Second-Order Raman Spectrum of Germanium
Physical review. B, Solid state1973Vol. 7(6), pp. 2545–2551
Citations Over TimeTop 10% of 1973 papers
Abstract
The second-order Raman spectrum of crystalline germanium has been observed. Measurements were performed for several incident- and scattered-light polarizations so as to separate the three independent components of the Raman tensor. Interpreted in the light of recent neutron-scattering work by Nelin and Nilsson, the ${\ensuremath{\Gamma}}_{1}$ spectrum corresponds to overtone two-phonon processes. Overtone and combination processes are seen for the ${\ensuremath{\Gamma}}_{25}$, and ${\ensuremath{\Gamma}}_{12}$ components.
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