| Issue |
J. Phys. I France
Volume 4, Number 12, December 1994
|
|
|---|---|---|
| Page(s) | 1867 - 1876 | |
| DOI | https://doi.org/10.1051/jp1:1994227 | |
J. Phys. I France 4 (1994) 1867-1876
Electronic structures and optical properties of some fluorite structured intermetallics
A. Gupta1, R. Sen Gupta2 and K. Goswami31 Department of Physics, Behala College, Parnasree, India
2 Department of Physics, St Paul's C M. College, India
3 Department of Physics, Jadavpur Umversity, Calcutta-700 032, India
(Received 28 January 1994, revised 30 June 1994, accepted 24 August 1994)
Abstract
The electronic energy band structures of three intermetallic compounds have been studied
using the composite wave variational version of the APW method. The band structure results of
PtIn
2 and IrSn
2 are compatible with other noble metal intermetallics. The densely
populated valence band region of AuSb
2 largely differs from that of PtIn
2 and other
intermetallics, but resemble those of AuGa
2 and provides an important basis for mterpretmg
vanous physical observables. The DOS, JDOS,
(
) spectra and Fermi
surfaces of the compounds calculated from the respective band structure data are different.
The difference is attributed to the dissimilar nature and position of the bands immediately
above and below the Fermi level.
© Les Editions de Physique 1994