The folding of acoustic surface phonons occurring in certain diatomic crystals of nearly equal masses is studied experimentally by means of He atom inelastic scattering for the case of NaF(001) along the 110 direction. The nature of the folded surface modes is briefly discussed. © 1987 The American Physical Society.
Benedek, G., Miglio, L., Brusdeylins, G., Skofronick, J., Toennies, J. (1987). New evidence for the folding of surface phonon modes in quasimonatomic crystals from He time-of-flight measurements in NaF. PHYSICAL REVIEW. B, CONDENSED MATTER, 35(13), 6593-6596 [10.1103/PhysRevB.35.6593].
New evidence for the folding of surface phonon modes in quasimonatomic crystals from He time-of-flight measurements in NaF
BENEDEK, GIORGIO;MIGLIO, LEONIDA;
1987
Abstract
The folding of acoustic surface phonons occurring in certain diatomic crystals of nearly equal masses is studied experimentally by means of He atom inelastic scattering for the case of NaF(001) along the 110 direction. The nature of the folded surface modes is briefly discussed. © 1987 The American Physical Society.
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