Isotope effect in hydrogen-bonded crystals with asymmetric O-H-O type bond

被引：4
|
作者：
Fuchigami, M [1 ]
Itoh, K [1 ]
机构：
[1] Hiroshima Univ, Fac Sci, Dept Mat Sci, Higashihiroshima 739, Japan
来源：
FERROELECTRICS | 1997年 / 203卷 / 1-4期
关键词：
isotope effect; hydrogen bond; phase transition;
D O I：
10.1080/00150199708012853
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The relation between the H atom position in the O-H-O type hydrogen bond and a large increase of the phase transition temperature by deuteration is studied on the basis of the crystal structure data. We find a clear tendency that the symmetric hydrogen bond promotes this isotope effect, while the asymmetric hydrogen bond suppresses this effect as far as the hydrogen bond which combines the tetrahedral groups is concerned.
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页码：279 / 288
页数：10
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