Abstract
In order to obtain more information on the atomic decoration and short range order of the icosahedral AlCuFe alloys, we compared the stable icosahedral phase with the crystalline phases of the parent composition and four icosahedral alloys around the thermodynamical stable composition by means of magnetization and Mössbauer measurements. The measurements of the magnetic susceptibility show that in the AlCuFe icosahedral alloys as well as in some of the parent crystalline compounds the magnetic moment of iron is suppressed, the magnetic behaviour being dominated by the electronic structure of aluminium and copper. It seems that the short range order in the studied icosahedral phases has some similarity with the one occurring around the 4(i) iron sites with 10 aluminium nearest neighbours in the crystalline structure of Al 13Fe 4.
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