Electron transport in La100-xAlx metallic glasses

Creators: Delgado, R.; Armbrüster, H.; Naugle, D. G.; Tsai, C. L.; Johnson, W. L.; Williams, Arthur

Abstract

Values of the electrical resistivity, temperature coefficient of resistivity, thermopower, and superconducting transition temperature for a series of La100-xAlx metallic glasses prepared both as "splat-cooled" foils and "melt-spun" ribbons are reported. Differences between the two types of samples are discussed. We argue that the dominant contribution to the conductivity and thermopower is from La d states.

Additional Information

©1986 The American Physical Society Received 18 April 1986 This work was supported by the National Science Foundation (under Grant No. DMR-84-19374), the Robert A. Welch Foundation (Houston, TX), and the Center for Energy and Minerals Resources at Texas A&M University, by the U.S. Air Force Office of Scientific Research (under Contract No. C0076)F48620-86-C0076) at Northeastern University, and by the U.S. DEpartment of Energy (Contract No. DE-AM03-76SS00767) at California Institute of Technology. D.G.N. gratefully acknowledges the hospitality of the Phyikaliches Institute, Universität Karlsruhe (TH) during the preparation of this manuscript. Particular thanks go to J. Hasse for being such a gracous host and to W. Buckel and F. Baumann for helpful discussions of this work.

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