Weak-localization and Coulomb-interaction effects in hydrogen-doped Zr-Ni and Zr-Cu metallic glasses

I. Kokanović, B. Leontić, and J. Lukatela
Phys. Rev. B 41, 958 – Published 15 January 1990
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Abstract

Measurements are described and the results presented for the temperature and magnetic field dependence of the electrical conductivity and for the magnetic susceptibility of Zr-Ni and Zr-Cu metallic glasses doped with hydrogen. Hydrogen is found to reduce both the effective electron diffusion constant and the screening of the Coulomb interaction which leads to a decrease in the conductivity, suppression of the superconducting transition temperature, and to an enhancement of the spin susceptibility at low temperatures. The relative contributions of the spin-orbit and the Maki-Thompson interaction to the magnetoresistivity are also depressed. It is shown that the theoretical models of weak localization and Coulomb interaction provide both a good qualitative and quantitative description of the anomalous temperature and field dependence of the measured properties.

  • Received 10 July 1989

DOI:https://doi.org/10.1103/PhysRevB.41.958

©1990 American Physical Society

Authors & Affiliations

I. Kokanović and B. Leontić

  • Department of Physics, Faculty of Science, University of Zagreb, P.O. Box 162, Zagreb, Yugoslavia

J. Lukatela

  • Institute of Physics of the University, P.O. Box 304, Zagreb, Yugoslavia

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Vol. 41, Iss. 2 — 15 January 1990

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