PHONON DISPERSION RELATIONS DATABASE
Si
Space group: Fd-3m, No=227
Structural Parameters [1]: a=5.4309A
| Atoms |
x |
y |
z |
| Si |
0.0000 |
0.0000 |
0.0000 |
Phonon dispersion relations measured by neutron scattering [2] and calculated from bond-charge model with 4 parameters
(full lines) and
force constant model with 6 parameters (dashed lines) [3,4].
References
- 1. W.M.Yim and R.J.Paff,
J.Appl.Phys., New York
45 3, 1456-57 (1974).
- 2. W.Weber,
Phys. Rev .B 15, 4789 (1977).
- 3. G.Dolling, Inelastic Neutron Scattering
Vol.2 (IAEA Vienna 1965) p. 37.
- 4. T.Soma, Phys.stat.sol. (b) 76, 753 (1976).
