Superconductivity of ZrRuSi prepared at high pressure

Ichimin Shirotani; Kenji Tachi; Keiki Takeda; Sakae Todo; Takehiko Yagi; Kazushi Kanoda

doi:10.1103/PhysRevB.52.6197

← Back to search

Superconductivity of ZrRuSi prepared at high pressure

Ichimin Shirotani, Kenji Tachi, Keiki Takeda, Sakae Todo, Takehiko Yagi, Kazushi Kanoda

DOI 10.1103/PhysRevB.52.6197 · Physical Review B

T1

Active bibliographic source — not scientific approval

Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.

Abstract

Hexagonal ZrRuSi with the Fe2P-type structure (h-ZrRuSi) and orthorhombic ZrRuSi with the Co2P-type form (o-ZrRuSi) were prepared at high temperatures and high pressures. These metal silicides are interesting layer compounds. A resistivity of ZrRuSi was measured at low temperatures. The superconductivity was observed between 7–12 K for h-ZrRuSi and between 3–5 K for o-ZrRuSi. These silicides are superconductors. The resistivity of h-ZrRuSi and h-ZrRuP was measured at various constant temperatures as a function of applied magnetic field. The upper critical field (Hc2) obtained from resistance vs magnetic field curves was 1 tesla at 0 K for h-ZrRuSi. This is a surprisingly small value. On the contrary, h-ZrRuP has large Hc2 of 17.5 tesla at 0 K. The physical properties of these superonductors are discussed.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
ZrRuSi Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	12	Pressure not reported	onset
ZrRuSi Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	12	Pressure not reported	onset
ZrRuSi Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	5	Pressure not reported	onset
ZrRuSi Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	4	Pressure not reported	onset
ZrRuP Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	13	Pressure not reported	onset
ZrRuP Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	3.5	Pressure not reported	unknown
ZrRuAs Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	10	Pressure not reported	unknown
HfRuP Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	10	Pressure not reported	unknown
NbRhP Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	3.5	Pressure not reported	unknown
TaRhP Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	3.5	Pressure not reported	unknown