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Number of items: 75. Mahanandia, P. ; Arya, V. ; Bhotla, P. V. ; Subramanyam, S. V. ; Schneider, J. J. ; Nanda, K. K. (2009) Excellent field emission from semialigned carbon nanofibers grown on cylindrical copper surface Applied Physics Letters, 95 (8). 083108_1-083108_3. ISSN 0003-6951 Sajitha, E. P. ; Prasad, V. ; Subramanyam, S. V. (2009) Low temperature electrical transport properties of carbon matrix containing iron nanoparticles Journal of Applied Physics, 105 (7). 073708_1-073708_6. ISSN 0021-8979 Kumari, Latha ; Subramanyam, S. V. (2009) Structural, optical and electrical properties of sulfur-incorporated amorphous carbon films Applied Physics A: Materials Science & Processing, 95 (2). pp. 343-349. ISSN 0947-8396 Mahanandia, P. ; Vishwakarma, P. N. ; Nanda, K. K. ; Prasad, V. ; Barai, K. ; Mondal, A. K. ; Sarangi, S. ; Dey, G. K. ; Subramanyam, S. V. (2008) Synthesis of multi-wall carbon nanotubes by simple pyrolysis Solid State Communications, 145 (3). pp. 143-148. ISSN 0038-1098 Shekhar, S. ; Sajitha, E. P. ; Prasad, V. ; Subramanyam, S. V. (2008) High coercivity below percolation threshold in polymer nanocomposite Journal of Applied Physics, 104 (8). 083910_1-083910_4. ISSN 0021-8979 Shekhar, S. ; Prasad, V. ; Subramanyam, S. V. (2007) Quantum interference effect in strongly localized system of polymer-nanocomposites Physics Letters A, 37 (5-6). pp. 486-489. ISSN 0375-9601 Sajitha, E. P. ; Prasad, V. ; Subramanyam, S. V. ; Mishra, Ajay Kumar ; Sarkar, Subhajit ; Bansal, Chandrahaas (2007) Structural, magnetic and Mössbauer studies of iron inclusions in a carbon matrix Journal of Magnetism and Magnetic Materials, 313 (2). pp. 329-336. ISSN 0304-8853 Vishwakarma, P. N. ; Subramanyam, S. V. (2007) Metal-insulator transition in boron-doped amorphous carbon films Philosophical Magazine, 87 (6). pp. 811-821. ISSN 1478-6435 Mahanandia, P. ; Vishwakarma, P. N. ; Nanda, K. K. ; Prasad, V. ; Subramanyam, S. V. ; Dev, S. K. ; Satyam, P. V. (2006) Multiwall carbon nanotubes from pyrolysis of tetrahydrofuran Materials Research Bulletin, 41 (12). pp. 2311-2317. ISSN 0025-5408 Kumari, Latha ; Subramanyam, S. V. (2006) Optical properties and electrical transport in intercalated amorphous carbon Materials Research Bulletin, 41 (11). pp. 2000-2006. ISSN 0025-5408 Kumari, Latha ; Subramanyam, S. V. (2006) Magnetoresistance and magnetic field induced metal-insulator transition in intercalated amorphous carbon Materials Science and Engineering: B, 129 (1-3). pp. 48-53. ISSN 0921-5107 Shekhar, S. ; Prasad, V. ; Subramanyam, S. V. (2006) Transport properties of conducting amorphous carbon-poly(vinyl chloride) composite Carbon, 44 (2). pp. 334-340. ISSN 0008-6223 Vishwakarma, P. N. ; Subramanyam, S. V. (2006) Hopping conduction in boron doped amorphous carbon films Journal of Applied Physics, 100 (11). 113702_1-113702_5. ISSN 0021-8979 Kumari, Latha ; Subramanyam, S. V. (2006) Tuning of the metal-insulator transition in iodine incorporated amorphous carbon Journal of Applied Physics, 99 (9). 