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Jin, Mingji ; Chen, Ping ; Boolchand, P. ; Rajagopalan, T. ; Chopra, K. L. ; Starbova, K. ; Starbov, N. (2008) Origin of giant photocontraction in obliquely deposited amorphous Ge_xSe_1-x thin films and the intermediate phase Physical Review B: Condensed Matter and Materials Physics, 78 (21). 214201_1-214217_17. ISSN 1098-0121

Smestad, Greg P. ; Krebs, Frederik C. ; Lampert, Carl M. ; Granqvist, Claes G. ; Chopra, K. L. ; Mathew, Xavier ; Takakura, Hideyuki (2008) Reporting solar cell efficiencies in solar energy materials and solar cells Solar Energy Materials & Solar Cells, 92 (4). pp. 371-373. ISSN 0927-0248

Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Chopra, K. L. (2004) Synthesis and sintering characteristics of Y-Ba-Cu-oxide superconductors Materials Science and Engineering: B - Solid-State Materials for Advanced Technology, 110 (2). pp. 119-131. ISSN 0921-5107

Chopra, K. L. ; Paulson, P. D. ; Dutta, V. (2004) Thin-film solar cells: an overview Progress in Photovoltaics, 12 (2-3). pp. 69-92. ISSN 1062-7995

Pathak, L. C. ; Mishra, S. K. ; Das, S. K. ; Bhattacharya, D. ; Chopra, K. L. (2001) Effect of sintering atmosphere on the weak-link behaviour of YBCO superconductors Physica C: Superconductivity and its Applications, 351 (3). pp. 295-300. ISSN 0921-4534

Koner, P. K. ; Dutta, V. ; Chopra, K. L. (2000) A comparative life cycle energy cost analysis of photovoltaic and fuel generator for load shedding application Solar Energy Materials & Solar Cells, 60 (4). pp. 309-322. ISSN 0927-0248

Kar, A. K. ; Dhar, A. ; Ray, S. K. ; Mathur, B. K. ; Bhattacharya, D. ; Chopra, K. L. (1999) Scanning tunneling microscopy and spectroscopy of La_0.67Ca_0.33MnO₃ thin films grown on LaAlO₃(100) Materials Science and Engineering: B - Solid-State Materials for Advanced Technology, 68 (1). pp. 10-15. ISSN 0921-5107

Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Chopra, K. L. (1999) Degradation of BPSCCO superconductors during processing Journal of Materials Science, 34 (7). pp. 1619-1624. ISSN 0022-2461

Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Chopra, K. L. (1999) Sintering characteristics of Y-Ba-Cu-oxide-Ag_x superconductors Journal of Materials Research, 14 (11). pp. 4148-4156. ISSN 0884-2914

Kar, A. K. ; Dhar, A. ; Ray, S. K. ; Mathur, B. K. ; Bhattacharya, D. ; Chopra, K. L. (1998) Scanning tunnelling microscopic and spectroscopic investigation of the microstructural and electronic properties of the grain boundaries of giant magnetoresistive manganites Journal of Physics: Condensed Matter, 10 (48). p. 10795. ISSN 0953-8984

Kasiviswanathan, S. ; Srinivas, V. ; Kar, A. K. ; Mathur, B. K. ; Chopra, K. L. (1997) Scanning tunneling spectroscopy of indium tin oxide film in air Applied Surface Science, 115 (4). pp. 399-401. ISSN 0169-4332

Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Dhar, A. ; Chopra, K. L. (1997) Effect of laser annealing on Y-Ba-Cu-Oxide superconductors Materials Research Bulletin, 32 (5). pp. 619-625. ISSN 0025-5408

Kasiviswanathan, S. ; Srinivas, V. ; Kar, A. K. ; Mathur, B. K. ; Chopra, K. L. (1997) Observation of deviation of electronic behaviour of indium tin oxide film at grain boundary using Scanning Tunneling Microscope Solid State Communications, 101 (11). pp. 831-834. ISSN 0038-1098

Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Chopra, K. L. (1997) A comparative study of YBCO powders prepared by different processes Journal of Materials Science Letters, 16 (14). pp. 1208-1211. ISSN 0261-8028

Islam, Md. Nurul ; Ghosh, T. B. ; Chopra, K. L. ; Acharya, H. N. (1996) XPS and X-ray diffraction studies of aluminum-doped zinc oxide transparent conducting films Thin Solid Films, 280 (1-2). pp. 20-25. ISSN 0040-6090

Srinivas, V. ; Ayyar, S. R. ; Rao, M. V. H. ; Mathur, B. K. ; Chopra, K. L. (1996) Fractal analysis of field induced effects on thin films of nickel Materials Research Bulletin, 31 (2). pp. 197-205. ISSN 0025-5408

Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Chopra, K. L. (1996) Fabrication and characterization of Y-Ba-Cu-Oxide whisker Materials Research Bulletin, 31 (1). pp. 1-6. ISSN 0025-5408

Rao, M. V. H. ; Mathur, B. K. ; Chopra, K. L. (1996) Detection of surface lattice defects using line scan method Bulletin of Materials Science, 19 (2). pp. 417-422. ISSN 0250-4707

Asoka Kumar, P. S. ; Panda, B. ; Ray, S. K. ; Mathur, B. K. ; Bhattacharya, D. ; Chopra, K. L. (1996) Effect of electrode microstructure on leakage current in lead-lanthanum-zirconate-titanate multilayer capacitors Applied Physics Letters, 68 (10). pp. 1344-1346. ISSN 0003-6951

Panda, B. ; Ray, S. K. ; Dhar, A. ; Sarkar, A. ; Bhattacharya, D. ; Chopra, K. L. (1996) Electron beam deposited lead-lanthanum-zirconate-titanate thin films for silicon based device applications Journal of Applied Physics, 79 (2). pp. 1008-1012. ISSN 0021-8979

Pathak, L. C. ; Mishra, S. K. ; Bhattacharya, D. ; Chopra, K. L. (1996) Fabrication of YBa₂Cu₃0_x single crystal Journal of Materials Science Letters, 15 (1). pp. 34-35. ISSN 0261-8028

Sarkar, A. ; Ray, S. K. ; Dhar, A. ; Bhattacharya, D. ; Chopra, K. L. (1996) In situ grown superconducting YBCO films on buffered silicon substrates for device applications Journal of Superconductivity, 9 (2). pp. 217-222. ISSN 0896-1107

Mishra, S. K. ; Pathak, L. C. ; Rao, V. ; Bhattacharya, D. ; Chopra, K. L. (1996) Studies on microbridges of superconducting YBCO thin film Journal of Superconductivity, 9 (2). pp. 211-216. ISSN 0896-1107

Kasiviswanathan, S. ; Kumar, P. S. Asoka ; Mathur, B. K. ; Chopra, K. L. (1996) Surface structure of silver thin films on In₂O₃:Sn and Al₂O₃ Bulletin of Materials Science, 19 (2). pp. 411-416. ISSN 0250-4707

Rao, M. V. H. ; Srinivas, V. ; Rao, V. V. ; Mathur, B. K. ; Chopra, K. L. (1995) Observation of field-induced fragmentation of nickel clusters using scanning tunneling microscopy Applied Surface Science, 89 (4). pp. 417-421. ISSN 0169-4332

Ray, S. K. ; Mishra, S. K. ; Sarkar, A. ; Dhar, A. ; Bhattacharya, D. ; Chopra, K. L. (1995) Molecular beam epitaxial growth of high-T_c Bi-Sr-Ca-Cu-O films Journal of Superconductivity, 8 (3). pp. 377-381. ISSN 0896-1107

Chopra, K. L. (1995) My experiments with thin films: The nanostate of matter Bulletin of Materials Science, 18 (6). pp. 639-668. ISSN 0250-4707

Rao, M. V. H. ; Mathur, B. K. ; Chopra, K. L. (1995) Scanning tunnelling microscopy studies of nucleation and growth of silver films Journal of Materials Science, 30 (10). pp. 2682-2685. ISSN 0022-2461

Pathak, L. C. ; Mukunda, P. G. ; Godkhindi, M. M. ; Bhattacharya, D. ; Chopra, K. L. (1995) Sintering characteristics of pyrophorically generated Y-Ba-Cu-O superconductor powders under vacuum Journal of Materials Science Letters, 14 (21). pp. 1528-1530. ISSN 0261-8028

Chaudhary, Sujeet ; Gogia, Balvinder ; Singh, Kanwal Jeet ; Kashyap, S. C. ; Pandya, D. K. ; Chopra, K. L. (1994) Kosterlitz-Thouless transition and fluctuation effects in YBa₂Cu₃O_7-x thin films Physica C: Superconductivity and its Applications, 235-240 . pp. 2687-2688. ISSN 0921-4534

Acharya, P. K. ; Banerjee, H. D. ; Chopra, K. L. ; Saha, S. C. ; Ray, Swati (1994) Effect of hydrogen dilution in silane on light induced degradation of hydrogenated amorphous silicon films for solar photovoltaic applications Solar Energy Materials & Solar Cells, 32 (1). pp. 21-28. ISSN 0927-0248

Srinivas, V. ; Rao, M. V. H. ; Mathur, B. K. ; Chopra, K. L. (1994) Creation of nanostructures on nickel thin films by STM Bulletin of Materials Science, 17 (6). pp. 841-848. ISSN 0250-4707

Rao, M. V. H. ; Mathur, B. K. ; Chopra, K. L. (1994) Evaluation of the scaling exponent of self-affine fractal surface from a single scanning probe microscope image Applied Physics Letters, 65 (1). pp. 124-126. ISSN 0003-6951

Pathak, L. C. ; Mishra, S. K. ; Mukunda, P. G. ; Godkhindi, M. M. ; Bhattacharya, D. ; Chopra, K. L. (1994) Sintering studies on submicrometre-sized Y-Ba-Cu-oxide powder Journal of Materials Science, 29 (20). pp. 5455-5461. ISSN 0022-2461

