CHARACTERIZATION OF FERROELECTRIC MICROREGIONS IN KTAO3-NA

被引：5

作者：

BANFI, GP ^{[1
]}

CALVI, P ^{[1
]}

CAMAGNI, P ^{[1
]}

GIULOTTO, E ^{[1
]}

SAMOGGIA, G ^{[1
]}

机构：

[1] UNIV PAVIA,DEPT ELECTR,I-27100 PAVIA,ITALY

来源：

FERROELECTRICS | 1990年 / 106卷

关键词：

D O I：

10.1080/00150199008214573

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Low-frequency Raman scattering in the mixed perovskite KTaO3(Na 12%) is shown to give information on the correlation length of the local order parameter which is in agreement with that obtained by combined measurements of linear birefringence and second harmonic generation. Accordingly, the behavior of this system is interpreted in terms of a frustrated structural transition, characterized by freezing of the polar domain dimension (300Å) in the low temperature region. © 1990, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：143 / 148

页数：6

共 9 条

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