DIRECTIONAL DISPERSION OF EXTRAORDINARY PHONONS IN LAYER COMPOUND INSE

被引:23
作者
KURODA, N
NISHINA, Y
机构
[1] The Research Institute for Iron, Steel and Other Metals, Tohoku University, Sendai
关键词
D O I
10.1016/0038-1098(79)91154-2
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The resonant Raman scattering of polar optical phonons has been measured in trigonal γ-InSe at the E'1 exciton edge. The two-phonon scattering spectrum widely spreads over the frequency range of 50 cm-1 with an extremely asymmetric lineshape. This spectrum has been interpreted in terms of the directional dispersion of extraordinary LO and TO phonons. © 1979.
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页码:95 / 98
页数:4
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