Threshold electrical switching in $As{_45}Te{_55-x}In{_x}$ and $As{_50}Te{_50-x}In{_x}$ glasses

Devaraju, JT and Sharmila, BH and Asokan, S and Acharya, KV (2002) Threshold electrical switching in $As{_45}Te{_55-x}In{_x}$ and $As{_50}Te{_50-x}In{_x}$ glasses. In: Applied Physics A: Materials Science & Processing, 75 (4). 515 -518.

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Abstract

The electrical switching behaviour of As45Te55-x In-x (5 less than or equal to x less than or equal to 15) and As50Te50-xInx (2.5 less than or equal to x less than or equal to 11.5) has been studied over a wide range of compositions. These glasses are found to exhibit threshold switching. The composition dependence of switching voltage (V-t) has been found to exhibit a change in slope and a local minimum at compositions x = 10 and 12.5 for As45Te55-xInx and x = 7.5 and 10.8 for As50Te50-xInx, respectively. The slope change in V-t verses x and the local minimum have been identified using two network topological effects, namely the rigidity percolation threshold and the chemical threshold.

Item Type:	Journal Article
Additional Information:	Copyright of this article belongs to Springer.
Department/Centre:	Division of Physical & Mathematical Sciences > Instrumentation and Applied Physics (Formally ISU)
Date Deposited:	20 Nov 2009 09:37
Last Modified:	23 Feb 2012 08:44
URI:	http://eprints.iisc.ernet.in/id/eprint/18364

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