Inelastic light scattering in the presence of uniaxial stresses
作者:
Evangelos Anastassakis,
期刊:
Journal of Raman Spectroscopy
(WILEY Available online 1981)
卷期:
Volume 10,
issue 1
页码: 64-76
ISSN:0377-0486
年代: 1981
DOI:10.1002/jrs.1250100112
出版商: John Wiley&Sons, Ltd.
数据来源: WILEY
摘要:
AbstractWhen a crystal is subject to a uniaxial stress, the Raman spectrum of various phonons may exhibit changes in the scattering intensity and also shifts of the frequencies and splittings of the degeneracies of the optical phonons. Valuable information can be obtained from such studies regarding the electronic band structure, the scattering mechanism, and the elastic and lattice‐dynamical properties of the material. The basic theoretical and experimental facts related to such effects are briefly reviewed in this contribution. Other possibilities are also discussed which demonstrate the usefulness of a uniaxial stress as a controlled perturbation in the study of crystalline matter by use of light scattering technique
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