The bandstructure of rhodium, its groundstate and the effects of change of volume

Muhammad Yahaya, G. C. Fletcher

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Bandstructure calculations have been carried out for rhodium for the normal value of the lattice constant and one 5% larger, using Hubbard's method (1969). The results of the first calculation compare well with those of other workers and with X-ray photoemission measurements, while comparison with specific heat measurements suggest an electron-phonon interaction enhancement parameter lambda of 0.48. The approximate theory of Ratti and co-workers (1974) gives a much lower value of lambda =0.22 and comparison with experiment of the corresponding values predicted for the superconducting transition temperature Tc fails to decide between the two values. From the two band calculations values are calculated for dTc/dV and it is predicted qualitatively that Tc will increase under pressure. With regard to the magnetic character of the groundstate it is confirmed that this will not be ferromagnetic according to the Stoner criterion, even in the expanded state.

Original languageEnglish
Article number010
Pages (from-to)1295-1305
Number of pages11
JournalJournal of Physics F: Metal Physics
Volume9
Issue number7
DOIs
Publication statusPublished - 1979
Externally publishedYes

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Rhodium
rhodium
Thermal variables measurement
Electron-phonon interactions
Photoemission
electron phonon interactions
Superconducting transition temperature
Lattice constants
Specific heat
photoelectric emission
heat measurement
transition temperature
specific heat
rocks
X rays
augmentation
x rays
Experiments

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)
  • Metals and Alloys

Cite this

The bandstructure of rhodium, its groundstate and the effects of change of volume. / Yahaya, Muhammad; Fletcher, G. C.

In: Journal of Physics F: Metal Physics, Vol. 9, No. 7, 010, 1979, p. 1295-1305.

Research output: Contribution to journalArticle

Yahaya, Muhammad ; Fletcher, G. C. / The bandstructure of rhodium, its groundstate and the effects of change of volume. In: Journal of Physics F: Metal Physics. 1979 ; Vol. 9, No. 7. pp. 1295-1305.
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