Mishra, S. K. ; Sarkar, A. ; Ray, S. K. ; Bhattacharya, D. ; Chopra, K. L. ; Das, S. R. (1993) Langmuir probe diagnostics of a radio frequency magnetron discharge for deposition of high T_c YBCO films Journal of Vacuum Science and Technology A, 11 (5). pp. 2747-2751. ISSN 0734-2101

Rao, M. V. H. ; Mishra, S. K. ; Pathak, L. C. ; Mathur, B. K. ; Bhattacharya, D. ; Chopra, K. L. (1993) Interlocked grain growth of YBCO film on magnesium oxide as observed by scanning tunneling microscopy Materials Research Bulletin, 28 (3). pp. 271-277. ISSN 0025-5408

Islam, Md. N. ; Samantaray, B. K. ; Chopra, K. L. ; Acharya, H. N. (1993) Microstructural characterization of transparent conducting aluminium doped zinc oxide films prepared by spray pyrolysis Solar Energy Materials & Solar Cells, 29 (1). pp. 27-35. ISSN 0927-0248

Rao, M. V. H. ; Mathur, B. K. ; Chopra, K. L. (1992) Method of identification of electronically different surface atoms by scanning tunneling microscopy and surface state spectroscopy of the graphite(0001) surface Journal of Electron Spectroscopy and Related Phenomena, 60 (1). pp. 57-63. ISSN 0368-2048

Kumar, Sunil ; Kashyap, Subhash C. ; Chopra, K. L. (1992) Electrical transport in n-type bismuth modified a-Ge₂₀Se₈₀ and a-As₂Se₃ thin films Thin Solid Films, 217 (1-2). pp. 146-151. ISSN 0040-6090

Koner, P. K. ; Joshi, J. C. ; Chopra, K. L. (1992) Matching analysis of photovoltaic powered DC series motors and centrifugal pumps by varing motor constants International Journal of Energy Research, 16 (4). pp. 301-313. ISSN 0363-907X

Rastogi, R. S. ; Vankar, V. D. ; Chopra, K. L. (1992) The effect of oxygen impurity on growth of molybdenum disilicide and its distribution during rapid thermal annealing of co-sputtered MoSi_x thin films Thin Solid Films, 213 (1). pp. 45-54. ISSN 0040-6090

Gogia, B. ; Kashyap, S. C. ; Pandya, D. K. ; Chopra, K. L. (1992) Evolution of 2223 phase in the Bi₂Pb_0.6Sr₂Ca₂Cu_3.1O_y system Journal of Materials Science, 27 (5). pp. 1317-1321. ISSN 0022-2461

Mishra, S. K. ; Pathak, L. C. ; Ray, S. K. ; Kal, S. ; Bhattacharya, D. ; Lahiri, S. K. ; Chopra, K. L. (1992) Lithographic patterning of superconducting YBCO films Journal of Superconductivity, 5 (5). pp. 445-449. ISSN 0896-1107

Kumar, Sunil ; Kashyap, Subhash C. ; Chopra, K. L. (1992) X-ray photoelectron spectroscopy studies of n-type bismuth-modified amorphous thin films of Ge₂₀Se₈₀ and As₂Se₃ Journal of Applied Physics, 72 (5). pp. 2066-2068. ISSN 0021-8979

Rastogi, R. S. ; Vankar, V. D. ; Chopra, K. L. (1991) Interaction of Mo/Ni and Mo/Co bilayer structures with silicon Thin Solid Films, 206 (1-2). pp. 34-39. ISSN 0040-6090

Gogia, Balvinder ; Kashyap, S. C. ; Pandya, D. K. ; Chopra, K. L. (1991) Effect of humid atmosphere on the stability of superconducting phases of BSCCO system Physica C: Superconductivity and its Applications, 185-189 . pp. 521-522. ISSN 0921-4534

Richharia, Purnima ; Chopra, K. L. ; Bhatnagar, M. C. (1991) Surface analysis of a black copper selective coating Solar Energy Materials, 23 (1). pp. 93-109. ISSN 0165-1633

Dey, T. K. ; Barik, H. K. ; Chopra, K. L. (1991) Effect of antimony addition on the temperature dependence of thermal conductivity of (Bi_0.8Pb_0.2-ySb_y)₂Sr₂Ca₂Cu₃O_x superconductors Solid State Communications, 80 (3). pp. 185-190. ISSN 0038-1098

Sen, D. ; Ghatak, S. K. ; Chopra, K. L. ; Markendeyaulu, G. ; Bhattacharya, D. (1991) Electromagnetic response of superconducting YBaCuO-Ag composite in the r.f. region Solid State Communications, 79 (11). pp. 935-938. ISSN 0038-1098

Sen, D. ; Bhattacharya, D. ; Ghatak, S. K. ; Chopra, K. L. (1991) Magnetic and microstructural properties of YBa₂Cu₃O_7-x - Ag composite Bulletin of Materials Science, 14 (4). pp. 927-930. ISSN 0250-4707

Koner, P. K. ; Joshi, J. C. ; Chopra, K. L. (1991) Quantitative field performance analysis of a photovoltaic array International Journal of Energy Research, 15 (6). pp. 473-482. ISSN 0363-907X

Roul, B. K. ; Pradhan, A. K. ; Rao, V. V. ; Bhattacharya, P. ; Pramanic, P. ; Kalvey, V. R. ; Bose, D. N. ; Chopra, K. L. (1991) Effect of laser irradiation on the superconducting properties of high-T_c SmBa₂Cu₃O_x Bulletin of Materials Science, 14 (03). pp. 713-718. ISSN 0250-4707

Rastogi, R. S. ; Vankar, V. D. ; Chopra, K. L. (1991) Silicide formation by solid state reaction of Mo-Ni and Mo-Co films with Si(100) Thin Solid Films, 199 (1). pp. 107-112. ISSN 0040-6090

Agrawal, Neeta ; Tarey, R. D. ; Chopra, K. L. (1991) Etching of crystalline and amorphous silicon in CClF₃ plasma Thin Solid Films, 198 (1-2). pp. 393-399. ISSN 0040-6090

Sen, D. ; Ghatak, S. K. ; Chopra, K. L. ; Bhattacharya, D. (1991) Critical current density and magnetic behaviour of superconducting YBa₂Cu_3+yO_7-delta : Ag_x composite Journal of Physics: Condensed Matter, 3 (9). p. 1181. ISSN 0953-8984

Koner, P. K. ; Joshi, J. C. ; Mukerjee, A. K. ; Chopra, K. L. (1991) Analysis of optimum matching of a DC series motor driven centrifugal pump to a photovoltaic generator Renewable Energy, 1 (5-6). pp. 683-693. ISSN 0960-1481

Misra, Vinita ; Rao, V. V. ; Chopra, K. L. (1991) Annealing effects on transition temperature of r.f. sputtered Bi-Sr-Ca-Cu-O thin films Microelectronics Reliability, 31 (6). pp. 1279-1281. ISSN 0026-2714

Sunil, D. ; Vankar, V. D. ; Chopra, K. L. (1991) Infrared and ellipsometric studies of amorphous hydrogenated carbon films Journal of Applied Physics, 69 (6). pp. 3719-3722. ISSN 0021-8979

Richharia, Purnima ; Chopra, K. L. (1991) Optical modelling of a black copper selective surface Japanese Journal of Applied Physics, 30 . pp. 3425-3431. ISSN 0021-4922

Gogia, Balvinder ; Kashyap, Subhash C. ; Pandya, D. K. ; Chopra, K. L. (1991) Preparation and degradation behaviour of Bi-cuprate superconductors Bulletin of Materials Science, 14 (2). pp. 217-222. ISSN 0250-4707

Shrivastava, Sadhna ; Tarey, Ram D. ; Bhatnagar, M. C. ; Jain, Amitabh ; Cohpra, K. L. (1991) The influence of target temperature on the structure and properties of nitrogen-ion-implanted stainless steel Surface and Coatings Technology, 50 (1). pp. 41-44. ISSN 0257-8972

Bhattacharya, D. ; Pandya, D. K. ; Kashyap, S. C. ; Pathak, L. C. ; Mishra, S. ; Sen, D. ; Chopra, K. L. (1990) Lattice and electronic structure of YBa₂Cu₂PbO_x superconductor Physica C: Superconductivity, 170 (3-4). pp. 245-248. ISSN 0921-4534

Dey, T. K. ; Radha, K. ; Barik, H. K. ; Bhattacharya, D. ; Chopra, K. L. (1990) Excess electrical conductivity and thermoelectric power of (YBa₂Cu_3.05O_x)Ag_n pellets Solid State Communications, 74 (12). pp. 1315-1320. ISSN 0038-1098

Gogia, Balvinder ; Kashyap, Subhash C. ; Pandya, D. K. ; Chopra, K. L. (1990) Stability of high T_c phase in Bi₂Pb_xSr₂Ca₂Cu_3.1O_y superconductor Solid State Communications, 73 (8). pp. 573-576. ISSN 0038-1098

Sunil, D. ; Vankar, V. D. ; Chopra, K. L. (1990) Infrared studies of amorphous carbon films formed by plasma decomposition of acetylene Journal of Materials Engineering, 12 (2). pp. 121-126. ISSN 0931-7058

Rastogi, R. S. ; Vankar, V. D. ; Chopra, K. L. (1990) Interaction of amorphous MoNi_x alloys with silicon Journal of Applied Physics, 67 (4). pp. 1868-1873. ISSN 0021-8979

Bhattacharya, D. ; Pathak, L. C. ; Mishra, S. K. ; Sen, D. ; Chopra, K. L. (1990) Pyrophoric synthesis technique for multicomponent high-temperature superconductors Applied Physics Letters, 57 (20). pp. 2145-2147. ISSN 0003-6951

Rastogi, R. S. ; Vankar, V. D. ; Chopra, K. L. (1990) Solid phase reaction of molybdenum-nickel alloy thin films with silicon Journal of Applied Physics, 67 (10). pp. 6269-6273. ISSN 0021-8979

