Lattice oscillations in crystals

Raman, C. V. ; Nedungadi, T. M. K. (1939) Lattice oscillations in crystals Nature, 143 (3625). p. 679. ISSN 0028-0836

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The ions or molecules occupying the cells of a crystal lattice are in general optically anisotropic, and should also be capable of executing small angular oscillations about their positions of equilibrium. If the crystal is illuminated by monochromatic light of frequency v, the local fluctuations in optical polarization produced by such oscillations should result in scattered radiations appearing with altered frequency, and theory indicates that these should exhibit peculiar polarization characters.

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Deposited On:04 Aug 2011 07:36
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