Title

Quantum Corrections To The Electronic Transport-Properties Of The Free-Electron Metallic-Glass Mgzn

Title - Alternative

J. Phys.-Condes. Matter

Keywords

Spin-Orbit Interaction; Weak Localization; Conduction Electrons; Disordered-Systems; Magnetic-Field; Zn Alloys; Magnetoresistance; Transition; Films; Superconductors; Physics, Condensed Matter

Abstract

The conductivity and the Hall effect of three-dimensional MgxZn100-x glasses are studied as a function of magnetic field (0 less-than-or-equal-to B less-than-or-equal-to 6 Tesla), temperature (1.5 < T < 100 K) and concentration (x = 67, 72 and 77). The magnetoconductivity DELTA-sigma(T, B) provides evidence for quantum corrections to the Boltzmann equation. It is in quantitative agreement with perturbation theories, when contributions due to quantum interference, electron-electron interaction and superconducting fluctuations are taken into account. The spin-orbit scattering field increases with the Zn concentration from 0.086 Tesla (Mg77Zn23) to 0.13 Tesla (Mg67Zn33). The temperature and concentration dependence of the Hall coefficient are also consistent with the nearly-free-electron model when quantum corrections are included.

Publication Title

Journal of Physics-Condensed Matter

Volume

4

Issue/Number

13

Publication Date

1-1-1992

Document Type

Article

Language

English

First Page

3479

Last Page

3490

WOS Identifier

WOS:A1992HM84900011

ISSN

0953-8984

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