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A neutron and X-ray powder diffraction study of B8(2) related superstructure phases in the Ni-In system
Uppsala University, Disciplinary Domain of Science and Technology, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, The Studsvik Neutron Research Laboratory.
2006 (English)In: Journal of Alloys and Compounds, ISSN 0925-8388, Vol. 424, no 1-2, 247-254 p.Article in journal (Refereed) Published
Abstract [en]

The crystal structures of two low temperature B8(2) related superstructure phases in the nickel indium system, Ni13In9 and Ni7-delta In3, have been refined and described in relation to the underlying parent Ni2In structure-type. They are isostructural to In13Pt9 and Cu7In3, respectively and both accommodate the change in stoichiometry from Ni2In by forming "same atom" structural motifs, In-centred indium octahedral units in the case of Ni13In9 and trigonal bipyramidal nickel units in the case of Ni7-delta In3. A sample with the nominal composition Ni51n3, reported to form part of a solid solution in the binary phase diagram, is not stable at 400 degrees C and forms a two-phase mix of Ni7-delta In3 and Ni13In9.

Place, publisher, year, edition, pages
2006. Vol. 424, no 1-2, 247-254 p.
Keyword [en]
intermetallics, neutron diffraction, X-ray diffraction, super structures
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-153843DOI: 10.1016/j.jallcom.2005.10.092ISI: 000241414900046OAI: oai:DiVA.org:uu-153843DiVA: diva2:418155
Available from: 2011-05-20 Created: 2011-05-19 Last updated: 2011-05-20Bibliographically approved

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