PHONON DISPERSION RELATIONS DATABASE
UO_2
Space group: Fm-3m, No=225
Structural Parameters [1]: a=5.470A
| Atoms |
x |
y |
z |
| O |
0.2500 |
0.2500 |
0.2500 |
| U |
0.0000 |
0.0000 |
0.0000 |
Phonon dispersion relations measured by neutron scattering [2] and calculated from rigid ion model with 7 parameters
(dashed lines) and
shell model with 11 parameters (solid lines) [3].
References
- 1. M.T.Hutchings,
J.Chem.Soc., Farraday Trans. 2
83, 1083-1103 (1987).
- 2. G.Dolling R.A.Cowley, A.D.B.Woods,
Can.J.Phys. 43, 1397 (1965).
- 3.R.A.Cowley and G.Dolling,
Phys.Rev.167, 464 (1968).
