A critical test of vibrational dephasing theories in solids using spontaneous Raman scattering in isotopically mixed crystals
作者： S. Marks , P. A. Cornelius , C. B. Harris
DOI: 10.1063/1.440565
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摘要: A series of experiments have been conducted in order to evaluate the relative importance several recent theories vibrational dephasing solids. The are discussed briefly, and used interpret temperature dependence C–H C–D stretch bands spontaneous Raman spectra h14‐ d14‐1,2,4,5‐tetramethyl benzene (durene). infrared these same molecules also reported region combination involving (or C–D) stretches low‐frequency modes. results support applicability model Harris et al., [C. B. Harris, R. M. Shelby P. A. Cornelius, Phys. Rev. Lett. 38, 1415 (1977); Chem 57, 8 (1978); Shelby, C. J. Chem. 70, 34 (1979)], based on energy exchange anharmonically coupled This theory is then used, connection with obtained isotopically mixed samples durene, elucidate dynamics underlying de...
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