PHONON DISPERSION RELATIONS DATABASE
PbTe
Space group: Fm-3m, No=225
Structural Parameters [1]: a=6.462(1)A
| Atoms |
x |
y |
z |
| Pb |
0.0000 |
0.0000 |
0.0000 |
| Te |
0.5000 |
0.5000 |
0.5000 |
Phonon dispersion relations measured by neutron scattering [2] and calculated from shell model with 13 parameters
(full lines) and
force constant model with 7 parameters (dashed lines) [3].
References
- 1.Y.Noda et all, Acta Crystall. B 39B, 312-17 (1983).
- 2.W.Cochran, R.A Cowley, G.Dolling, M.M.Elcombe,
Proc.Roy.Soc.
(London) A 293, 433 (1966).
- 3. H.A.Alperin, S.J.Pickart, J.J.Rhyne, V.J.Minkiewicz,
Phys.Lett. A
40, 295 (1972).