096107_1-096107_3. ISSN 0021-8979 Prasad, V. ; Subramanyam, S. V. (2005) Magnetotransport in the amorphous carbon films prepared from succinic anhydride Physica B: Condensed Matter, 369 (1-4). pp. 168-176. ISSN 0921-4526 Venkataiah, G. ; Krishna, D. C. ; Vithal, M. ; Rao, S. S. ; Bhat, S. V. ; Prasad, V. ; Subramanyam, S. V. ; Venugopal Reddy, P. (2005) Effect of sintering temperature on electrical transport properties of La0.67Ca0.33B>MnO3 Physica B: Condensed Matter, 357 (3-4). pp. 370-379. ISSN 0921-4526 Kumari, Latha ; Prasad, V. ; Subramanyam, S. V. (2003) Effect of iodine incorporation on the electrical properties of amorphous conducting carbon films Carbon, 41 (9). pp. 1841-1846. ISSN 0008-6223 Padmavathi, K. ; Rajakumari, V. ; Vittal, M. ; Prasd, V. ; Subramanyam, S. V. ; Venugopal Reddy, P. (2003) Preparation of some nano size colossal magneto resistance materials by the sol-gel route Modern Physics Letters B, 17 (1). pp. 19-24. ISSN 0217-9849 Sutar, Dayanand ; Menon, Reghu ; Subramanyam, S. V. (2002) Study of electrical conduction in polypyrrole by varying the doping level Thin Solid Films, 417 (1-2). pp. 40-42. ISSN 0040-6090 Chaitanya Lekshmi, I. ; Gayen, Arup ; Prasad, V. ; Subramanyam, S. V. ; Hegde, M. S. (2002) Structure and electrical properties of sodium tungsten bronzes thin films Materials Research Bulletin, 37 (11). pp. 1815-1823. ISSN 0025-5408 Gopalakrishnan, B. ; Subramanyam, S. V. (2002) Synthesis of crystallites of carbon nitride in amorphous carbon International Journal of Modern Physics B, 16 (6-7). pp. 1148-1153. ISSN 0217-9792 Abraham, D. ; Jyotsna, T. S. ; Subramanyam, S. V. (2001) Polymerization of pyrrole and processing of the resulting polypyrrole as blends with plasticised PVC Journal of Applied Polymer Science, 81 (6). pp. 1544-1548. ISSN 0021-8995 Meenakshi, V. ; Subramanyam, S. V. (2000) Effect of disorder on the electrical properties of amorphous conducting carbon films: observance of field induced metal-insulator transition? International Journal of Modern Physics B, 14 (2-3). pp. 224-229. ISSN 0217-9792 Venimadhav, A. ; Hegde, M. S. ; Prasad, V. ; Subramanyam, S. V. (2000) Enhancement of magnetoresistance in manganite multilayers Journal of Physics D: Applied Physics, 33 (22). pp. 2921-2926. ISSN 0022-3727 Sahana, M. ; Hegde, M. S. ; Shivakumara, C. ; Prasad, V. ; Subramanyam, S. V. (1999) Colossal magnetoresistance in potassium doped lanthanum manganite: a comparative study of polycrystalline solid and thin film Journal of Solid State Chemistry, 148 (2). pp. 342-346. ISSN 0022-4596 Elizabeth, Suja ; Anand, A. ; Bhat, S. V. ; Subramanyam, S. V. ; Bhat, H. L. (1999) Influence of cobalt doping on superconducting transition in as-grown YBCO single crystals Solid State Communications, 109 (5). pp. 333-338. ISSN 0038-1098 Sahana, M. ; Hegde, M. S. ; Prasad, V. ; Subramanyam, S. V. (1999) Electrical resistivity and enhanced magnetoresistance in (La0.6Pb0.4MnO3/La0.85MnO3-δ)n superlattices Journal of Applied Physics, 85 (2). pp. 1058-1062. ISSN 0021-8979 Bhattacharyya, Somnath ; Rastogi, A. ; Bhat, S. V. ; Rao, K. S. R. K. ; Subramanyam, S. V. ; Kanjilal, D. (1998) Electron spin resonance study on high energy heavy ion irradiated conducting carbon films Solid State Communications, 105 (8). pp. 543-546. ISSN 0038-1098 Krishna, P. S. R. ; Balaya, P. ; Dasannacharya, B. A. ; Sayeed, Ahmed ; Meenakshi, V. ; Subramanyam, S. V. (1997) Structure of highly conducting amorphous carbon Physica B: Condensed Matter, 241-243 . pp. 921-923. ISSN 0921-4526 