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Sr2CrOsO6: End point of a spin-polarized metal-insulator transition by 5d band filling
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2007 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 75, no 2Article in journal (Refereed) Published
Abstract [en]

In the search for new spintronic materials with high spin polarization at room temperature, we have synthesized an osmium-based double perovskite with a Curie temperature of 725 K. Our combined experimental results confirm the existence of a sizable induced magnetic moment at the Os site, supported by band-structure calculations, in agreement with a proposed kinetic-energy-driven mechanism of ferrimagnetism in these compounds. The intriguing property of Sr2CrOsO6 is that it is at the end point of a metal-insulator transition due to 5d band filling and at the same time ferrimagnetism and high-spin polarization are preserved.

Place, publisher, year, edition, pages
2007. Vol. 75, no 2
Keyword [en]
perovskite structure, temperature, sr2femoo6
URN: urn:nbn:se:kth:diva-16358DOI: 10.1103/PhysRevB.75.020404ISI: 000243895100008ScopusID: 2-s2.0-33846423852OAI: diva2:334400
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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Delin, Anna
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Applied Material Physics
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