J. M. Michalik et al 2007 EPL 78 17006 doi:10.1209/0295-5075/78/17006
J. M. Michalik1,2, J. M. De Teresa1, C. Ritter3, J. Blasco1, D. Serrate1, M. R. Ibarra1,4, C. Kapusta2, J. Freudenberger5 and N. Kozlova5
Show affiliationsWe have synthesized a Sr2CrReO6 double perovskite sample with the expected high Curie temperature ≈ 600 K, which shows negligible impurity phases and ≈ 15% Cr/Re structural antisite disorder as shown by X-ray and neutron diffraction. High-field magnetization measurements up to 47 T show that the saturation magnetization below room temperature is much higher than the one predicted by simple models that do not take into account the Re spin-orbit coupling. The crucial role of the large Re orbital moment in the physics of Sr2CrReO6 and related compound is highlighted.
Issue 1 (April 2007)
Received 22 November 2006, in final form 21 February 2007
Published 22 March 2007
J. M. Michalik et al 2007 EPL 78 17006
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