Effect of silver doping on the electrical properties of a-Sb2Se3

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Abstract

This paper reports the effect of Ag-doping on electrical properties of a-Sb2Se3 in the temperature range 230-340 K and frequency range 5-100 kHz. The variation of transport properties with thermal doping has been studied. Ag-doping produces two homogeneous phases in the sample, which are found to be voltage dependent in the temperature range studied and frequency dependent in lower frequency region (0.1-10 kHz). Activation energy Eg and C′ [= σ0 exp (γ/k), where γ, is the temperature coefficient of the band gap] calculated from dc conductivity has been found to vary from (0.42 ± 0.01) eV to (0.26 ± 0.01) eV and (4.11 ± 0.01) × 10-5 to (2.90 ± 0.02) × 10-6 Ω-1 cm-1 respectively. Ag-doping can be used to make the sample useful in device applications. © 2007 Elsevier B.V. All rights reserved.

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Gautam, S., Thakur, A., Tripathi, S. K., & Goyal, N. (2007). Effect of silver doping on the electrical properties of a-Sb2Se3. Journal of Non-Crystalline Solids, 353(13-15 SPEC. ISS.), 1315–1321. https://doi.org/10.1016/j.jnoncrysol.2006.09.066

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