Kumar, Sunil ; Mehta, B. R. ; Kashyap, Subhash C. ; Chopra, K. L. (1989) Transport mechanism in a thin film metal-amorphous chalcogenide Schottky barrier Thin Solid Films, 182 (1-2). L5-L8. ISSN 0040-6090

Richharia, Purnima ; Chopra, K. L. (1989) Stability investigations of a chemically converted textured black copper selective surface Solar Energy Materials & Solar Cells, 19 (6). pp. 365-382. ISSN 0165-1633

Dey, T. K. ; Ghatak, S. K. ; Srinivasan, S. ; Bhattacharya, D. ; Chopra, K. L. (1989) Thermoelectric power of undoped and doped Y-Ba-Cu-O superconductor between 77 and 300K Solid State Communications, 72 (6). pp. 525-528. ISSN 0038-1098

Roul, B. K. ; Pramanik, P. ; Chopra, K. L. (1989) Structure of high-T_c superconducting Bi-Sr-Ca-Cu-O films prepared by spray pyrolysis Physica C: Superconductivity and its Applications, 160 (5-6). pp. 439-442. ISSN 0921-4534

Shrivastava, Sadhna ; Tarey, Ram D. ; Jain, Amitabh ; Chopra, K. L. (1989) Annealing behaviour of nitrogen-ion-implanted 304 stainless steel Materials Science and Engineering: A - Structural Materials - Properties, Microstructure and Processing, 115 . pp. 253-256. ISSN 0921-5093

Agrawal, Neeta ; Tarey, R. D. ; Chopra, K. L. (1989) Effect of hydrogen plasma treatment on CF₄ plasma etching characteristics of single-crystal, polycrystalline, and amorphous silicon Journal of Vacuum Science and Technology A, 7 (4). pp. 2701-2704. ISSN 0734-2101

Agarwal, V. ; Vankar, V. D. ; Chopra, K. L. (1989) Reactive-magnetron-sputtered chromium carbide films Thin Solid Films, 169 (2). pp. 281-288. ISSN 0040-6090

Kumar, Ajay ; Malhotra, L. K. ; Chopra, K. L. (1989) A study of photostructural changes in amorphous P-Se thin films using IR and X-ray photoelectron spectroscopy Journal of Non Crystalline Solids, 107 (2-3). pp. 212-218. ISSN 0022-3093

Kumar, Ajay ; Malhotra, L. K. ; Chopra, K. L. (1989) Infrared and X-ray photoelectron spectroscopic study of photostructural changes in amorphous P-Ge-Se thin films Journal of Applied Physics, 65 (4). pp. 1671-1675. ISSN 0021-8979

Pramanik, P. ; Biswas, S. ; Singh, C. ; Bhattacharya, D. ; Dey, T. K. ; Sen, D. ; Ghatak, S. K. ; Chopra, K. L. (1988) Coprecipitation method for preparation of superconducting YBa₂Cu₃O_x compounds Materials Research Bulletin, 23 (12). pp. 1693-1698. ISSN 0025-5408

Dey, T. K. ; Bhattacharya, D. ; Ghatak, S. K. ; Pramanik, P. ; Chopra, K. L. (1988) Critical current density of YBa₂Cu₃O_7-x sintered pellets under transverse magnetic field Solid State Communications, 68 (7). pp. 635-637. ISSN 0038-1098

Mehta, B. R. ; Kumar, Satyendra ; Singh, Kanwaljeet ; Chopra, K. L. (1988) Application of spectroscopic ellipsometry to study the effect of surface treatments on cadmium telluride films Thin Solid Films, 164 . pp. 265-268. ISSN 0040-6090

Rastogi, R. S. ; Vankar, V. D. ; Chopra, K. L. (1988) Molybdenum disilicide formation by ion beam mixing and rapid thermal annealing of Mo/Si(111) Thin Solid Films, 164 . pp. 449-454. ISSN 0040-6090

Acharya, P. K. ; Malhotra, L. K. ; Chopra, K. L. (1988) R. F. power dependence of the Staebler-Wronski effect Thin Solid Films, 164 . pp. 233-237. ISSN 0040-6090

Bhattacharya, D. ; Maiti, C. K. ; Pramanik, P. ; Dey, T. K. ; Ghatak, S. K. ; Chopra, K. L. ; Kashyap, S. C. ; Pandya, D. K. ; Gogoi, B. (1988) Structural and electrical properties of screen-printed thick films of YBa₂Cu₃O_7-x superconductors Thin Solid Films, 164 . pp. 115-118. ISSN 0040-6090

Kumar, Satyendra ; Pandya, D. K. ; Chopra, K. L. (1988) Study of microstructure of amorphous Ge-Se films using spectroscopic ellipsometry Thin Solid Films, 164 . pp. 51-56. ISSN 0040-6090

Rastogi, R. S. ; Vankar, V. D. ; Bhatanagar, M. C. ; Chopra, K. L. (1988) Electron energy-loss spectroscopy of molybdenum disilicide Journal of Vacuum Science and Technology A, 6 (5). 2957 - 2959 . ISSN 0734-2101

Shrivastava, S. ; Tarey, Ram D. ; Jain, Amitabh ; Chopra, K. L. (1988) Surface modification in nitrogen-ion-implanted stainless steel Thin Solid Films, 163 . pp. 359-363. ISSN 0040-6090

Major, S. ; Bhatnagar, M. C. ; Kumar, S. ; Chopra, K. L. (1988) The effect of hydrogen plasma on the properties of indium-tin oxide films Journal of Materials Research, 3 (4). pp. 723-728. ISSN 0884-2914

Major, S. ; Chopra, K. L. (1988) Indium-doped zinc oxide films as transparent electrodes for solar cells Solar Energy Materials, 17 (5). pp. 319-327. ISSN 0165-1633

Srivastava, P. K. ; Vankar, V. D. ; Chopra, K. L. (1988) Mechanical properties of R.F. magnetron sputtered W-C films on stainless steel Thin Solid Films, 161 . pp. 107-116. ISSN 0040-6090

Kumar, Ajay ; Malhotra, L. K. ; Chopra, K. L. (1988) Photon and electron beam induced chemical solubility changes in amorphous P-Ge-Se thin films Journal of Vacuum Science and Technology A, 6 (4). pp. 2431-2433. ISSN 0734-2101

Agarwal, Vandna ; Vankar, V. D. ; Chopra, K. L. (1988) Synthesis and structure of chromium nitride films by evaporation in an ammonia plasma Journal of Vacuum Science and Technology A, 6 (4). pp. 2361-2365. ISSN 0734-2101

Major, S. ; Bhatnagar, M. C. ; Kumar, S. ; Chopra, K. L. (1988) The degradation of fluorine doped tin oxide films in a hydrogen plasma Journal of Vacuum Science and Technology A, 6 (4). 2415 - 2420. ISSN 0734-2101

Bhattacharya, D. ; Ghatak, S. K. ; Dey, T. K. ; Pramanik, P. ; Chopra, K. L. ; Bhatnagar, M. ; Pandya, D. K. (1988) Superconductivity in sulphur doped Y-Ba-Cu-O system Solid State Communications, 66 (9). pp. 961-963. ISSN 0038-1098

Kumar, Sunil ; Kashyap, Subhash C. ; Chopra, K. L. (1988) Structure and transport properties of amorphous Ge_1-xC_x:H thin films obtained by activated reactive evaporation Journal of Non Crystalline Solids, 101 (2-3). pp. 287-290. ISSN 0022-3093

Kumar, Ajay ; Malhotra, L. K. ; Chopra, K. L. (1988) On the intrinsic nature of photocontraction effect in Ge-Se films Solid State Communications, 66 (3). pp. 257-259. ISSN 0038-1098

Gupta, P. K. ; Chopra, K. L. (1988) Amorphous silicon as a resist material Electron Device Letters, IEEE, 9 (1). pp. 17-19. ISSN 0741-3106

Kumar, Sunil ; Mehta, B. R. ; Kashyap, Subhash C. ; Chopra, K. L. (1988) Amorphous chalcogenide thin-film Schottky barrier (Bi/As₂Se₃:Bi) solar cell Applied Physics Letters, 52 (1). pp. 24-26. ISSN 0003-6951

Chander, Mukesh ; Chopra, K. L. ; Joshi, J. C. ; Mukerjee, A. K. (1988) Comparative study of different orientations of photovoltaic system Solar & Wind Technology, 5 (3). pp. 329-334. ISSN 0741-983X

Acharya, P. K. ; Malhotra, L. K. ; Chopra, K. L. (1988) Light-induced degradation of hydrogenated amorphous silicon films deposited at different rf powers Journal of Applied Physics, 64 (11). pp. 6452-6455. ISSN 0021-8979

Gupta, P. K. ; Chopra, K. L. (1988) Plasma- processed obliquely deposited Bi-Ge-Se and Ag/Bi-Ge-Se films as resist materials Applied Physics A: Materials Science & Processing, 46 (2). pp. 103-106. ISSN 0947-8396

Agarwal, Vandna ; Vankar, V. D. ; Chopra, K. L. (1988) Structure of chromium thin films prepared by plasma deposition Journal of Vacuum Science and Technology A, 6 (4). pp. 2341-2343. ISSN 0734-2101

Kumar, Sunil ; Kashyap, Subhash C. ; Chopra, K. L. (1988) n-Type conduction in a-Ge₂₀Bi₄Se₇₆ thin films Philosophical Magazine Letters, 58 (6). pp. 299-304. ISSN 0950-0839

Kumar, Satyendra ; Pandya, D. K. ; Chopra, K. L. (1988) A spectroscopic ellipsometry study of the growth and microstructure of glow-discharge amorphous and microcrystalline silicon films Journal of Applied Physics, 63 (5). pp. 1497-1503. ISSN 0021-8979

Tiwari, A. N. ; Pandya, D. K. ; Chopra, K. L. (1987) Fabrication and analysis of all-sprayed CuInS₂/ZnO solar cells Solar Cells, 22 (4). pp. 263-273. ISSN 0379-6787