Sahana, M. ; Satyalakshmi, K. M. ; Hegde, M. S. ; Prasad, V. ; Subramanyam, S. V. (1997) Giant magnetoresistance in La0.6Pb0.4Mn(1-x)TixO3 films: enhancement of magnetoresistance due to Ti4+ substitution in Mn4+ sites Materials Research Bulletin, 32 (7). pp. 831-837. ISSN 0025-5408 Sahana, M. ; Singh, R. N. ; Shivakumara, C. ; Vasanthacharya, N. Y. ; Hegde, M. S. ; Subramanian, S. ; Prasad, V. ; Subramanyam, S. V. (1997) Colossal magnetoresistance in epitaxial La(1-x-y)NayMnO3 thin film Applied Physics Letters, 70 (21). 2909_1-2909_3. ISSN 0003-6951 Bhattacharyya, Somnath ; Subramanyam, S. V. (1997) Metallic conductivity of amorphous carbon films under high pressure Applied Physics Letters, 71 (5). pp. 632-634. ISSN 0003-6951 Subramanyam, S. V. ; Sayeed, Ahmed ; Meenakshi, V. ; Bhattacharya, Somnath ; Cholli, Ashoke ; Tripathi, Sukant (1997) Some unusual features in the Raman spectrum of amorphous carbon films obtained by pyrolysis of maleic anhydride Journal of Applied Physics, 81 (6). pp. 2907-2909. ISSN 0021-8979 Sahana, M. ; Hegde, M. S. ; Vasanthacharya, N. Y. ; Prasad, V. ; Subramanyam, S. V. (1997) Transport properties and colossal magnetoresistance in epitaxial La0.67Cd0.33MnO3 thin film Applied Physics Letters, 71 (18). 2701_1-2701_3. ISSN 0003-6951 Abraham, Daniel ; Bharathi, A. ; Subramanyam, S. V. (1996) Highly conducting polymer blend films of polyaniline and nylon 6 by cosolvation in an organic acid Polymer, 37 (23). pp. 5295-5299. ISSN 0032-3861 Sayeed, A. ; Meenakshi, V. ; Bhattacharya, S. ; Subramanyam, S. V. ; Kanjilal, D. (1996) Low temperature conductivity of irradiated amorphous conducting carbon Vacuum, 47 (11). pp. 1281-1283. ISSN 0042-207X Sundar Manoharan, S. ; Hegde, M. S. ; Satyalakshmi, K. M. ; Prasad, V. ; Subramanyam, S. V. (1996) Metal-insulator transition and giant magnetoresistance in La1-x MnO3-δ thin films and superlattices Thin Solid Films, 275 (1-2). pp. 244-246. ISSN 0040-6090 Bhattacharyya, Somnath ; Koteswara Rao, K. S. R. ; Subramanyam, S. V. ; Kanjilal, D. (1996) Persistent photoconductivity on ion irradiated carbon films prepared by plasma assisted chemical vapor deposition and determination of traps in the pseudo-gap region Applied Physics Letters, 68 (15). pp. 2079-2081. ISSN 0003-6951 Sayeed, Ahmed ; Bhattacharyya, Somnath ; Subramanyam, S. V. (1995) D.C. conductivity measurements on amorphous conducting carbon Materials Science and Engineering: C, 3 (3-4). pp. 231-233. ISSN 0928-4931 Sundar Manoharan, S. ; Kumar, Dhananjay ; Hegde, M. S. ; Satyalakshmi, K. M. ; Prasad, V. ; Subramanyam, S. V. (1995) Giant magnetoresistance in self-doped La1-xMnO3-δ thin films Journal of Solid State Chemistry, 117 (2). pp. 420-423. ISSN 0022-4596 Rabinal, M. K. ; Sangunni, K. S. ; Gopal, E. S. R. ; Subramanyam, S. V. (1995) Minimum fragility in GexSe80-xPb20 glasses Physica B: Condensed Matter, 205 (3-4). pp. 403-407. ISSN 0921-4526 Satyalakshmi, K. M. ; Sundar Manoharan, S. ; Hegde, M. S. ; Prasad, V. ; Subramanyam, S. V. (1995) Enhanced magnetoresistance in as-deposited oxygen-deficient La0.6 Pb0.4MnO3-y thin films Journal of Applied Physics, 78 (11). pp. 6861-6863. ISSN 0021-8979 Sundar Manoharan, S. ; Vasanthacharya, N. Y. ; Hegde, M. S. ; Satyalakshmi, K. M. ; Prasad, V. ; Subramanyam, S. V. (1994) Ferromagnetic La0.6Pb0.4MnO3 thin films with giant