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Lock-in spin structures and ferrimagnetism in polar Ni2-xCoxScSbO6 oxides

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2018

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Royal Society of Chemistry
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K. Ji, E. Solana-Madruga, A. M. Arévalo-López, P. Manuel, C. Ritter, A. Senyshyn, J. P. Attfield. Lock-in spin structures and ferrimagnetism in polar Ni2-xCoxScSbO6 oxides. Chem. Comm. 2018, 54, 12523. doi: 10.1039/c8cc07556e

Abstract

The new phase Co2ScSbO6 and Ni2-xCoxScSbO6 solid solutions adopt the polar Ni3TeO6-type structure and order magnetically below 60 K. A series of long-period lock-in [0 0 1/3n] spin structures with n = 5, 6, 8 and 10 is discovered, coexisting with a ferrimagnetic [0 0 0] phase at high Co-contents. The presence of electrical polarisation and spontaneous magnetisations offers possibilities for multiferroic properties.

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