Lin, P. ; Deshpandey, C. ; Doerr, H. J. ; Bunshah, R. F. ; Chopra, K. L. ; Vankar, V. (1987) Preparation and properties of cubic boron nitride coatings Thin Solid Films, 153 (1-3). pp. 487-496. ISSN 0040-6090

Reddy, G. B. ; Pandya, D. K. ; Chopra, K. L. (1987) Solution grown (PbS)_1-x-(CdS)_x composite selective surfaces Solar Energy Materials, 15 (5). pp. 383-390. ISSN 0165-1633

Kumar, Ajay ; Malhotra, K. L. ; Chopra, K. L. (1987) Photoinduced changes in amorphous P-Se thin films Journal of Non Crystalline Solids, 92 (1). pp. 51-60. ISSN 0022-3093

Kumar, Ajay ; Malhotra, L. K. ; Chopra, K. L. (1987) Negative resist behavior of obliquely deposited Ge-Sb-Se thin films Journal of Vacuum Science and Technology A, 5 (3). pp. 354-357. ISSN 0734-2101

Rastogi, R. S. ; Vankar, V. D. ; Chopra, K. L. (1987) Simple planar magnetron sputtering source Review of Scientific Instruments, 58 (8). pp. 1505-1506. ISSN 0034-6748

Reddy, G. B. ; Pandya, D. K. ; Chopra, K. L. (1987) Chemically deposited PbS-antireflection layer selective absorbers Solar Energy Materials, 15 (3). pp. 153-162. ISSN 0165-1633

Uma, C. S. ; Malhotra, L. K. ; Chopra, K. L. (1987) Spectrally selective surfaces on stainless steel produced by chemical conversion Thin Solid Films, 147 (3). pp. 243-249. ISSN 0040-6090

Tiwari, A. N. ; Pandya, D. K. ; Chopra, K. L. (1987) Analysis of the photovoltaic properties of sprayed CuInS₂/SnO_x: F solar cells Solar Energy Materials, 15 (2). pp. 121-133. ISSN 0165-1633

Verma, A. ; Chopra, K. L. (1987) Icosahedral Al-Mn films produced by vapour deposition Philosophical Magazine Letters, 55 (5). pp. 201-207. ISSN 0950-0839

Gupta, P. K. ; Chopra, K. L. (1987) Lithographic properties of amorphous WO₃ films exposed to photons, electrons, and hydrogen plasma Journal of Applied Physics, 62 (10). pp. 4273-4276. ISSN 0021-8979

Gupta, P. K. ; Chopra, K. L. (1987) Plasma-processed Ag/P₄Se₁₀ (80° deposited) films as a negative resist Journal of Applied Physics, 62 (10). pp. 4303-4305. ISSN 0021-8979

Gupta, P. K. ; Chopra, K. L. (1987) Thin films of amorphous MoO₃ as a negative resist Applied Physics Letters, 51 (19). pp. 1527-1529. ISSN 0003-6951

Shrivastava, Sadhna ; Jain, Amitabh ; Sethuramiah, A. ; Vankar, V. D. ; Chopra, K. L. (1987) Wear behaviour of nitrogen implanted stainless steel Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions With Materials and Atoms, 21 (1-4). pp. 591-594. ISSN 0168-583X

Srivastava, P. K. ; Vankar, V. D. ; Chopra, K. L. (1986) Very hard W-C coatings on stainless steel by RF reactive magnetron sputtering Journal of Vacuum Science and Technology A, 4 (6). pp. 2819-2826. ISSN 0734-2101

Major, S. ; Banerjee, A. ; Chopra, K. L. ; Nagpal, K. C. (1986) Thickness-dependent properties of indium-doped ZnO films Thin Solid Films, 143 (1). pp. 19-30. ISSN 0040-6090

Kumar, Sunil ; Kashyap, Subhash C. ; Chopra, K. L. (1986) Electron transport properties of n-type bismuth modified a-Ge₂₀Se₇₀ films Journal of Non-Crystalline Solids, 85 (1-2). pp. 100-104. ISSN 0022-3093

Kumar, Satyendra ; Tiwari, A. N. ; Sastry, O. S. ; Pandya, D. K. ; Chopra, K. L. (1986) a-Si:H/CuInS₂ heterojunctions for photovoltaic conversion Bulletin of Materials Science, 8 (3). pp. 285-289. ISSN 0250-4707

Uma, C. S. ; Malhotra, L. K. ; Chopra, K. L. (1986) Cobalt oxide-iron oxide selective coatings for high temperature applications Bulletin of Materials Science, 8 (3). pp. 385-389. ISSN 0250-4707

Major, S. ; Kumar, Satyendra ; Bhatnagar, M. ; Chopra, K. L. (1986) Effect of hydrogen plasma treatment on transparent conducting oxides Applied Physics Letters, 49 (7). pp. 394-396. ISSN 0003-6951

Major, S. ; Banerjee, A. ; Chopra, K. L. (1986) Electrical and optical transport in undoped and indium-doped zinc oxide films Journal of Materials Research, 1 (2). pp. 300-310. ISSN 0884-2914

Pachori, R. D. ; Banerjee, A. ; Chopra, K. L. (1986) Flash-evaporated thin films of CuInSe₂ Bulletin of Materials Science, 8 (3). pp. 291-296. ISSN 0250-4707

Chopra, K. L. ; Reddy, G. B. (1986) Optically selective coatings Pramana - Journal of Physics, 27 (1-2). pp. 193-217. ISSN 0304-4289

Srivastava, P. K. ; Vankar, V. D. ; Chopra, K. L. (1986) R. F. magnetron sputtered tungsten carbide thin films Bulletin of Materials Science, 8 (3). pp. 379-384. ISSN 0250-4707

Srivastava, P. K. ; Vankar, V. D. ; Chopra, K. L. (1985) High rate reactive magnetron sputtered tungsten carbide films Journal of Vacuum Science and Technology A, 3 (6). pp. 2129-2101. ISSN 0734-2101

Gupta, P. K. ; Kumar, Ajay ; Malhotra, L. K. ; Chopra, K. L. (1985) Plasma-processed positive and negative resist behavior of obliquely deposited amorphous P-Se films Journal of Vacuum Science and Technology B, 3 (6). 1590-1593 . ISSN 1071-1023

Pandya, D. K. ; Tiwari, A. N. ; Chopra, K. L. (1985) Electrical and optical properties of single-phase CuInS₂ films prepared using spray pyrolysis Thin Solid Films, 130 (3-4). pp. 217-230. ISSN 0040-6090

Sastry, O. S. ; Mukerjee, A. K. ; Chopra, K. L. (1985) Spectral response inhomogeneities in large-area solar cells Solid State Electronics, 28 (6). pp. 579-585. ISSN 0038-1101

Chopra, K. L. ; Agarwal, Vandna ; Vankar, V. D. ; Deshpandey, C. V. ; Bunshah, R. F. (1985) Synthesis of cubic boron nitride films by activated reactive evaporation of H₃BO₃ Thin Solid Films, 126 (3-4). pp. 307-312. ISSN 0040-6090

Major, S. ; Banerjee, A. ; Chopra, K. L. (1985) Optical and electronic properties of zinc oxide films prepared by spray pyrolysis Thin Solid Films, 125 (1-2). pp. 179-185. ISSN 0040-6090

Malhotra, L. K. ; Kumar, Ajay ; Chopra, K. L. (1985) Photodensification in amorphous P-Se thin films Thin Solid Films, 124 (3-4). pp. 309-315. ISSN 0040-6090

Sastry, O. S. ; Dutta, V. ; Mukerjee, A. K. ; Chopra, K. L. (1985) Defect analysis in polycrystalline silicon solar cells Journal of Applied Physics, 57 (12). pp. 5506-5511. ISSN 0021-8979

Major, S. ; Banerjee, A. ; Chopra, K. L. (1984) Annealing studies of undoped and indium-doped films of zinc oxide Thin Solid Films, 122 (1). pp. 31-43. ISSN 0040-6090

Rao, T. V. ; Dutta, V. ; Sastry, O. S. ; Chopra, K. L. (1984) Electron beam induced current technique using a scanning Auger microprobe Review of Scientific Instruments, 55 (7). pp. 1129-1131. ISSN 0034-6748

Malhotra, L. K. ; Harshavardhan, K. S. ; Chopra, K. L. (1984) Photoinduced changes in optical properties of obliquely deposited As₂S₃, As₂Se₃ and As-Se-Ge films Materials Chemistry and Physics, 11 (1). pp. 15-27. ISSN 0254-0584

Srivastava, P. K. ; Rao, T. V. ; Vankar, V. D. ; Chopra, K. L. (1984) Synthesis of tungsten carbide films by RF magnetron sputtering Journal of Vacuum Science and Technology A, 2 (3). pp. 1261-1265. ISSN 0734-2101

Khanna, V. ; Sastry, O. S. ; Mukerjee, A. K. ; Chopra, K. L. (1984) Automatic laser scanner for solar cells Review of Scientific Instruments, 55 (10). pp. 1580-1584. ISSN 0034-6748

Singh, Jagriti ; Budhani, R. C. ; Chopra, K. L. (1984) Electrical and optical properties of amorphous hydrogenated silicon prepared by reactive ion beam sputtering Journal of Applied Physics, 56 (4). pp. 1097-1103. ISSN 0021-8979

Chopra, K. L. ; Malhotra, L. K. ; Harshavardhan, K. Solomon ; Rajagopalan, S. (1984) Photon, electron and ion beam induced physical and optical densification in chalcogenide films Bulletin of Materials Science, 6 (6). pp. 1013-1018. ISSN 0250-4707

Major, S. ; Banerjee, A. ; Chopra, K. L. (1983) Highly transparent and conducting indium-doped zinc oxide films by spray pyrolysis Thin Solid Films, 108 (3). pp. 333-340. ISSN 0040-6090

Chopra, K. L. ; Kashyap, S. C. ; Rao, T. V. ; Rajagopalan, S. ; Srivastava, P. K. (1983) Surface metallurgy of cemented carbide tools Wear, 87 (1). pp. 1-8. ISSN 0043-1648

