OBSERVATION OF OPTICALLY DETECTED MAGNETOPHONON RESONANCE

被引：56

作者：

BARNES, DJ

NICHOLAS, RJ

PEETERS, FM

WU, XG

DEVREESE, JT

SINGLETON, J

LANGERAK, CJGM

HARRIS, JJ

FOXON, CT

机构：

[1] UNIV INSTELLING ANTWERP,B-2610 WILRIJK,BELGIUM

[2] CATHOLIC UNIV NIJMEGEN,HIGH FIELD MAGNET LAB,6525 ED NIJMEGEN,NETHERLANDS

[3] PHILIPS RES LABS,REDHILL RH1 5HA,SURREY,ENGLAND

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.66.794

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the first observation of the magnetophonon effect in the frequency-dependent conductivity of electrons in a polar semiconductor. The cyclotron-resonance position and linewidth oscillate as a function of magnetic field and show resonances for omega-LO almost-equal-to N-omega-c. The resonances grow rapidly with increasing temperature, giving a direct measure of the optic-phonon scattering rate. Good agreement is found with a one-electron theory of the absorption spectrum, showing that the oscillations have the same origin as magnetophonon-resonance oscillations in the resistivity.

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页码：794 / 797

页数：4

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