Volume 75, Number 5, September 2006
|Page(s)||778 - 783|
|Section||Condensed matter: structural, mechanical and thermal properties|
|Published online||02 August 2006|
Anomalous electrical switching behaviour in phase-separated bulk chalcogenide glasses
Department of Instrumentation, Indian Institute of Science Bangalore 560012, India
Corresponding author: email@example.com
Accepted: 13 July 2006
Bulk, Se-rich () glasses show anomalous electrical switching behaviour which is attributed to difference in the thermal conductivities of 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 ions. Further, the leveling of threshold voltage () around , is associated with the percolation of phase in the Ge-Se matrix.
PACS: 61.43.Fs – Glasses / 64.75.+g – Solubility, segregation, and mixing; phase separation / 72.60.+g – Mixed conductivity and conductivity transitions
© EDP Sciences, 2006
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