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A physics-based model of electrical conduction decrease with time in amorphous Ge2Sb2Te5

Published in Journal of Applied Physics • Apr 15, 2009
Authors:
Mattia Boniardi
,
Andrea Redaelli
,
A. Pirovano

Abstract

The time-stability of the electrical characteristics of chalcogenide materials is one of the most important issues for their use in nonvolatile solid state memory applications. In particular the electrical conduction of the glassy phase evolves with time due to two different physical phenomena: the ...

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