magnetoresistance at 300 K Journal of Applied Physics, 76 (6). pp. 3923-3925. ISSN 0021-8979 Rabinal, M. K. ; Sangunni, K. S. ; Gopal, E. S. R. ; Subramanyam, S. V. (1993) Heat capacity measurements on Ge20Se80-xBix glasses Solid State Communications, 88 (3). pp. 251-254. ISSN 0038-1098 Vijayashree, M. N. ; Subramanyam, S. V. ; Samuelson, A. G. (1993) High pressure and low temperature conducting properties of organic semiconducting metal-anthraquinones Journal of Applied Polymer Science, 49 (12). pp. 2171-2177. ISSN 0021-8995 Jayanna, H. S. ; Subramanyam, S. V. (1993) Thermal expansion of irradiated polyethylene from 10 to 340 K Journal of Polymer Science Part B: Polymer Physics, 31 (9). pp. 1095-1098. ISSN 0887-6266 Ravindran, T. ; Subramanyam, S. V. (1993) Electrical switching in methyltriphenylarsonium-(TCNQ)2 under pressure Applied Physics Letters, 62 (11). pp. 1251-1252. ISSN 0003-6951 Vijayashree, M. N. ; Subramanyam, S. V. ; Samuelson, A. G. (1992) A new organic conducting material derived from 1,4-diaminoanthraquinone Macromolecules, 25 (11). pp. 2988-2990. ISSN 0024-9297 Sundar Manoharan, S. ; Prasad, V. ; Subramanyam, S. V. ; Patil, K. C. (1992) Combustion synthesis and properties of fine particle La2CuO4 and La1.8Sr0.2CuO4 Physica C: Superconductivity, 190 (3). pp. 225-228. ISSN 0921-4534 Dhanaraj, G. ; Srinivasan, M. R. ; Bhat, H. L. ; Jayanna, H. S. ; Subramanyam, S. V. (1992) Thermal and electrical properties of the novel organic nonlinear crystal L-arginine phosphate monohydrate Journal of Applied Physics, 72 (8). pp. 3464-3467. ISSN 0021-8979 Jayanna, H. S. ; Subramanyam, S. V. (1992) Thermal expansion of irradiated polyvinyl chloride from 10 K to 340 K Polymer Bulletin, 28 (4). pp. 481-487. ISSN 0170-0839 Vijayashree, M. N. ; Subramanyam, S. V. (1991) Low temperature properties of 3,4,9,10-perylenetetracarboxylic dianhydride film Solid State Communications, 79 (7). pp. 629-630. ISSN 0038-1098 Reghum, M. ; Subramanyam, S. V. (1991) The contribution of polarons, bipolarons and intersite tunneling to low temperature conductivity in doped polypyrrole Synthetic Metals, 41 (1-2). pp. 455-458. ISSN 0379-6779 Reghu, M. ; Subramanyam, S. V. (1991) Contribution of polarons and bipolarons to low-temperature conductivity in doped polypyrrole Physical Review B: Condensed Matter and Materials Physics, 43 (5). pp. 4236-4243. ISSN 1098-0121 Reghu, M. ; Subramanyam, S. V. (1990) Suppression of tunnel transport by magnetic field in polypyrrole Physics Letters A, 145 (6-7). pp. 371-375. ISSN 0375-9601 Reghu, M. ; Vaidyanathan, R. S. ; Prasad, V. ; Subramanyam, S. V. (1990) Miniature high pressure cell for transport property measurements down to 2 K Review of Scientific Instruments, 61 (4). pp. 1336-1338. ISSN 0034-6748 Reghu, M. ; Subramanyam, S. V. (1989) Tunnel transport in polypyrrole at low temperature Solid State Communications, 72 (4). pp. 325-329. ISSN 0038-1098 Raghu, M. ; Subramanyam, S. V. ; Chatterjee, S. (1989) Pressure induced incommensurate to commensurate transition in K3Cu8 S6 Solid State Communications, 69 (10). pp. 949-952. ISSN 0038-1098 Thirumaleshwar, M. ; Sharma, R. C. ; Subramanyam, S. V. (1987) Spool valve mechanism used in a 20 K Gifford-McMahon cycle cryorefrigerator and its effect on the P-V diagram Cryogenics, 27 (10). pp. 582-585. ISSN 0011-2275 