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Crystal Growth, Structure, and Physical Properties of SmCu4Ga8

Single crystals of SmCu4Ga8 have been grown using Ga flux and characterized by single-crystal X-ray diffraction. SmCu4Ga8, isostructural to SmZn11, crystallizes in the hexagonal P6/mmm (No. 191) space group, with Z = 3 and lattice parameters a = 8.865(2) Å and c = 8.607(2) Å. Magnetic susceptibility...

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Bibliographic Details
Published in:Inorganic chemistry 2008-04, Vol.47 (7), p.2472-2476
Main Authors: Cho, Jung Young, Capan, Cigdem, Young, D. P, Chan, Julia Y
Format: Article
Language:English
Online Access:Get full text
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Summary:Single crystals of SmCu4Ga8 have been grown using Ga flux and characterized by single-crystal X-ray diffraction. SmCu4Ga8, isostructural to SmZn11, crystallizes in the hexagonal P6/mmm (No. 191) space group, with Z = 3 and lattice parameters a = 8.865(2) Å and c = 8.607(2) Å. Magnetic susceptibility data show antiferromagnetic ordering at 3.3 K. Metallic behavior is observed in the temperature range 2−300 K. A large positive magnetoresistance (MR % = (ρH − ρ0)/ρ0 × 100) up to 40% is also observed near T N. In this paper, we present the structure and physical properties of SmCu4Ga8.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic7017192