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Charge Transport in Nanoglasses of Phase-Change Memory

  • Mark Alexander Simon (a1), Marco Nardone (a2), sergey Kostylev (a3), Ilya V. Karpov (a4) and Victor G. Karpov (a5)...

Abstract

We discuss possible mechanisms for Poole-Frenkel type of non-ohmic conduction in chalcogenide glasses in the range of room temperatures. Overall, we list 8 such mechanisms, only one of which (Schottky emission) can be ruled out as inconsistent with the observations. Seven others can give more or less satisfactory fits of the observed non-linear IV curves. Our analysis calls upon indicative facts that would enable one to discriminate between the various alternative models.

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