Volume 78, Number 1, April 2007
|Number of page(s)||6|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||22 March 2007|
High-field magnetization measurements in Sr2CrReO6 double perovskite: Evidence for orbital contribution to the magnetization
Instituto de Ciencia de los Materiales de Aragón, CSIC-Universidad de Zaragoza, Facultad de Ciencias - Zaragoza, 50009, Spain
2 Department of Solid State Physics, Faculty of Physics and Applied Computer Sciences, AGH University of Science and Technology - 30-059 Cracow, Poland
3 Institute Laue-Langevin - Grenoble Cedex, 38042, France
4 Instituto de Nanociencia de Aragón, Universidad de Zaragoza - Zaragoza, 50009, Spain
5 IFW Dresden, Institute for Metallic Materials - P.O. Box 270116, D-01171 Dresden, Germany
Corresponding author: firstname.lastname@example.org
Accepted: 21 February 2007
We have synthesized a double perovskite sample with the expected high Curie temperature , which shows negligible impurity phases and 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 and related compound is highlighted.
PACS: 75.30.Cr – Saturation moments and magnetic susceptibilities / 61.12.Ld – Neutron diffraction / 61.10.Nz – X-ray diffraction
© Europhysics Letters Association, 2007
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