K V Reddy
Articles written in Pramana – Journal of Physics
Volume 14 Issue 3 March 1980 pp 219-222 Experimental Techniques
A cryostat for x-irradiation of solid samples at liquid air temperature is described. The design of the sample mount in the cryostat enables quick transfer of the sample after x-irradiation into EPR cavity to facilitate EPR study without warming the sample.
Volume 26 Issue 3 March 1986 pp 269-276 Solid State Physics
The optical absorption edge of CuGaTe2 thin films in the energy range 1 to 2·3 eV was studied. The characteristic band gaps were found to be 1·23 eV and 1·28 eV whereas the acceptor ionization energy was 170 meV. Electrical conductivity measurements were carried out in the temperature range 300–550 K and two acceptor states with ionization energies 400 meV and 140 meV were found. The origin of acceptor states is explained based on covalent model.
Volume 33 Issue 5 November 1989 pp 541-546 Instrumentation
Mass transport due to electromigration can be estimated if the diffusion coefficient
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