ROLE OF THE COULOMB INTERACTION ON THE FERROELECTRIC INSTABILITY OF BARIUM TITANATE

被引：5

作者：

Ghosez, P. H. ^{[1
]}

Gonze, X. ^{[1
]}

Michenaud, J. -P. ^{[1
]}

机构：

[1] Univ Catholique Louvain, Lab Physicochim & Phys Mat, B-1348 Louvain, Belgium

来源：

FERROELECTRICS | 1996年 / 186卷

关键词：

D O I：

10.1080/00150199608218036

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Born effective charges and dielectric tensor of barium titanate are obtained from first-principles calculations. The nature of large effective charges and their influence on the structural instability responsible of the ferroelectric phase transitions are discussed.

引用

页码：73 / 76

页数：4

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