Abstract
This paper reports the temperature dependence of d.c. and a.c. conductivity in the glassy alloys of Se70Te30 and Se70Te28M2 (M = Cd, Sb, Zn). The role of the Cd, Sb, Zn elements as foreign atoms has been examined on the d.c./a.c. conduction and photoconduction in binary Se70Te30 glass. These multi-component chalcogenide glasses have been prepared by conventional, cost-effective and well-known melt-quench technique. Thermally activated a.c. conduction shows the presence of the compensation effect that is confirmed by the Meyer–Neldel relation between the associated activation energy and the pre-factor of a.c. conductivity. The metal-induced effects of Cd, Sb, Zn on the photosensitivity of parent glass are also discussed.
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Acknowledgments
The author (A. Dahshan) gratefully thanks the Deanship of Scientific Research at King Khalid University for financial support through research groups program under grant number (R.G.P.2/34/40). NM wishes to acknowledge the financial assistance received under University with Potential for Excellence (UPE) Programme of UGC, New Delhi, India (Scheme No. 4204).
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Saraswat, S., Tomar, V.K., Mehta, N. et al. Study of Metal-Induced Effects of Cd, Sb and Zn on d.c./a.c. Conduction and Photoconduction in Binary Se70Te30 Glass. J. Electron. Mater. 49, 861–868 (2020). https://doi.org/10.1007/s11664-019-07739-w
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DOI: https://doi.org/10.1007/s11664-019-07739-w