Deuteration induced phase transition in hydrogen bond

被引：14

作者：

Totsuji, C

Matsubara, T

机构：

[1] Okayama Univ, Dept Elect & Elect Engn, Okayama 700, Japan

[2] Inst Condensed Matter Theory, Kyoto 606, Japan

来源：

SOLID STATE COMMUNICATIONS | 1998年 / 105卷 / 12期

关键词：

ferroelectrics; phase transitions;

D O I：

10.1016/S0038-1098(97)10234-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The phase transition induced by deuteration of an isolated hydrogen bond is investigated by quantum-mechanical analysis of a model lattice composed of many hydrogen-bonded dimers. When the lattice constant and hydrogen bond length are in a certain domain, deuteration of hydrogen bonds induces a phase transition from paraelectric to ferro/antiferroelectric state and its transition temperature can be as high as 100 K. This model calculation agrees well with reported experimental results. (C) 1998 Elsevier Science Ltd.

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页码：731 / 733

页数：3

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