INTERSUBBAND TRANSITIONS IN PIEZOELECTRIC SUPERLATTICES

被引：6

作者：

BROZAK, G

SHANABROOK, BV

GAMMON, D

BROIDO, DA

BERESFORD, R

WANG, WI

机构：

[1] BOSTON COLL,CHESTNUT HILL,MA 02167

[2] COLUMBIA UNIV,NEW YORK,NY 10027

来源：

SURFACE SCIENCE | 1992年 / 267卷 / 1-3期

关键词：

D O I：

10.1016/0039-6028(92)91103-I

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Charge-density and spin-density intersubband transitions of electrons in [100] and [111] GaSb/AlSb multiple quantum wells have been measured with inelastic light scattering. These measurements indicate that large built-in electric fields exist in the [111] oriented samples because of the piezoelectric effect. Furthermore, these built-in fields can be screened by the optical generation of an electron-hole plasma.

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页码：120 / 123

页数：4

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