Electronic and Phase Stability Properties of V-X (X = Pd, Rh, Ru) Alloys

Published

August 1, 2004

Author(s)

P E. Turchi, Richard M. Waterstrat, R Kuentzler, V Drchal, J Kudrnovsky

Abstract

In this work, we focus on the ordered structures of V-X systems, where X = Ru, Rh, Pd, and relate the variation in the difference of the numbers of valence electrons of the alloy constituents to the information contained in the constitution phase diagrams, and the electronic and stability properties. The electronic properties deduced from the low-temperature specific heat studies are presented for the V-Ru and V-Rh systems and compared with those of the V-Pd alloys for which new experimental results are also included. The theoretical analysis based on first-principles electronic structure calculations confirms the measured variation of the electronic specific heat coefficients with alloy composition, and predicts specific ordering trends in the V-X systems. The superconducting properties are describedfor the V-X disordered alloys, the ordered V1-(alphaRh(alpha) and V1(1-alpha)Ru(alpha) systems, and related to their structural instability.

Citation

Journal of the Physical Society of Japan

Volume

16

Issue

No. 30

Pub Type

Journals

Keywords

band structure calculations, disordered alloys, electronic structure, ordered alloys, specific heat coefficients, structural instability, vanadium alloys

Citation

Turchi, P. , Waterstrat, R. , Kuentzler, R. , Drchal, V. and Kudrnovsky, J. (2004), Electronic and Phase Stability Properties of V-X (X = Pd, Rh, Ru) Alloys, Journal of the Physical Society of Japan (Accessed April 26, 2024)