EPR STUDY OF THE FERROELASTIC TRANSITION IN KD3(SEO3)2

被引：2

作者：

MACHADODASILVA, JC ^{[1
]}

CHAVES, AS ^{[1
]}

GAZZINELLI, R ^{[1
]}

RIBEIRO, GM ^{[1
]}

BLINC, R ^{[1
]}

CEVC, P ^{[1
]}

SRINIVASAN, R ^{[1
]}

机构：

[1] UNIV LJUBLJANA, INST JOZEF STEFAN, YU-61000 LJUBLJANA, YUGOSLAVIA

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1979年 / 47卷 / 03期

关键词：

D O I：

10.1143/JPSJ.47.1021

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electron paramagnetic resonance spectra of the SeO2 centers in KD3(SeO3)2 demonstrate that the phase transition in this system is associated with an ordering of the O-H(2)-O hydrogens and a small rotation of the SeO3 groups around the a-axis with the angle of rotation being proportional to the order parameter. The ferroelastic transition is thus triggered by a soft optic deuteron-lattice mode of B3g symmetry inducing the acoustic C44 instability. © 1979, THE PHYSICAL SOCIETY OF JAPAN. All rights reserved.

引用

页码：1021 / 1022

页数：2

共 11 条

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