Items where Author is "Kar, A. K."

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

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

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

Kar, A. K. ; Ghosh, A. S. ; Chauhan, K. ; Ahamed, J . ; Chakrabarti, P. ; Kundu, M. (1997) Involvement of a 43-kilodalton outer membrane protein in beta-lactam resistance of Shigella dysenteriae Antimicrobial Agents and Chemotherapy, 41 (10). pp. 2302-2304. ISSN 0066-4804

Gupta, P. K. ; Kar, A. K. ; Taghizadeh, M. R. ; Harrison, R. G. (1981) 12.8 µm NH₃ laser emission with 40-60% power conversion efficiency and up to 28% energy conversion efficiency Applied Physics Letters, 39 (1). pp. 32-34. ISSN 0003-6951

Harrison, R. G. ; Gupta, P. K. ; Kar, A. K. ; Taghizadeh, M. R. (1980) A simple and efficient optically pumped NH₃ laser system Optics Communications, 34 (3). pp. 445-446. ISSN 0030-4018