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Optical absorption and electrical conductivity of flash evaporated CuGaTe2 thin films
J. L. Annapurna
Published in Springer India
1986
Volume: 26
   
Issue: 3
Pages: 269 - 276
Abstract
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. © 1986 the Indian Academy of Sciences.
About the journal
JournalData powered by TypesetPramana
PublisherData powered by TypesetSpringer India
ISSN03044289
Open AccessNo