Chopra, K. L. ; Major, S. ; Pandya, D. K. (1983) Transparent conductors- a status review Thin Solid Films, 102 (1). pp. 1-46. ISSN 0040-6090

Budhani, R. C. ; Banerjee, A. ; Goel, T. C. ; Chopra, K. L. (1983) XPS study of glassy Pd₈₀Ge₂₀ Journal of Non Crystalline Solids, 55 (1). pp. 93-102. ISSN 0022-3093

Kumar, S.N. ; Malhotra, L. K. ; Chopra, K. L. (1983) Nickel pigmented anodized aluminium as solar selective absorbers Solar Energy Materials, 7 (4). pp. 439-452. ISSN 0165-1633

Budhani, R. C. ; Goel, T. C. ; Chopra, K. L. (1983) Electron transport properties of glassy and crystalline Pd-Ge ribbons Journal of Physics F: Metal Physics, 13 (1). pp. 129-138. ISSN 0305-4608

Dutta, V. ; Sastry, O. S. ; Chopra, K. L. (1983) Microcomputer controlled optical scanner for solar cell diagnostics Proceedings of SPIE . pp. 86-91. ISSN 0277-786X

Solomon Harshavardhan, K. ; Rajagopalan, S. ; Malhotra, L. K. ; Chopra, K. L. (1983) Photoinduced changes in the Urbach tail in Ge- and As-based chalcogenide glasses Journal of Applied Physics, 54 (2). pp. 1048-1052. ISSN 0021-8979

Budhani, R. C. ; Goel, T. G. ; Chopra, K. L. (1983) Transformation behaviour of the metastable phases in rapidly solidified Pd-Ge alloys Journal of Materials Science, 18 (2). pp. 571-581. ISSN 0022-2461

Chopra, K. L. ; Bhushan, Bharat ; Kashyap, S. C. (1983) Voltage contrast imaging of barriers in ceramic semiconductors Journal of Applied Physics, 54 (3). pp. 1610-1612. ISSN 0021-8979

Goel, T. C. ; Chopra, K. L. ; Budhani, R. C. (1982) Melt-spinning technique for preparation of metallic glasses Bulletin of Materials Science, 4 (5). pp. 549-561. ISSN 0250-4707

Chopra, K. L. ; Dutta, V. (1982) Electronic and optical properties of polycrystalline semiconducting films Journal de Physique. Colloques, 43 (C1). C1-141-C1-152. ISSN 0449-1947

Panwar, O. S. ; Chopra, K. L. (1982) Photocontraction effect in pure chalcogen and alloy films Journal of Non Crystalline Solids, 51 (1). pp. 123-127. ISSN 0022-3093

Saksena, S. ; Pandya, D. K. ; Chopra, K. L. (1982) Electroconversion of CdS to Cu_xS for thin film solar cells Thin Solid Films, 94 (3). pp. 223-232. ISSN 0040-6090

Rajagopalan, S. ; Harshavardhan, K. S. ; Malhotra, L. K. ; Chopra, K. L. (1982) Photo-optical changes in Ge-chalcogenide films Journal of Non-Crystalline Solids, 50 (1). pp. 29-38. ISSN 0022-3093

Rajagopalan, S. ; Solomon Harshavardhan, K. ; Malhotra, L. K. ; Chopra, K. L. (1982) Photoinduced changes in the Urbach tail in obliquely deposited amorphous Se(S)_1-xGe_x and As-Se(S)-Ge films Thin Solid Films, 90 (2). p. 170. ISSN 0040-6090

Budhani, R. C. ; Ragagopalan, S. ; Banerjee, A. ; Goel, T. C. ; Chopra, K. L. (1982) Electronic states in amorphous and crystalline Pd-Ge alloys Thin Solid Films, 89 (1). p. 73. ISSN 0040-6090

Shanthi, E. ; Banerjee, A. ; Chopra, K. L. (1982) Dopant effects in sprayed tin oxide films Thin Solid Films, 88 (2). pp. 93-100. ISSN 0040-6090

Chidambaram, K. ; Malhotra, L. K. ; Chopra, K. L. (1982) Spray-pyrolysed cobalt black as a high temperature selective absorber Thin Solid Films, 87 (4). pp. 365-371. ISSN 0040-6090

Kainthla, R. C. ; Pandya, D. K. ; Chopra, K. L. (1982) Photo-electronic properties of solution-grown CdSe films Solid State Electronics, 25 (1). pp. 73-76. ISSN 0038-1101

Purshotham, M. ; Das, S. R. ; Mukerjee, A. K. ; Chopra, K. L. (1982) Automatic capacitance-voltage (C-V) plotter for solar cells Review of Scientific Instruments, 53 (11). pp. 1749-1753. ISSN 0034-6748

Shanthi, E. ; Banerjee, A. ; Dutta, V. ; Chopra, K. L. (1982) Electrical and optical properties of tin oxide films doped with F and (Sb+F) Journal of Applied Physics, 53 (3). pp. 1615-1621. ISSN 0021-8979

Chopra, K. L. ; Solomon Harshavardhan, K. ; Rajagopalan, S. ; Malhotra, L. K. (1982) Ion-induced physical and optical densification in obliquely deposited Se_0.75Ge_0.25 films Applied Physics Letters, 40 (5). pp. 428-430. ISSN 0003-6951

Kainthla, R. C. ; Pandya, D. K. ; Chopra, K. L. (1982) Structural and optical properties of solution grown CdSe_1-xS_x films The Electrochemical Society, 129 (1). pp. 99-102. ISSN 0013-4651

Harshvardhan, K. Solomon ; Rajagopalan, S. ; Malhotra, L. K. ; Chopra, K. L. (1981) On the origin of photocontraction effect in amorphous chalcogenide films Solid State Communications, 40 (4). pp. 387-390. ISSN 0038-1098

Rajagopalan, S. ; Solomon Harshavardhan, K. ; Singh, Bhanwar ; Chopra, K. L. (1981) Photo and electrochemical doping in Ge based chalcogenides Journal de Physique. Colloques, 42 (C4). C4_911-C4_914. ISSN 0449-1947

Thakoor, A. P. ; Raj, Bodh ; Pandya, D. K. ; Chopra, K. L. (1981) Metal chalcogenide-oxide composite coatings prepared by spray pyrolysis Thin Solid Films, 83 (2). pp. 231-237. ISSN 0040-6090

Reddy, G. B. ; Dutta, V. ; Pandya, D. K. ; Chopra, K. L. (1981) Solution grown PbS/CdS multilayer stacks as selective absorbers Solar Energy Materials, 5 (2). pp. 187-197. ISSN 0165-1633

Akhtar, D. ; Vankar, V. D. ; Goel, T. C. ; Chopra, K. L. (1981) Kinetics of transformation of metastable Pb-Ge solid solution Scripta Metallurgica, 15 (4). pp. 437-440. ISSN 0036-9748

Bhushan, Bharat ; Kashyap, Subhash C. ; Chopra, K. L. (1981) Electrical and dielectric behavior of a zinc oxide composite Journal of Applied Physics, 52 (4). pp. 2932-2936. ISSN 0021-8979

Singh, Bhanwar ; Chopra, K. L. (1981) Electrochemical adsorption of metals on amorphous Se-Ge films Journal of Applied Physics, 52 (1). pp. 428-433. ISSN 0021-8979

Randhawa, H. S. ; Malhotra, L. K. ; Chopra, K. L. (1981) Magnetic ordering in amorphous and crystallized Fe_x-Ge_1-x films Journal of Applied Physics, 52 (3). pp. 1600-1602. ISSN 0021-8979

Bhushan, Bharat ; Kashyap, Subhash C. ; Chopra, K. L. (1981) Novel nonohmic binary composite Applied Physics Letters, 38 (3). pp. 160-161. ISSN 0003-6951

Rajeshwar, K. ; Thompson, L. ; Singh, P. ; Kainthla, R. C. ; Chopra, K. L. (1981) Photoelectrochemical characterization of CdSe thin film anodes Journal of the Electrochemical Society, 128 (8). pp. 1744-1750. ISSN 0013-4651

Malhotra, L. K. ; Chidambaram, K. ; Chopra, K. L. (1981) Short communication partly selective black paint coatings International Journal of Energy Research, 5 (4). pp. 393-396. ISSN 0363-907X

Kumar, S. N. ; Malhotra, L. K. ; Chopra, K. L. (1980) Low cost electroless nickel black coatings for photothermal conversion Solar Energy Materials, 3 (4). pp. 519-532. ISSN 0165-1633

Shanthi, E. ; Banerjee, A. ; Dutta, V. ; Chopra, K. L. (1980) Annealing characteristics of tin oxide films prepared by spray pyrolysis Thin Solid Films, 71 (2). pp. 237-244. ISSN 0040-6090

Sharma, N. C. ; Chopra, K. L. (1980) Electronic properties of Pb_1-xHg_xS-Si heterojunctions Solid State Electronics, 23 (8). pp. 869-873. ISSN 0038-1101

Kaur, Inderjeet ; Pandya, D. K. ; Chopra, K. L. (1980) Growth kinetics and polymorphism of chemically deposited CdS films Journal of the Electrochemical Society, 127 (4). pp. 943-948. ISSN 0013-4651

Singh, Bhanwar ; Rajagopalan, S. ; Bhat, P. K. ; Pandya, D. K. ; Chopra, K. L. (1980) Giant photocontraction effect in amorphous chalogenide thin films Journal of Non Crystalline Solids, 35-36 . pp. 1053-1059. ISSN 0022-3093

Kainthla, R. C. ; Pandya, D. K. ; Chopra, K. L. (1980) Solution growth of CdSe and PbSe films Journal of the Electrochemical Society, 127 (2). pp. 277-283. ISSN 0013-4651

Shanthi, E. ; Dutta, V. ; Banerjee, A. ; Chopra, K. L. (1980) Electrical and optical properties of undoped and antimony-doped tin oxide films Journal of Applied Physics, 51 (12). pp. 6243-6251. ISSN 0021-8979

