RAMAN-SPECTRA OF IN1-XGAXP UNDER HIGH-PRESSURE

被引:2
作者
NAKAHARA, J
KATO, T
MINOMURA, S
ISHIDA, T
机构
[1] Dept. of Phys., Hokkaido Univ., Sapporo
关键词
D O I
10.1088/0268-1242/6/6/015
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The phonon modes in In1-xGa(x)P (InGaP) were investigated under high pressure by Raman scattering spectroscopy. In InGaP a pressure-induced structure was observed between LO and TO modes. The origin of this structure is discussed by means of dielectric analysis, pressure dependence and composition dependence. We conclude that a part of the high energy side of this additional structure is caused by a disorder-activated zone boundary optical phonon.
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页码:496 / 499
页数:4
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