Temperature dependence of the 7Li quadrupole constant in LiTaO3

被引：5

作者：

Charnaya, EV ^{[1
]}

Kasperovich, VS

Palatnikov, MN

Shelyapina, MG

Tien, C

Wur, CS

机构：

[1] St Petersburg State Univ, Inst Phys, St Petersburg 198904, Russia

[2] KSC RAN, Inst Chem, Apatity, Russia

[3] Natl Cheng Kung Univ, Dept Phys, Tainan 70101, Taiwan

来源：

FERROELECTRICS | 1999年 / 234卷 / 1-4期

基金：

俄罗斯基础研究基金会;

关键词：

NMR; LiTaO3; quadrupole coupling constant; model of point multipoles;

D O I：

10.1080/00150199908225296

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Li-7 qundrupole coupling constant in the LiTaO3 single crystal has been measured within the temperature range 160 to 460 K. The electric field gradient at the lithium site has been computed by using the model of point multipoles taking into account the polarizability of oxygen ions. The increase of the quadrupole constant with increasing temperature has been treated as a result of temperature alterations in positional parameters.

引用

页码：223 / 234

页数：12

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