Second-order Raman scattering in InAs
R Carles, N Saint-Cricq, JB Renucci, MA Renucci… - Physical Review B, 1980 - APS
R Carles, N Saint-Cricq, JB Renucci, MA Renucci, A Zwick
Physical Review B, 1980•APSThe second-order Raman spectra of crystalline InAs have been analyzed both at 100 and
330 K to obtain the three irreducible components of the Raman tensor (Γ 1, Γ 15, and Γ 12).
Γ 12 is found negligible. Γ 1 dominates the 2TA scattering, whereas other regions of the
spectra show both Γ 1 and Γ 15 symmetries. The Γ 1 component is compared with recent
calculations of the overtones of the two-phonon density of states based on an overlap-
valence-shell model. Good agreement is obtained. Although neutron data are not available …
330 K to obtain the three irreducible components of the Raman tensor (Γ 1, Γ 15, and Γ 12).
Γ 12 is found negligible. Γ 1 dominates the 2TA scattering, whereas other regions of the
spectra show both Γ 1 and Γ 15 symmetries. The Γ 1 component is compared with recent
calculations of the overtones of the two-phonon density of states based on an overlap-
valence-shell model. Good agreement is obtained. Although neutron data are not available …
Abstract
The second-order Raman spectra of crystalline InAs have been analyzed both at 100 and 330 K to obtain the three irreducible components of the Raman tensor (Γ 1, Γ 15, and Γ 12). Γ 12 is found negligible. Γ 1 dominates the 2TA scattering, whereas other regions of the spectra show both Γ 1 and Γ 15 symmetries. The Γ 1 component is compared with recent calculations of the overtones of the two-phonon density of states based on an overlap-valence-shell model. Good agreement is obtained. Although neutron data are not available, all the bands of the second-order Raman spectra are assigned.
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