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Synthesis, magnetic and thermoelectric properties of Rh2MO 6 (M = Mo, Te, and W) with rutile-related structure
T. Siritanon, , A.W. Sleight, M.A. Subramanian
Published in
Volume: 46
Issue: 11
Pages: 2016 - 2020
The Rh2MO6 compounds with M = Mo, W and Te were synthesized by solid state reaction. The compounds all crystallize in a rutile-type structure. These compounds would be expected to be diamagnetic insulators if the oxidation states were Rh3+ and M6+. In fact, all show relatively high electronic conductivities with Rh 2TeO6 showing the highest electronic conductivity of ∼500 S/cm at room temperature. Measurable magnetic moments also indicate valence degeneracy between Rh and the M cation. The measured Seebeck coefficients are relatively low and positive indicating hole-type conduction. © 2011 Elsevier Ltd. All rights reserved.
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JournalMaterials Research Bulletin