E. G. Ponyatovskii, I. O. Bashkin, V. G. Tissen, M. V. Nefedova, “Superconductivity of vanadium and vanadium-titanium alloys at high pressure”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2009, Volume 89, Issue 5,Pages <nobr>295

This article is cited in 5 papers

CONDENSED MATTER

Superconductivity of vanadium and vanadium-titanium alloys at high pressure

E. G. Ponyatovskii, I. O. Bashkin, V. G. Tissen, M. V. Nefedova

Institute of Solid State Physics, Russian Academy of Sciences

Abstract: The effect of pressure on the superconducting transition temperature T _c of vanadium and V₉₄Ti₆, V₈₅Ti₁₅, V₆₇Ti₃₃, and V₄₈Ti₅₂ (at %) bcc alloys has been studied. It has been found that the T _c(P) dependence of pure vanadium is close to linear in the pressure ranges 0–14 and 23–32 GPa, whereas dT _c/dP decreases to zero with a pressure increase in the 14–23 GPa range. The T _c(P) curves for all alloys are nonmonotonic and have two features in the respective pressure ranges of 3–11 and (a peak-shaped feature) 15–25 GPa.

PACS: 74.62.Fj, 74.70.Ad

Received: 11.01.2009
Revised: 29.01.2009