Akhtar, Dilshad ; Goel, T. C. ; Vankar, V. D. ; Chopra, K. L. (1980) Formation of metastable solid solutions in the Pb-Ge system Journal of Materials Science, 15 (11). pp. 2720-2728. ISSN 0022-2461

Singh, Bhanwar ; Rajagopalan, S. ; Chopra, K. L. (1980) Photoinduced chemical changes in obliquely deposited amorphous Se‐Ge films Journal of Applied Physics, 51 (3). pp. 1768-1772. ISSN 0021-8979

Gogna, P. K. ; Chopra, K. L. ; Mullick, S. C. (1980) Photothermal performance of selective black nickel coatings International Journal of Energy Research, 4 (4). pp. 317-322. ISSN 0363-907X

Nath, P. ; Dutta, V. ; Chopra, K. L. (1979) Amorphous and polycrystalline Ge-metal films prepared by physical vapour deposition Thin Solid Films, 64 (1). pp. 65-69. ISSN 0040-6090

Gogna, P. K. ; Chopra, K. L. (1979) Optical and topographical properties of selective black chrome Thin Solid Films, 63 (1). pp. 183-187. ISSN 0040-6090

Sharma, N. C. ; Pandya, D. K. ; Sehgal, H. K. ; Chopra, K. L. (1979) Optical and electrical properties of electroless- deposited Pb_1-xHg_xS films Thin Solid Films, 62 (1). pp. 97-108. ISSN 0040-6090

Rao, T. V. ; Chopra, K. L. (1979) The effect of doping on chain vibrations in metal-doped polyvinyl chloride films Thin Solid Films, 60 (3). pp. 387-393. ISSN 0040-6090

Sharma, N. C. ; Kainthla, R. C. ; Pandya, D. K. ; Chopra, K. L. (1979) Electroless deposition of semiconductor films Thin Solid Films, 60 (1). pp. 55-59. ISSN 0040-6090

Das, S. R. ; Banerjee, A. ; Chopra, K. L. (1979) Zn_xCd_1-xS/Cu₂S heterojunction solar cells-II: junction analysis Solid State Electronics, 22 (6). pp. 533-539. ISSN 0038-1101

Dutta, V. ; Nath, P. ; Chopra, K. L. (1979) Electrical properties of polycrystalline germanium-metal films Thin Solid Films, 59 (3). pp. 263-277. ISSN 0040-6090

Sharma, N. C. ; Pandya, D. K. ; Sehgal, H. K. ; Chopra, K. L. (1979) Electroless deposition of epitaxial Pb_1-xHg_xS films Thin Solid Films, 59 (2). pp. 157-164. ISSN 0040-6090

Bhat, P. K. ; Das, S. R. ; Pandya, D. K. ; Chopra, K. L. (1979) Back illuminated high efficiency thin film Cu₂S/CdS solar cells Solar Energy Materials, 1 (3-4). pp. 215-219. ISSN 0165-1633

Banerjee, A. ; Das, S. R. ; Thakoor, A. P. ; Randhawa, H. S. ; Chopra, K. L. (1979) Zn_xCd_1-xS/Cu₂S heterojunction solar cells-I: fabrication and performance Solid State Electronics, 22 (5). pp. 495-499. ISSN 0038-1101

Vankar, V. D. ; Pandya, D. K. ; Chopra, K. L. (1979) Structural and optical properties of ZnS-MgF₂ alloy films Thin Solid Films, 59 (1). pp. 43-49. ISSN 0040-6090

Nath, P. ; Chopra, K. L. (1979) Electrical resistivity and thermoelectric power of copper-germanium films Thin Solid Films, 58 (2). pp. 339-343. ISSN 0040-6090

Akhtar, Dilshad ; Vankar, V. D. ; Goel, T. C. ; Chopra, K. L. (1979) Metastable structures of splat-cooled and vapour- depodited lead and antimony films Thin Solid Films, 58 (2). pp. 327-332. ISSN 0040-6090

Nath, P. ; Dutta, V. ; Chopra, K. L. (1979) Effects of alloying on the transport properties of amorphous and crystalline Ge films Journal of Physics C: Solid State Physics, 12 (5). L203-L203. ISSN 0022-3719

Gogna, P. K. ; Chopra, K. L. (1979) Structure-dependent thermal and optical properties of black nickel coatings Thin Solid Films, 57 (2). pp. 299-302. ISSN 0040-6090

Singh, Bhanwar ; Rajagopalan, S. ; Bhat, P. K. ; Pandya, D. K. ; Chopra, K. L. (1979) Photocontraction effect in amorphous Se_1-xGe_x films Solid State Communications, 29 (3). pp. 167-169. ISSN 0038-1098

Akhtar, Dilshad ; Vankar, V. D. ; Goel, T. C. ; Chopra, K. L. (1979) Metastable structures of liquid-quenched and vapour-quenched antimony films Journal of Materials Science, 14 (4). pp. 988-994. ISSN 0022-2461

Rajagopalan, S. ; Singh, Bhanwar ; Bhat, P. K. ; Pandya, D. K. ; Chopra, K. L. (1979) Photo-induced optical effects in obliquely deposited amorphous Se-Ge films Journal of Applied Physics, 50 (1). pp. 489-492. ISSN 0021-8979

Gogna, P. K. ; Chopra, K. L. (1979) Selective black nickel coatings on zinc surfaces by chemical conversion Solar Energy, 23 (5). pp. 405-408. ISSN 0038-092X

Akhtar, Dilshad ; Vankar, V. D. ; Goel, T. C. ; Chopra, K. L. (1979) Splat-quenching of lead in vacuum Journal of Materials Science, 14 (4). pp. 983-987. ISSN 0022-2461

Akhtar, Dilshad ; Vankar, V. D. ; Goel, T. C. ; Chopra, K. L. (1979) Stabilization and transformation kinetics of the metastable phases of liquid-quenched antimony Journal of Materials Science, 14 (10). pp. 2422-2426. ISSN 0022-2461

Dutta, V. ; Nath, P. ; Vankar, V. D. ; Chopra, K. L. (1978) Structural properties of polycrystalline Ge-metal films Physica Status Solidi A, 49 (1). pp. 379-385. ISSN 0031-8965

Randhawa, H. S. ; Malhotra, L. K. ; Chopra, K. L. (1978) Formation and stability criteria for amorphous Ge alloy films Journal of Non Crystalline Solids, 29 (3). pp. 311-321. ISSN 0022-3093

Dutta, V. ; Nath, P. ; Chopra, K. L. (1978) Structural and electrical properties of polycrystalline Ge films Physica Status Solidi A, 48 (1). pp. 257-262. ISSN 0031-8965

Das, S. R. ; Vankar, V. D. ; Nath, P. ; Chopra, K. L. (1978) The preparation of Cu₂S films for solar cells Thin Solid Films, 51 (2). pp. 257-264. ISSN 0040-6090

Chopra, K. L. ; Pandya, D. K. (1978) Thin film thermal device applications Thin Solid Films, 50 . pp. 81-98. ISSN 0040-6090

Banerjee, A. ; Nath, Prem ; Vankar, V. D. ; Chopra, K. L. (1978) Properties of Zn_xCd_1-xS films prepared by solution spray technique Physica Status Solidi A, 46 (2). pp. 723-728. ISSN 0031-8965

Gogna, P. K. ; Pandya, D. K. ; Chopra, K. L. (1978) Selective coatings for solar energy conversion Proceedings of the International Solar Energy Congress, New Delhi on Sun: Mankind's future source of energy, 2 . pp. 842-844.

Banerjee, A. ; Nath, P. ; Das, S. R. ; Chopra, K. L. (1978) Sprayed CdS thin films for CdS/Cu₂S heterojunction solar cells Proceedings of the International Solar Energy Congress on Sun: Mankind's Future Source of Energy, 2 . pp. 675-677.

Das, S. R. ; Nath, P. ; Banerjee, A. ; Vankar, V. D. ; Chopra, K. L. (1978) Stoichiometric Cu₂S thin films for solar cells Proceedings of the International Solar Energy Congress on Sun: Mankind's future source of energy, 2 . pp. 694-697.

Shanthi, E. ; Pandya, D. K. ; Chopra, K. L. (1978) Transparent conducting coatings for solar cells Proceedings of the International Solar Energy Congress, New Delhi on Sun: Mankind's future source of energy, 2 . pp. 698-702.

Randhawa, H. S. ; Malhotra, L. K. ; Chopra, K. L. (1978) EPR studies on amorphous Ge-Al and Ge-Cu films Journal of Applied Physics, 49 (7). pp. 4294-4295. ISSN 0021-8979

Rao, T. V. ; Chopra, K. L. (1978) Structural and optical properties of Cu- and Fe-doped PVC films Journal of Chemical Physics, 68 (4). pp. 1482-1488. ISSN 0021-9606

Chopra, K. L. ; Thakoor, A. P. (1978) Thermoelectric power of Cu-based dilute alloy films Journal of Applied Physics, 49 (5). pp. 2855-2861. ISSN 0021-8979

Chopra, K. L. ; Randhawa, H. S. ; Malhotra, L. K. (1977) The kinetics of transformation in amorphous germanium alloy films Thin Solid Films, 47 (3). pp. 203-210. ISSN 0040-6090

Chopra, K. L. ; Suri, Ritu ; Thakoor, A. P. (1977) Electron transport properties of Cu-based alloy films Physical Review B, 15 (10). pp. 4682-4692. ISSN 0163-1829

Sharma, N. C. ; Pandya, D. K. ; Sehgal, H. K. ; Chopra, K. L. (1977) The structural properties of Pb_1-xHg_xS films of variable optical gap Thin Solid Films, 42 (3). pp. 383-391. ISSN 0040-6090

Chopra, K. L. ; Thakoor, A. P. ; Barthwal, S. K. ; Nath, P. (1977) Electron transport properties of amorphous Cu-Ag films Physica Status Solidi A, 40 (1). pp. 247-255. ISSN 0031-8965

Das, S. R. ; Nath, P. ; Banerjee, A. ; Chopra, K. L. (1977) Fabrication of thin film Cu₂S/CdS solar cells by a novel evaporation technique Solid State Communications, 21 (1). pp. 49-51. ISSN 0038-1098

