PHONON DISPERSION RELATIONS DATABASE
TaSe_2
Space group: P6_3/mmc, No=194
Structural Parameters [1]: a=3.46(1)A
Atoms |
x |
y |
z |
Se1 |
1/2 |
2/3 |
0.0065 |
Se2 |
1/2 |
2/3 |
0.816 |
Ta1 |
0.0000 |
0.0000 |
0.0000 |
Ta2 |
0.0000 |
0.0000 |
1/4 |
Phonon dispersion relations measured by neutron scattering [2].
References
- 1. B.E. Brown and D.J.Beerntsen,
Acta Crystall. C
18, 31-36 (1965).
- 2. D.E.Moncton, J.D.Axe, F.J.DiSalvo,
Phys.Rev. B 16, 801 (1977).