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

I. Buganski 1 K. Toyonaga 1 H. Takakura 1 T. Yamada 2 M. de Boissieu 3 O. Pérez 4 P. Fertey 5 J. Wolny 6
1 Hokkaido University [Sapporo, Japan]
2 Faculty of Science and Engineering [Waseda]
3 SIMaP - Science et Ingénierie des Matériaux et Procédés
4 CRISMAT - Laboratoire de cristallographie et sciences des matériaux
5 SSOLEIL - Synchrotron SOLEIL
6 AGH UST - AGH University of Science and Technology [Krakow, PL]
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.
Keywords : crystal growth Icosahedral quasicrystal X-ray diffraction
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Journal articles
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02278624
Contributor : Elisabeth van T Hof <>
Submitted on : Wednesday, September 4, 2019 - 2:51:19 PM
Last modification on : Wednesday, October 7, 2020 - 1:16:03 PM

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COMUE-NORMANDIE | ENSICAEN | CNRS | INC-CNRS | SYNCHROTRON-SOLEIL | UNICAEN | UGA | SIMAP

Citation

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, ⟨10.1080/02670836.2019.1612579⟩. ⟨hal-02278624⟩

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