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The structure solution of the F-type i-ZnMgHf from the X-ray diffraction

Abstract : We report a successful growth of the ZnMgHf F-type icosahedral quasicrystal in the form of faceted single grains. By varying the heat treatment parameters we were able to obtain single crystals with a quality suitable for a single crystal X-ray diffraction which was conducted in a synchrotron facility. Ab initio structure solution by a charge flipping algorithm manifests the existence of two types of Bergman clusters. Clusters are differentiated by the preferential occupation of the high-symmetry positions by hafnium in a rhombic triacontahedron, being the outer shell of the atomic cluster. © 2019, © 2019 Institute of Materials, Minerals and Mining.
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Submitted on : Wednesday, September 4, 2019 - 2:51:19 PM
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I. Buganski, K. Toyonaga, H. Takakura, T. yamada, M. de Boissieu, et al.. The structure solution of the F-type i-ZnMgHf from the X-ray diffraction. Materials Science and Technology, Maney Publishing, 2019, Crystallographic Aspects of Metallic Alloys, 36 (9), pp.989-995. ⟨10.1080/02670836.2019.1612579⟩. ⟨hal-02278624⟩



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