Isolated spin 3/2 plaquettes in Na3RuO4 |
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| Authors: | K.A. Regan Q. Huang |
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| Affiliation: | a Department of Chemistry, Princeton University, Princeton, NJ 08544, USA
b NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899, USA |
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| Abstract: | The crystal structure of Na3RuO4 determined by powder neutron diffraction is reported. The structure consists of isolated tetramers of edge sharing RuO6 octahedra in the ab plane, creating isolated four-member plaquettes of Ru atoms comprised of two equilateral triangles sharing an edge. Magnetic susceptibility measurements reveal an antiferromagnetic transition at ∼29 K, with  . Neutron diffraction data indicate the onset of three-dimensional magnetic ordering at 29 K. |
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| Keywords: | Ruthenates Na3RuO4 Magnetic properties. |
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