Temperature dependence of the first-order Raman scattering by phonons in Si, Ge, and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>α</mml:mi><mml:mo>−</mml:mo><mml:mi mathvariant="normal">S</mml:mi><mml:mi mathvariant="normal">n</mml:mi></mml:math>: Anharmonic effects
J. Menéndez, M. Cardona·1984·Physical review. B, Condensed matter