ZERO-MAGNETIC-FIELD SPIN SPLITTING IN THE GAAS CONDUCTION-BAND FROM RAMAN-SCATTERING ON MODULATION-DOPED QUANTUM-WELLS

被引：118

作者：

JUSSERAND, B

RICHARDS, D

PERIC, H

ETIENNE, B

机构：

[1] UNIV CAMBRIDGE,CAVENDISH LAB,CAMBRIDGE CB3 0HE,ENGLAND

[2] FRAUNHOFER INST,ANGEW FESTKOPPEPHYS,W-7800 FREIBURG,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.69.848

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present Raman scattering spectra of intrasubband excitations in an n-type modulation-doped single quantum well. We attribute a double peak in the depolarized spectra to be due to spin-flip single-particle transitions. This gives direct spectroscopic evidence at zero applied magnetic field of the spin splitting of the conduction band of GaAs due to the lack of inversion symmetry in zinc-blende compounds.

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页码：848 / 851

页数：4

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