Single crystal growth and structure of La sub(4)Cu sub(3)MoO sub(12)

We report the synthesis and structure determination of single crystals of La sub(4)Cu sub(3)MoO sub(12) grown from a CuO/KCl flux. This material, whose structure had previously been reported based solely on polycrystalline diffraction data, shows frustrated magnetic behavior and an anti-ferromagneti...

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Published inJournal of solid state chemistry Vol. 183; no. 3; pp. 551 - 556
Main Authors Enterkin, James A, Maggard, Paul A, Ishiwata, Shintaro, Marks, Laurence D, Poeppelmeier, Kenneth R, Azuma, Masaki, Takano, Mikio
Format Journal Article
LanguageEnglish
Published 01.03.2010
Subjects
Atomic structure
COPPER OXIDE
CRYSTAL GROWTH
Diffraction
ELECTRONIC PRODUCTS
Electronics
Equivalence
Flux
FLUXES
MAGNETIC PROPERTIES
MOLECULAR STRUCTURE
PROPERTIES
SINGLE CRYSTALS
Stacking
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Summary:We report the synthesis and structure determination of single crystals of La sub(4)Cu sub(3)MoO sub(12) grown from a CuO/KCl flux. This material, whose structure had previously been reported based solely on polycrystalline diffraction data, shows frustrated magnetic behavior and an anti-ferromagnetic ordering of spin-1/2 triangles at low temperatures. The structural and atomic parameters determined from the single crystal data are in very good agreement with those reported previously. However, HREM data showed evidence for disorder in the stacking of the Cu sub(3)MoO sub(4) planes, and thus a twinned structural refinement in space group P2 sub(1)/m was replaced by an equivalent disordered structural model in space group Pm. This development of a synthetic route to single crystals of La sub(4)Cu sub(3)MoO sub(12) will allow a more detailed investigation of its complex electronic and magnetic properties. AB:
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ISSN:0022-4596
DOI:10.1016/j.jssc.2009.11.019