Volume 128, Issue 1 pp. 197-202
Original Paper
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Magnetic and Electrical Investigations of Amorphous Alloys AxCo80−xB20 (A = B, Al, Si, and Ni)

K. Pękała

K. Pękała

Institute of Physics, Warsaw Technical University

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M. Pękała

M. Pękała

Department of Chemistry, University of Warsaw

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U. Mlzutani

U. Mlzutani

Department of Crystalline Materials Science, Nagoya University

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M. Hasegawa

M. Hasegawa

Department of Crystalline Materials Science, Nagoya University

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P. Jaśkiewicz

P. Jaśkiewicz

Institute of Physics, Warsaw Technical University

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R. Trykozko

R. Trykozko

Institute of Physics, Warsaw Technical University

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First published: 16 November 1991
Citations: 2

Chodkiewicza 8, PL-02-524 Warsaw, Poland.

Furo-cho, Chikusa-ku, Nagoya 464–01, Japan.

Abstract

en

Investigations of the temperature dependence of magnetization of amorphous rapidly quenched alloys AxCo80−xB20 (A = B, Al, Si, and Ni) reveal that a substitution of Co by Al and Si atoms causes a faster suppression of magnetization as compared with the Ni substituted alloys. A temperature variation of the electrical resistivity shows that its structural component dominates over the magnetic one. A overwhelming diffusional contribution to the thermoelectric power is found.

Abstract

de

Untersuchungen der Temperaturabhängigkeit der Magnetisierung von amorphen, schnell abge-schreckten kxCo80−xB20 (A = B, Al, Si und Ni)-Legierungen zeigen, daß eine Substitution von Co durch Al- und Si-Atome eine schnellere Unterdrückung der Magnetisierung im Vergleich mit Ni-substituierten Legierungen verursacht. Eine Temperaturänderung des elcktrischen Widerstands zeigt, daß seine strukturelle Komponente über die magnetische dominiert. Ein überwiegender Diffusionsbeitrag zur Thermospannung wird gefunden.

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