Anomalous electrical switching behaviour in phase-separated bulk Ge-Se-Ag chalcogenide glasses

Pattanayak, Pulok and Asokan, S (2006) Anomalous electrical switching behaviour in phase-separated bulk Ge-Se-Ag chalcogenide glasses. In: Europhysics Letters, 75 (5). pp. 778-783.

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Abstract

Bulk, Se-rich $Ge_{0.15}Se_{0.85-x}Ag_x (0 \le \times\le 0.20)$ glasses show anomalous electrical switching behaviour which is attributed to difference in the thermal conductivities of $Ag_2S_e$ inclusions and GeSe base glass. The present results also show that there is a sharp drop in switching voltage with silver addition, which is due to the higher metallicity of silver and the presence of $Ag^+$ ions. Further, the leveling of threshold voltage $(V_T)$ around x = 0.10, is associated with the percolation of $Ag_2S_e$ phase in the Ge-Se matrix.

Item Type:	Journal Article
Publication:	Europhysics Letters
Publisher:	EDP Sciences
Additional Information:	Copyright of this article belongs to EDP Sciences.
Department/Centre:	Division of Physical & Mathematical Sciences > Instrumentation Appiled Physics
Date Deposited:	29 Aug 2006
Last Modified:	19 Sep 2010 04:31
URI:	http://eprints.iisc.ac.in/id/eprint/8401

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