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Why only the phonon with $k=0$ contribute Raman intensity?

I have read some literature to know that Raman intensity corresponds to the inelastic scattering of light with ion vibrations, and the positions of Raman peak correspond to the energy of phonon. My ...
Andrew's user avatar
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0 votes
1 answer
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Diffraction peaks and Miller indices

How do we find out if a diffraction peak is observable using miller-indices?
ryan foot's user avatar