Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states

Kohara, Shinji; Kato, Kenichi; Kimura, Shigeru; Tanaka, Hitoshi; Usuki, Takeshi; Suzuya, Kentaro; Tanaka, Hiroshi; Moritomo, Yutaka; Matsunaga, Toshiyuki; Yamada, Noboru; Tanaka, Yoshihito; Suematsu, Hiroyoshi; Takata, Masaki

doi:10.1063/1.2387870

Public

Structural basis for the fast phase change of Ge2Sb2Te5: Ring statistics analogy between the crystal and amorphous states

Published in Applied Physics Letters • Nov 13, 2006

Authors:

Shinji Kohara

Kenichi Kato

Shigeru Kimura

Abstract

The three-dimensional atomic configuration of amorphous Ge2Sb2Te5 and GeTe were derived by reverse Monte Carlo simulation with synchrotron-radiation x-ray diffraction data. The authors found that amorphous Ge2Sb2Te5 can be regarded as “even-numbered ring structure,” because the ring statistics is do...

Subject

Amorphous solid

Crystallography

Ring (chemistry)

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