| Numéro |
J. Physique Lett.
Volume 36, Numéro 5, mai 1975
|
|
|---|---|---|
| Page(s) | 153 - 156 | |
| DOI | https://doi.org/10.1051/jphyslet:01975003605015300 | |
J. Physique Lett. 36, 153-156 (1975)
DOI: 10.1051/jphyslet:01975003605015300
Institut für Theoretische Physik der Universität Frankfurt, D-6 Frankfurt/M., Germany
6320D - Phonon states and bands, normal modes, and phonon dispersion.
6470K - Solid solid transitions.
8130H - Constant composition solid solid phase transformations: polymorphic, massive, and order disorder.
Key words
lattice phonons -- solid state phase transformations -- a 15 compounds -- electronic d band redistribution processes -- structural phase transition -- phonon dispersion -- dynamic structure factor
DOI: 10.1051/jphyslet:01975003605015300
Dynamics of structural phase transition in a 15-compounds
R. Kragler et H. ThomasInstitut für Theoretische Physik der Universität Frankfurt, D-6 Frankfurt/M., Germany
Abstract
It is shown that electronic d-band redistribution processes have a strong effect on the phonon dispersion and on the dynamic structure factor.
Résumé
On montre que des processus liés à des redistributions électroniques dans la bande d ont une forte influence sur la dispersion des phonons et le facteur de structure dynamique.
6320D - Phonon states and bands, normal modes, and phonon dispersion.
6470K - Solid solid transitions.
8130H - Constant composition solid solid phase transformations: polymorphic, massive, and order disorder.
Key words
lattice phonons -- solid state phase transformations -- a 15 compounds -- electronic d band redistribution processes -- structural phase transition -- phonon dispersion -- dynamic structure factor