Nonlinear piezoelectricity: The effect of pressure on CdTe

被引：31

作者：

Andre, R ^{[1
]}

Cibert, J ^{[1
]}

Dang, LS ^{[1
]}

Zeman, J ^{[1
]}

Zigone, M ^{[1
]}

机构：

[1] MAX PLANCK INST FESTKORPERFORSCH,CNRS,LAB PHYS MAGNET INTENSES,F-38042 GRENOBLE,FRANCE

来源：

PHYSICAL REVIEW B | 1996年 / 53卷 / 11期

关键词：

D O I：

10.1103/PhysRevB.53.6951

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report the observation of nonlinear piezoelectricity under hydrostatic pressures in a semiconductor. Optical measurements were carried out on CdTe-based piezoelectric quantum wells. At 2.7 GPa the field is changed by a factor of 2, as the result of a strong variation of the piezoelectric coefficient. Such a piezoelectric effect arises because the ionic and electronic contributions to the total polarization nearly cancel, as predicted by a recent ab initio calculation. Similar effects are expected in ZnTe, ZnSe, and InAs, where this near cancellation also occurs.

引用

页码：6951 / 6954

页数：4

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