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Magnetic properties of amorphous MnxPd82−xGe18 alloys

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Czechoslovak Journal of Physics B Aims and scope

Abstract

Magnetoresistivity, magnetic, susceptibility and high field magnetization measurements were performed on the amorphous Mn x Pd82–x Ge18 alloys for 1≦x≦7. These amorphous alloys were prepared by radio frequency (R. F.) sputtering using argon, depositing onto fused quartz substrates to a thickness of about 20 microns. The negative magnetoresistivity is approximately proportional to the square of the magnetization and the susceptibility obeying the Curie-Weiss law between 18 and 293 K. These results lead to the conclusion that a Kondo-type s-d exchange interaction exists in the amorphous Mn-Pd-Ge alloys and the d-d, spin correlation between magnetic atoms is, in general, weaker in the amorphous alloys than in the corresponding crystalline alloys.

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Authors and Affiliations

  1. Faculty of Physics, Babes-Bolyai University, 3400, Cluj - Napoca, Romania

    Gh. Ilonca

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  1. Gh. Ilonca
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Ilonca, G. Magnetic properties of amorphous MnxPd82−xGe18 alloys. Czech J Phys 28, 1132–1137 (1978). https://doi.org/10.1007/BF01602802

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  • DOI: https://doi.org/10.1007/BF01602802

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