Abstract
By means of inelastic neutron scattering the contoursv=const. have been determined for the transverse acoustic phonon branch which is polarized in the mirror plane (bc-plane). The results show that in all directions effects of dispersion can be neglected forq≲0.5q max.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Eisenmenger, W., Dayem, A.H.: Phys. Rev. Lett.18, 125 (1967)
Weis, O.: Z. Angew. Phys.26, 325 (1969)
Kinder, H.: Phys. Rev. Lett.28, 1564 (1972)
Weis, O.: Proceedings of the conference on “Phonon Scattering in Solids” (Nottingham 1975) New York: Plenum Publishing Corporation 1976
Grill, W., Weis, O.: Phys. Rev. Lett.35, 588 (1975)
Bialas, H., Weis, O., Wendel, H.: Phys. Lett.43A, 97 (1973)
Bialas, H., Stolz, H.J.: Z. Physik B21, 319 (1975)
Rösch, F., Weis, O.: Z. Physik B25, 101 (1976)
Portigal, D.L., Burstein, E.: Phys. Rev.170, 673 (1968)
Kappus, W.: Z. Physik B21, 325 (1975)
Bernstein, B.T.: J. Appl. Phys.34, 169 (1963)
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Bialas, H. Contours of constant phonon energies in thebc-plane of sapphire (Al2O3) by means of inelastic neutron scattering. Z Physik B 27, 121–123 (1977). https://doi.org/10.1007/BF01313600
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01313600