Effect of silver doping on the electrical properties of a-Sb$_2$Se$_3$

Details Effect of silver doping on the electrical properties of a-Sb$_2$Se$_3$ Effect of silver doping on the electrical properties of a-Sb$_2$Se$_3$

2006-04-06

arxiv.org/abs/cond-mat/0604158v2

Journal of Non-Crystalline Solids, 353 (2007) 1315-1321

Physics

Condensed Matter

Materials Science

4 pages, 5 figures, Conference ISNOG 2006, IISc Bangalore(India)

Scientific paper

10.1016/j.jnoncrysol.2006.09.066

This paper reports the effect of Ag-doping on electrical properties of a-Sb2Se3 in the temperature range 240-340 K and frequency range 5 Hz to 100 kHz. The variation of transport properties with thermal doping has been studied. Ag-doping produced two homogeneous phases in the sample and 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' [=$\sigma_0$ exp ($\gamma$/k), where $\gamma$, is the temperature coefficient of the band gap] calculated from dc conductivity has been found to vary from 0.42 eV to 0.26 eV and 41.08x10$^-6$ to 2.902x10-6 $\ohm^{-1}$cm$^{-1}$ respectively. Ag-doping can be used to make the sample more useful in device applications.

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