Chopra, K. L. ; Suri, Ritu ; Thakoor, A. P. (1977) Role of structural defects in electron transport properties of copper films Journal of Applied Physics, 48 (2). pp. 538-546. ISSN 0021-8979

Sharma, N. C. ; Pandya, D. K. ; Mukerjee, A. K. ; Sehgal, H. K. ; Chopra, K. L. (1977) Structural and ir properties of Pb_1-xHg_xS thin films Applied Optics, 16 (11). pp. 2945-2948. ISSN 0003-6935

Thakoor, A. P. ; Chopra, K. L. (1977) Structural and magnetic disorder effects on electron transport properties of Cu-Ni films Journal of Applied Physics, 48 (9). pp. 3850-3857. ISSN 0021-8979

Randhawa, H. S. ; Nath, P. ; Malhotra, L. K. ; Chopra, K. L. (1976) Structure of amorphous Ge alloy films Solid State Communications, 20 (1). pp. 73-76. ISSN 0038-1098

Randhawa, H. S. ; Malhotra, L. K. ; Sehgal, H. K. ; Chopra, K. L. (1976) Structural transformations in a-Ge alloy films Physica Status Solidi A, 37 (1). pp. 313-320. ISSN 0031-8965

Sharma, N. C. ; Pandya, D. K. ; Sehgal, H. K. ; Chopra, K. L. (1976) Solution growth of variable gap Pb_1-xHg_xS films for infrared detectors Materials Research Bulletin, 11 (9). pp. 1109-1113. ISSN 0025-5408

Barthwal, S. K. ; Chopra, K. L. (1976) Thermoelectric power of amorphous germanium films Physica Status Solidi A, 36 (2). pp. 533-549. ISSN 0031-8965

Chopra, K. L. ; Pandya, D. K. (1976) Obliquely deposited amorphous Ge films. II. Electrical properties Physica Status Solidi A, 36 (1). pp. 89-100. ISSN 0031-8965

Barthwal, S. K. ; Chopra, K. L. (1976) Transport properties of amorphous InSb and GaAs Physica Status Solidi A, 36 (1). pp. 345-355. ISSN 0031-8965

Suri, Ritu ; Chopra, K. L. (1976) Effect of annealing on the transport properties of copper films Thin Solid Films, 36 (1). pp. 47-50. ISSN 0040-6090

Thakoor, A. P. ; Bhatnagar, A. ; Chopra, K. L. (1976) The dependence of the thermoelectric power of copper films on structural defects Thin Solid Films, 36 (1). pp. 51-54. ISSN 0040-6090

Pandya, D. K. ; Chopra, K. L. (1976) Obliquely deposited amorphous Ge films. I. Optical properties Physica Status Solidi A, 35 (2). pp. 725-734. ISSN 0031-8965

Chopra, K. L. ; Barthwal, S. K. ; Pandya, D. K. (1976) Structural sensitivity of transport and optical properties of amorphous GeTe Physica Status Solidi A, 35 (2). pp. 761-768. ISSN 0031-8965

Rastogi, A. C. ; Chopra, K. L. (1976) Structure-sensitive optical scattering by thin polyvinylchloride (PVC) films Thin Solid Films, 34 (2). pp. 377-380. ISSN 0040-6090

Nath, P. ; Pandya, D. K. ; Chopra, K. L. (1976) Amorphous Ge alloy films. III. Optical properties Physica Status Solidi A, 34 (1). pp. 405-411. ISSN 0031-8965

Chopra, K. L. ; Nath, P. (1976) Amorphous Ge alloy films. II. Transport properties Physica Status Solidi A, 33 (1). pp. 333-334. ISSN 0031-8965

Suri, Ritu ; Thakoor, A. P. ; Chopra, K. L. (1976) Anomalously large contributions of vacancies and dislocations to Hall coefficient and thermoelectric power of copper films Solid State Communications, 18 (5). pp. 605-608. ISSN 0038-1098

Banerjee, A. ; Barthwal, S. K. ; Chopra, K. L. (1976) Design of a bent beam electron gun for evaporation Review of Scientific Instruments, 47 (11). p. 1410. ISSN 0034-6748

Chopra, K. L. ; Rao, T. V. ; Rastogi, A. C. ; Barthwal, S. K. (1976) Solution growth of metallopolymer films Applied Physics Letters, 29 (6). pp. 340-342. ISSN 0003-6951

Pandya, D. K. ; Barthwal, S. K. ; Chopra, K. L. (1975) Effects of oxygen on the properties of amorphous Ge films Physica Status Solidi A, 32 (2). pp. 489-496. ISSN 0031-8965

Nath, P. ; Suri, S. K. ; Chopra, K. L. (1975) Structural, electrical, and optical properties of thermally evaporated amorphous Ge_xTe_1-x films Physica Status Solidi A, 30 (2). pp. 771-780. ISSN 0031-8965

Rastogi, A. C. ; Chopra, K. L. (1975) Dielectric loss behaviour of solution grown thin polyvinylchloride films Thin Solid Films, 27 (2). pp. 311-318. ISSN 0040-6090

Barthwal, S. K. ; Nath, Prem ; Chopra, K. L. (1975) Effect of impurities on the thermoelectric power of amorphous germanium Solid State Communications, 16 (6). pp. 723-727. ISSN 0038-1098

Rastogi, A. C. ; Chopra, K. L. (1975) Electrical conduction mechanism in solution grown thin polyvinylchloride (PVC) films Thin Solid Films, 26 (1). pp. 61-76. ISSN 0040-6090

Chopra, K. L. ; Nath, P. ; Rastogi, A. C. (1975) Amorphous Ge alloy films. I. Structural properties Physica Status Solidi A, 27 (2). pp. 645-655. ISSN 0031-8965

Nath, Prem ; Barthwal, S. K. ; Chopra, K. L. (1975) Structural stability and electrical conductivity of amorphous Ge-metal alloy films Solid State Communications, 16 (3). pp. 301-305. ISSN 0038-1098

Thakoor, A. P. ; Suri, Ritu ; Suri, S. K. ; Chopra, K. L. (1975) Electron transport properties of copper films. II. Thermoelectric power Journal of Applied Physics, 46 (11). pp. 4777-4783. ISSN 0021-8979

Suri, Ritu ; Thakoor, A. P. ; Chopra, K. L. (1975) Electron transport properties of thin copper films. I. Journal of Applied Physics, 46 (6). pp. 2574-2582. ISSN 0021-8979

Pandya, D. K. ; Rastogi, A. C. ; Chopra, K. L. (1975) Obliquely deposited amorphous Ge films. I. Growth and structure Journal of Applied Physics, 46 (7). pp. 2966-2975. ISSN 0021-8979

Thakoor, A. P. ; Suri, Ritu ; Suri, S. K. ; Chopra, K. L. (1975) Structural defect thermoelectric power in thin copper films Applied Physics Letters, 26 (4). pp. 160-162. ISSN 0003-6951

Chopra, K. L. ; Rastogi, A. C. ; Malhotra, G. L. (1974) Epitaxial growth of solution grown polyvinylchloride (PVC) films Thin Solid Films, 24 (1). pp. 125-136. ISSN 0040-6090

Nath, Prem ; Chopra, K. L. (1974) Thermal conductivity of amorphous and crystalline Ge and GeTe films Physical Review B, 10 (8). pp. 3412-3418. ISSN 0163-1829

Chopra, K. L. ; Rastogi, A. C. ; Pandya, D. K. (1974) Electron microscopy evidence of adatom mobility in amorphous germanium films Philosophical Magazine, 30 (4). pp. 935-938. ISSN 1478-6435

Rastogi, A. C. ; Chopra, K. L. (1974) Metal-induced recrystallization of solution grown amorphous polyvinylchloride (PVC) films Thin Solid Films, 23 (2). pp. 233-237. ISSN 0040-6090

Yadava, V. N. ; Sharma, Shiv K. ; Chopra, K. L. (1974) Optical dispersion of homogeneously mixed ZnS-MgF₂ films Thin Solid Films, 22 (1). pp. 57-66. ISSN 0040-6090

Yadava, V. N. ; Sharma, Shiv K. ; Chopra, K. L. (1974) Optical behaviour of gradient-index multilayer films Thin Solid Films, 21 (2). pp. 297-312. ISSN 0040-6090

Jain, K. ; Rastogi, A. C. ; Chopra, K. L. (1974) Thermally stimulated discharge currents in solution-grown thin polyvinyl butyral films Physica Status Solidi A, 21 (2). pp. 685-692. ISSN 0031-8965

Sharma, Shiv K. ; Yadava, V. N. ; Chopra, K. L. (1974) Equivalent refractive index of multilayer films of different materials Thin Solid Films, 20 (2). pp. 209-215. ISSN 0040-6090

Nath, Prem ; Chopra, K. L. (1974) Thermal conductivity of copper films Thin Solid Films, 20 (1). pp. 53-62. ISSN 0040-6090

Pandya, D. K. ; Chopra, K. L. (1974) Adsorption induced changes in the conductivity of amorphous Ge films Japanese Journal of Applied Physics, 2 (Suppl. 2). pp. 157-160. ISSN 0021-4922

Nath, Prem ; Chopra, K. L. (1974) Thermal conductivity of amorphous vs crystalline Ge and GeTe films Japanese Journal of Applied Physics, 2 (Suppl. 2). pp. 781-784. ISSN 0021-4922

Chopra, K. L. ; Nath, Prem (1974) Thermal conductivity of ultrathin metal films in multilayer structures Journal of Applied Physics, 45 (4). pp. 1923-1925. ISSN 0021-8979

Jain, K. ; Rastogi, A. C. ; Chopra, K. L. (1973) Depolarization behaviour of solution-grown thin polyvinylchloride films Physica Status Solidi A, 20 (1). pp. 167-175. ISSN 0031-8965

Rastogi, A. C. ; Chopra, K. L. (1973) Kinetics of growth of polyvinylchloride (PVC) films Thin Solid Films, 18 (2). pp. 187-200. ISSN 0040-6090

