Role of p-d hybridization in the Tc-variation of Y(Rh1-xRux)4B4 superconductors

H. C. Hamaker, S. D. Bader, G. Zajac, R. N. Shelton, A. J. Bevolo, Herng-Er Horng

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Auger and photoemission studies for Y(Rh1-xRux)4B4 superconductors elucidate the mechanism for the abrupt drop in Tc near x=0.5. The B p-states admix more strongly with Ru than Rh d-states, thereby yielding low-Tc values for Ru-rich compounds due to broadening of the d-band feutures. These effects underlie a previous suggestion that the preservation of Rh4 tetrahedral units is essential for high-Tc values in ternary boride compounds.

Original languageEnglish
Pages (from-to)589-591
Number of pages3
JournalSolid State Communications
Volume48
Issue number7
DOIs
Publication statusPublished - 1983 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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