PHONON DISPERSION RELATIONS DATABASE
GaAs
Space group: F-43m, No=216
Structural Parameters [1]: a=5.6553A
| Atoms |
x |
y |
z |
| Ga |
0.0000 |
0.0000 |
0.0000 |
| As |
0.2500 |
0.2500 |
0.2500 |
Phonon dispersion relations measured by neutron scattering [2] and calculated from shell model with 14 parameters
(full lines) and from shell model with 12 parameters (dashed lines) [3] .
References
- 1. P.Fischer et all, Kristall und Technik 7,
K5-K7 (1972).
- 2. L.J.T.Waugh and G.Dolling,
Phys.Rev. 132, 2410 (1963).
- 3. R.Banerjee and Y.P.Varshni,
Can.J.Phys. 47, 451 (1969).
