Electronic structure of superconducting compounds h−ZrRuX (X=P,As,Si)
Izumi Hase
DOI 10.1103/PhysRevB.65.174507 · Physical Review B
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Abstract
The electronic energy-band structures of ordered Fe2P-type intermetallic superconducting compounds ZrRuX (X=P,As,Si) have been calculated by the full-potential linearized augmented plane-wave method within the local-density approximation. The calculated density of states at the Fermi level D(EF) is very close to the experiment. An increase of about 4% in the of Ru-Ru distance in ZrRuP causes a 20% increase in D(EF), which demonstrates the importance of the Ru-Ru distance in the electronic structure of ZrRuX. This is reflected in the electronic structure of ZrRuAs. The calculated D(EF) of ZrRuSi is about one-half that of ZrRuP.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| ZrRuP Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 12.5 | Pressure not reported | unknown |
| ZrRuAs Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 12.5 | Pressure not reported | unknown |
| ZrRuSi Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 12.5 | Pressure not reported | unknown |
| MoRuP Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 16 | Pressure not reported | unknown |
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