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Title: Crystal growth, structure and magnetic properties of SmNiAl: A compound in the SmNiAl homologous series.
Authors: SUBBARAO, UDUMULA; GHOSH, ALOKE; SARKAR, SUMANTA; PETER, SEBASTIAN
Abstract: SmNiAl was obtained as large rod shaped single crystals from reactive aluminium flux. Single crystal X-ray diffraction suggests that SmNiAl crystallizes in the GdNiAl structure type, orthorhombic space group Cmcm and lattice constants a = 4.0974(1) Å, b = 16.0172(6) Å and c = 27.0774(10) Å. SmNiAl is a member of the SmNiAl series with n = 1 and m = 1. The crystal structure of SmNiAl consists of SmNiAl and SmAlAl slabs intergrown along the b-axis. Magnetic susceptibility data on SmNiAl confirms the paramagnetic nature with a complicated magnetic ordering below 18 K. The inverse susceptibility data follows modified Curie-Weiss law above 150 K with effective magnetic moment 1.3 μ/Sm atoms suggests trivalent Sm atoms. [Figure not available: see fulltext.]
Subjects: NICKEL-aluminum alloys; METAL crystal growth; CRYSTAL structure; MAGNETIC properties of metals; X-ray diffraction
Publication: Journal of Chemical Sciences, 2014, Vol 126, Issue 5, p1605
ISSN: 0974-3626
Publication type: Academic Journal
DOI: 10.1007/s12039-014-0682-0

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Crystal growth, structure and magnetic properties of SmNiAl: A compound in the SmNiAl homologous series.