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Atomic-scale chemical fluctuation in LaSrVMoO6, a proposed half-metallic antiferromagnet
Centre for Advanced Materials, Indian Association for the Cultivation of Science, Jadavpur, India.
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2010 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 82, no 18, 180407Article in journal (Refereed) Published
Abstract [en]

Half-metallic antiferromagnets (HMAFMs) have been proposed theoretically long ago but have not been realized experimentally yet. Recently, a double perovskite compound, LaSrVMoO6, has been claimed to be an almost real HMAFM system. Here, we report detailed experimental and theoretical studies on this compound. Our results reveal that the compound is neither a half-metal nor an ordered antiferromagnet. Most importantly, an unusual chemical fluctuation is observed locally, which finally accounts for all the electronic and magnetic properties of this compound.

Place, publisher, year, edition, pages
2010. Vol. 82, no 18, 180407
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Physical Sciences
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URN: urn:nbn:se:uu:diva-139256DOI: 10.1103/PhysRevB.82.180407ISI: 000284142800001OAI: oai:DiVA.org:uu-139256DiVA: diva2:380955
Available from: 2010-12-22 Created: 2010-12-22 Last updated: 2016-05-09Bibliographically approved

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Jana, SomnathKnut, RonnyKaris, Olof

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