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Magnetic susceptibility of quasicrystalline Al65Cu22Fe13 powders

  • Quasicrystals
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Abstract

Magnetic properties of quasicrystalline Al65Cu22Fe13 powders synthesized by the solid-phase diffusion method via thermal treatment in vacuum or a hydrogen atmosphere have been studied. The powders synthesized in vacuum are found to contain a ferromagnetic fraction. The formation of iron oxide Fe3O4 is shown to be the most probable cause of the existence of this fraction. It is possible to avoid the formation of the ferromagnetic fraction in the powders synthesized or annealed in hydrogen. Removal of the ferromagnetic fraction from the powder by repeated magnetic separation made it possible to obtain a quasicrystalline fraction, for which the behavior of the magnetic susceptibility can be explained by the formation of nanoclusters. Such behavior is a general and integral property of quasicrystalline powders synthesized in both vacuum and hydrogen.

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Authors and Affiliations

  1. Russian Research Centre Kurchatov Institute, pl. Akademika Kurchatova 1, Moscow, 123182, Russia

    A. A. Nikonov, P. V. Semenovskiĭ, A. A. Teplov & D. S. Shaĭtura

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  1. A. A. Nikonov
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  2. P. V. Semenovskiĭ
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  3. A. A. Teplov
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  4. D. S. Shaĭtura
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Correspondence to A. A. Nikonov.

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Original Russian Text © A.A. Nikonov, P.V. Semenovskiĭ, A.A. Teplov, D.S. Shaĭtura, 2007, published in Kristallografiya, 2007, Vol. 52, No. 6, pp. 1016–1019.

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Nikonov, A.A., Semenovskiĭ, P.V., Teplov, A.A. et al. Magnetic susceptibility of quasicrystalline Al65Cu22Fe13 powders. Crystallogr. Rep. 52, 980–983 (2007). https://doi.org/10.1134/S1063774507060089

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  • DOI: https://doi.org/10.1134/S1063774507060089

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