Pressure dependence of intramolecular mode frequencies in solid , , and C
- 15 May 1983
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 27 (10) , 6439-6445
- https://doi.org/10.1103/physrevb.27.6439
Abstract
A microscopic description of the pressure dependence of intramolecular vibrational modes in simple molecular crystals has been formulated using a classical perturbation theory. Quantitative agreement with experiment is demonstrated and it is shown that frequency changes at phase transitions are large enough to be observed optically.Keywords
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