PHONON DISPERSION RELATIONS DATABASE
CaF2
Space group: Fm-3m, No=225
Structural Parameters [1]: a=5.462A
| Atoms |
x |
y |
z |
| Ca |
0.0000 |
0.0000 |
0.0000 |
| F |
0.2500 |
0.2500 |
0.2500 |
Phonon dispersion relations measured by neutron scattering
and calculated from
13 parameters shell model (full lines) and rigid ion
model with 7 parameters (dashed lines) [2].
References
- 1. W.Bragg,
Proc. of the Royal Soc. of London A
89A, 468-489 (1914).
- 2. M.M.Elcombe, A.W.Pryor,
J.Phys. C 3, 492 (1970).