Nath, Prem ; Chopra, K. L. (1973) Experimental determination of the thermal conductivity of thin films Thin Solid Films, 18 (1). pp. 29-37. ISSN 0040-6090

Yadava, V. N. ; Sharma, S. K. ; Chopra, K. L. (1973) Variable refractive index optical coatings Thin Solid Films, 17 (2). pp. 243-252. ISSN 0040-6090

Rastogi, A. C. ; Chopra, K. L. (1972) SCLC diode thin film rate monitor Thin Solid Films, 13 (2). pp. 379-383. ISSN 0040-6090

Chopra, K. L. ; Bahl, S. K. (1972) Thermopower behaviour of amorphous versus crystalline Ge and GeTe films Thin Solid Films, 12 (2). pp. 211-215. ISSN 0040-6090

Chopra, K. L. ; Bahl, S. K. (1972) Exponential tail of the optical absorption edge of amorphous semiconductors Thin Solid Films, 11 (2). pp. 377-388. ISSN 0040-6090

Chopra, K. L. ; Bahl, S. K. (1970) Structural, electrical, and optical properties of amorphous germanium films Physical Review B, 1 (6). pp. 2545-2556. ISSN 0163-1829

Chopra, K. L. (1970) Epitaxial influence via intermediate amorphous layers? Surface Science, 20 (1). pp. 201-202. ISSN 0039-6028

Bahl, S. K. ; Chopra, K. L. (1970) Electrical conduction in amorphous GeTe films Journal of Non Crystalline Solids, 2 . p. 239. ISSN 0022-3093

Bahl, S. K. ; Chopra, K. L. (1970) Amorphous versus crystalline GeTe films. III. Electrical properties and band structure Journal of Applied Physics, 41 (5). pp. 2196-2212. ISSN 0021-8979

Dove, D. B. ; Heritage, M. B. ; Chopra, K. L. ; Bahl, S. K. (1970) Short-range order in amorphous GeTe films Applied Physics Letters, 16 (3). pp. 138-140. ISSN 0003-6951

Bahl, S. K. ; Chopra, K. L. (1969) Electrical and optical properties of amorphous vs crystalline GeTe films Journal of Vacuum Science and Technology, 6 (4). pp. 561-565. ISSN 0022-5355

Chopra, K. L. ; Bahl, S. K. (1969) Amorphous versus crystalline GeTe films. I. Growth and structural behavior Journal of Applied Physics, 40 (10). pp. 4171-4178. ISSN 0021-8979

Bahl, S. K. ; Chopra, K. L. (1969) Amorphous versus crystalline GeTe films. II. Optical properties Journal of Applied Physics, 40 (12). pp. 4940-4947. ISSN 0021-8979

Chopra, Kasturi Lal (1969) Epitaxial growth of films on substrates coated with amorphous deposits Journal of Applied Physics, 40 (2). pp. 906-907. ISSN 0021-8979

Chopra, K. L. (1969) Metastable thin film epitaxial structures Physica Status Solidi B, 32 (2). pp. 489-507. ISSN 0370-1972

Chopra, K. L. ; Randlett, M. R. (1968) Influence of deposition parameters on the coalescence stage of growth of metal films Journal of Applied Physics, 39 (3). pp. 1874-1881. ISSN 0021-8979

Chopra, K. L. ; Randlett, M. R. ; Bender, S. L. (1968) Measurement of film thickness by electron microprobe analyzer Review of Scientific Instruments, 39 (11). pp. 1755-1756. ISSN 0034-6748

Chopra, K. L. ; Bahl, S. K. ; Randlett, M. R. (1968) Thermopower in thin-film copper-Constantan couples Journal of Applied Physics, 39 (3). pp. 1525-1528. ISSN 0021-8979

Chopra, K. L. (1967) Enhancement of superconductivity in tungsten films Physics Letters A, 25 (6). pp. 451-452. ISSN 0375-9601

Chopra, K. L. ; Randlett, M. R. (1967) Duoplasmatron ion beam source for vacuum sputtering of thin films Review of Scientific Instruments, 38 (8). pp. 1147-1151. ISSN 0034-6748

Chopra, K. L. (1967) 3.2 Galvanomagnetic size effect in thin films Vacuum: Surface Engineering, Surface Instrumentation & Vacuum Technology, 17 (6). p. 335. ISSN 0042-207X

Chopra, K. L. (1967) Size effects in the longitudinal magnetoresistance of thin silver films Physical Review, 155 (3). pp. 660-662. ISSN 0031-899X

Chopra, K. L. ; Khan, I. H. (1967) Polymorphic transformation in epitaxial CdS films Surface Science, 6 (1). pp. 33-41. ISSN 0039-6028

Chopra, K. L. ; Randlett, M. R. (1967) Effect of ultrasonic vibrations of the substrate on the growth of thin metal films Applied Physics Letters, 11 (6). pp. 202-203. ISSN 0003-6951

Chopra, K. L. ; Randlett, M. R. ; Duff, R. H. (1967) Face-centred cubic modification in sputtered films of tantalum, molybdenum, tungsten, rhenium, hafnium and zirconium Philosophical Magazine, 16 (140). pp. 261-273. ISSN 1478-6435

Chopra, K. L. ; Bahl, S. K. (1967) Hall effect in thin metal films Journal of Applied Physics, 38 (9). pp. 3607-3610. ISSN 0021-8979

Chopra, K. L. ; Randlett, M. R. (1967) Influence of a superimposed film on the electrical conductivity of thin metal films Journal of Applied Physics, 38 (8). pp. 3144-3147. ISSN 0021-8979

Mariano, A. N. ; Chopra, K. L. (1967) Polymorphism in some IV-VI compounds induced by high pressure and thin-film epitaxial growth Applied Physics Letters, 10 (10). pp. 282-284. ISSN 0003-6951

Chopra, K. L. ; Randlett, R. (1966) Epitaxial growth of sputtered silver films at low temperatures Applied Physics Letters, 8 (10). pp. 241-243. ISSN 0003-6951

Chopra, K. L. ; Randlett, M. R. ; Duff, R. H. (1966) Face-centered-cubic tungsten films obtained by Applied Physics Letters, 9 (11). pp. 402-405. ISSN 0003-6951

Chopra, K. L. (1966) Growth of sputtered vs evaporated metal films Journal of Applied Physics, 37 (9). pp. 3405-3410. ISSN 0021-8979

Chopra, K. L. (1966) Influence of electric field on the growth of thin metal films Journal of Applied Physics, 37 (6). pp. 2249-2254. ISSN 0021-8979

Randlett, M. R. ; Stroberg, E. H. ; Chopra, K. L. (1966) Mechanical system for multiple thin film deposition Review of Scientific Instruments, 37 (10). pp. 1378-1380. ISSN 0034-6748

Chopra, K. L. ; Randlett, M. R. (1966) Modular electron beam source for thin film deposition Review of Scientific Instruments, 37 (10). pp. 1421-1422. ISSN 0034-6748

Chopra, K. L. (1965) Photo-effects in thin oxide film sandwich structures Solid State Electronics, 8 (99). pp. 715-720. ISSN 0038-1101

Chopra, K. L. (1965) Electrical resistivity of silver films at low temperatures Physics Letters, 15 (1). pp. 21-23. ISSN 0031-9163

Chopra, K. L. (1965) Avalanche-induced negative resistance in thin oxide films Journal of Applied Physics, 36 (1). pp. 184-187. ISSN 0021-8979

Chopra, K. L. (1965) Dielectric properties of ZnS films Journal of Applied Physics, 36 (2). pp. 655-656. ISSN 0021-8979

Chopra, K. L. (1965) Growth of thin metal films under applied electric field Applied Physics Letters, 7 (5). pp. 140-142. ISSN 0003-6951

Chopra, K. L. ; Bobb, L. C. (1964) Electrical resistivity studies on polycrystalline and epitaxially grown gold films Acta Metallurgica, 12 (7). pp. 807-811. ISSN 0001-6160

Chopra, K. L. ; Bobb, L. C. (1963) Thin oxide film sandwich structure photocell Proceedings of the IEEE, 51 (12). pp. 1784-1785. ISSN 0018-9219

Chopra, K. L. (1963) Avalanche injection in CdS films Proceedings of the IEEE, 51 (9). p. 1242. ISSN 0018-9219

Chopra, K. L. (1963) Current-controlled negative resistance in thin niobium oxide films Proceedings of the IEEE, 51 (6). pp. 941-942. ISSN 0018-9219

Brill, R. ; Chopra, K. L. (1962) Electron distribution and characteristic temperature variation at low temperatures in magnesium and ruthenium Nature, 194 (4824). p. 175. ISSN 0028-0836

Chopra, K. L. (1962) Liquid helium cryostat for X-ray diffraction studies Cryogenics, 2 (3). pp. 167-169. ISSN 0011-2275

Chopra, K. L. ; Hutchison, T. S. (1959) Ultrasonic attenuation in superconducting and normal mercury Canadian Journal of Physics / Revue Canadienne de Physique, 37 (10). pp. 1100-1104. ISSN 0008-4204

Chopra, K. L. ; Hutchison, T. S. (1958) Ultrasonic attenuation in superconducting aluminum Canadian Journal of Physics / Revue Canadienne de Physique, 36 (6). pp. 805-806. ISSN 0008-4204

Chopra, K. L. ; Brown, J. B. (1957) Suspension of particles in liquid helium Physical Review, 108 (1). p. 157. ISSN 0031-899X

Chopra, K. L. ; Brown, J. B. (1957) Nonisothermal flow of helium II film Physical Review, 107 (4). pp. 915-916. ISSN 0031-899X

Hebert, G. R. ; Chopra, K. L. ; Brown, J. B. (1957) Helium film flow below 1°K Physical Review, 106 (3). pp. 391-393. ISSN 0031-899X

Chopra, K. L. (1957) Helium II filter Review of Scientific Instruments, 28 (2). p. 146. ISSN 0034-6748