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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