Polar space group and complex magnetism in Ni-11 square(HPO3)(8)(OH)(6): towards a new multiferroic material?

The Ni-11 square(HPO3)(8)(OH)(6) phosphite was prepared using a hydrothermal method. Depending on the pressure used during the synthesis, different hierarchical superstructures were encountered, including a new original cross-shaped star. The as-obtained products were characterized by X-ray diffract...

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Bibliographic Details
Published in:Solid state sciences 2015-01, Vol.39, p.92-96
Main Authors: Poienar, Maria, Maignan, Antoine, Sfirloagaa, P., Malo, Sylvie, Vlazana, P., Guesdon, Anne, Lainé, Fabien, Rouquette, Jerome, Martin, Christine
Format: Article
Language:English
Subjects:
Condensed Matter
Materials Science
Physics
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Summary:The Ni-11 square(HPO3)(8)(OH)(6) phosphite was prepared using a hydrothermal method. Depending on the pressure used during the synthesis, different hierarchical superstructures were encountered, including a new original cross-shaped star. The as-obtained products were characterized by X-ray diffraction, scanning and transmission electron microscopy and magnetization. In agreement with the presence of transition metal dimers in the structure, a complex magnetic behavior is observed at low temperature. This magnetic ground-state, combined with the non-centrosymmetry of the space group, creates new opportunities for applications in this class of open framework inorganic materials. (C) 2014 Elsevier Masson SAS. All rights reserved.
ISSN:1293-2558
DOI:10.1016/j.solidstatesciences.2014.11.014