Overbending of the longitudinal optical phonon branch in diamond as evidenced by inelastic neutron and x-ray scattering
Overbending of the longitudinal optical phonon branch in diamond as evidenced by inelastic...
Kulda, J; Kainzmaier, H; Strauch, D; Dorner, B; Lorenzen, M; Krisch, M
2002-12-15 00:00:00
Overbending of the longitudinal-optical-phonon branch in diamond has been evidenced along all three principal directions by a joint inelastic neutron and x-ray experiment. The observed overbending of 1.5, 0.5, and 0.2 meV (along the Δ, Λ, and Σ directions, respectively) confirms previous ab initio lattice-dynamics calculations, thus providing experimental proof for the explanation of the anomalous peak in the two-phonon Raman spectrum.
http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.pngPhysical Review BAmerican Physical Society (APS)http://www.deepdyve.com/lp/american-physical-society-aps/overbending-of-the-longitudinal-optical-phonon-branch-in-diamond-as-lOhI6XZUQ2
Overbending of the longitudinal optical phonon branch in diamond as evidenced by inelastic neutron and x-ray scattering
Overbending of the longitudinal-optical-phonon branch in diamond has been evidenced along all three principal directions by a joint inelastic neutron and x-ray experiment. The observed overbending of 1.5, 0.5, and 0.2 meV (along the Δ, Λ, and Σ directions, respectively) confirms previous ab initio lattice-dynamics calculations, thus providing experimental proof for the explanation of the anomalous peak in the two-phonon Raman spectrum.
Journal
Physical Review B
– American Physical Society (APS)
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