Subrahmanyam, H. N. ; Subramanyam, S. V. (1987) Thermal expansion of irradiated poly(methyl methacrylate) Polymer, 28 (8). pp. 1331-1333. ISSN 0032-3861 Subrahmanyam, H. N. ; Subramanyam, S. V. (1987) Thermal expansion of irradiated polytetrafluoroethylene Journal of Polymer Science Part B: Polymer Physics, 25 (7). pp. 1549-1556. ISSN 0887-6266 Subrahmanyam, H. N. ; Subramanyam, S. V. (1987) Thermal expansion of irradiated polystyrene Journal of Materials Science, 22 (6). pp. 2079-2082. ISSN 0022-2461 Thirumaleshwar, M. ; Subramanyam, S. V. (1986) Two stage Gifford-McMahon cycle cryorefrigerator operating at 20 K Cryogenics, 26 (10). pp. 547-555. ISSN 0011-2275 Thirumaleshwar, M. ; Subramanyam, S. V. (1986) Gifford-McMahon cycle-a theoretical analysis Cryogenics, 26 (3). pp. 177-188. ISSN 0011-2275 Thirumaleshwar, M. ; Subramanyam, S. V. (1986) Heat balance analysis of single stage Gifford-McMahon cycle cryorefrigerator Cryogenics, 26 (3). pp. 189-195. ISSN 0011-2275 Lakshmikumar, S. T. ; Padaki, V. C. ; Krishnapur, P. P. ; Subramanyam, S. V. ; Mallya, R. M. ; Gopal, E. S. R. (1982) Ultrasonic velocities and thermal expansion coefficients of amorphous Se80 Te20 and Se90 Te10 alloys near glass transitions Journal of Materials Science, 17 (1). pp. 183-192. ISSN 0022-2461 Bandyopadhyay, A. K. ; Chatterjee, S. ; Gopal, E. S. R. ; Subramanyam, S. V. (1981) Optimization of gasket thickness in a Bridgman anvil system Review of Scientific Instruments, 52 (8). pp. 1232-1235. ISSN 0034-6748 Bandyopadhyay, A. K. ; Nalini, A. V. ; Gopal, E. S. R. ; Subramanyam, S. V. (1980) High pressure clamp for electrical measurements up to 8 GPa and temperature down to 77 K Review of Scientific Instruments, 51 (1). pp. 136-139. ISSN 0034-6748 Gopal, E. S. R. ; Chandra Sekhar, P. ; Ananthakrishna, G. ; Ramachandra, R. ; Subramanyam, S. V. (1976) Two phase asymmetry in the phase diagram of critical binary liquid systems: carbon disulphide+ nitromethane and cyclohexane+ acetic anhydride Proceedings of the Royal Society of London - Series A: Mathematical and Physical Sciences, 350 (1660). pp. 91-106. ISSN 0080-4630 Gopal, E. S. R. ; Ramachandra, R. ; Chandra Sekhar, P. ; Govindarajan, K. ; Subramanyam, S. V. (1974) Critical exponent β and rectilinear diameter of the binary-liquid system carbon disulfide + nitromethane Physical Review Letters, 32 (6). pp. 284-286. ISSN 0031-9007 Subramanyam, S. V. ; Chopra, V. (1974) Magnetothermal properties of Nb-W, Nb-Ti, and Nb-Mo alloys in the mixed state Journal of Low Temperature Physics, 15 (1-2). pp. 71-77. ISSN 0022-2291 Subramanyam, S. V. ; Ramachandra, R. ; Gopal, E. S. R. (1974) Pippard relations and critical phenomena in binary liquid mixtures Pramana - Journal of Physics, 3 (5). pp. 286-294. ISSN 0304-4289 Lele, M. V. ; Subramanyam, S. V. ; Gopal, E. S. R. (1971) Critical phenomena in the coexistence curve of the binary liquid system Chemical Physics Letters, 11 (4). pp. 542-544. ISSN 0009-2614 Subramanyam, S. V. (1969) A note on the damping and oscillations of a fluid drop moving in another fluid Journal of Fluid Mechanics, 37 (4). pp. 715-725. ISSN 0022-1120 Subramanyam, S. V. ; Raja Gopal, E. S. (1966) Rôle of interfacial tension and viscosity in the process of emulsification Colloid & Polymer Science, 210 (1). pp. 80-81. ISSN 0303-402X |