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Ravindrachary, V. and Chandrashekara, A. and Sreepad, H. R. and Sreeramalu, V. and Ranganathaiah, C. and Gopal, S. (1993) Positron lifetime study of the free-volume properties in the polymer polyacrylonitrile. Physics Letters A, 174 (5-6). pp. 428-432.
Ravindrachary, V. and Sreepad, H. R. and Chandrashekara, A. and Ranganathaiah, C. and Gopal, S. (1992) Thermally induced microstructural changes in undoped and doped polyacrylonitrile- A positron-annihilation study. Physical Review B, 46 (18). pp. 11471-11478.
Kumari, S. R. and Chandrashekara, A. and Shetty, H. S. (1992) Proteins in developing sorghum endosperm that may be involved in resistance to grain moulds. Journal of the Science of Food and Agriculture, 60 (3). pp. 275-282.
Sreepad, H. R. and Ravindrachary, V. and Chandrashekara, A. and Sreeramalu, V. and Ranganathaiah, C. and Gopal, S. (1991) Nature of Positron Trapping centers in a gamma‐Irradiated Nasicon Analogue. PHYSICA STATUS SOLIDI A-APPLIED RESEARCH, 128 (1). K1-K5.
Sreepad, H. R. and Ravindrachary, V. and Chandrashekara, A. and Sreeramalu, V. and Ranganathaiah, C. and Gopal, S. (1991) Nature of positron trapping centers in a. gamma. -irradiated nasicon analogue. Physica Status Solidi A (Applied Research), 128 (1). K1-K5.
Ravindrachary, V. and Sreeramalu, V. and Sreepad, H. R. and Chandrashekara, A. and Gopal, S. (1991) Dobbler broadened and ionic conductivity studies on NASICON analogue. Solid State Ionics, 48 (1-2). pp. 173-176.
Sreepad, H. R. and Sreeramalu, V. and Chandrashekara, A. and Ravindrachary, V. and Ranganathaiah, C. and Gopal, S. (1991) Radiation Induced Changes in the Polymer PPO. A Positron Annihilation Study. Physica Status Solidi A-Applied Research, 124 (2). pp. 441-446.
Chandrashekara, A. and Sreeramalu, V. and Sreepad, H. R. and Ravindrachary, V. and Ranganathaiah, C. and Gopal, S. (1991) Positron Lifetime Study on Microstructural Changes in Iodine‐Doped Polymer PPO. Physica Status Solidi a-Applied Research, 125 (2). pp. 509-516.
Sreepad, H. R. and Sreeramalu, V. and Chandrashekara, A. and Ravindrachary, V. and Gopal, S. (1990) Structural phase-transition in a superionic conductor na2(la,al)zr(po4)3 - positron-annihilation study. Physica Status Solidi A-Applied Research, 120 (2). pp. 411-417.
Sreeramalu, V. and Sreepad, H. R. and Chandrashekara, A. and Ravindrachary, V. and Gopal, S. (1990) Positron-annihilation studies on nasicon analogs containing cation vacancies. Bulletin of Materials Science, 13 (3). pp. 211-216.