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Effect of annealing on the photoconductivity of CdS:Yb crystals
Author(s) -
Bhushan S.,
Sharma S. K.
Publication year - 1988
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170231028
Subject(s) - photoexcitation , annealing (glass) , photoconductivity , photocurrent , materials science , excitation , spectral line , optoelectronics , metal , sulfur , analytical chemistry (journal) , chemistry , physics , metallurgy , chromatography , quantum mechanics , astronomy
Annealing in air produces less photocurrent and a small I PC / I DC ratio compared to those of unannealed CdS:Yb crystals. Annealing in sulfur makes the crystals very conducting without any increase due to photoexcitation. Annealing in presence of Cd metal makes the photo‐response quite fast. Results of photoconductivity excitation spectra are also presented and discussed.