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Effect of In additive on the electrical properties of Se–Te alloy
2004
Semiconductor Science and Technology
The electrical properties of Se 80-x Te 20 Bi x (x = 0, 2, 4, 6, 8) amorphous thin films prepared by thermal evaporation technique have been studied. The dark conductivity (σ d ), charge carrier concentration (n σ ) and photoconductivity (σ ph ) increases as the concentration of Bi additive increases upto x = 4 at. % in a-Se 80-x Te 20 Bi x thin films. The activation energy (ΔΕ) and photosensitivity (σ ph /σ d ) decreases sharply after Bi incorporation. As the Bi concentration further increases
doi:10.1088/0268-1242/20/1/017
fatcat:3rhtvl4hkfacxiraa76zpf6r4a