Magnetic structure of Sr 2 CuWO 6

Magnetic structure of the double perovskite Sr2CuWO6 was determined from neutron powder diffraction data. At 3 K the material is magnetically long-range ordered into a collinear antiferromagnetic structure described by a propagation vector k = (0, 1/2, 1/2) with the Cu-II moments of 0.57(1) mu(B) pa...

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Bibliographic Details
Published in:Journal of physics. Condensed matter 2014-12, Vol.26 (49), p.496001
Main Authors: Vasala, S, Avdeev, M, Danilkin, S, Chmaissem, O, Karppinen, M
Format: Article
Language:English
Subjects:
double-perovskite oxide
magnetic structure
neutron powder diffraction
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Summary:Magnetic structure of the double perovskite Sr2CuWO6 was determined from neutron powder diffraction data. At 3 K the material is magnetically long-range ordered into a collinear antiferromagnetic structure described by a propagation vector k = (0, 1/2, 1/2) with the Cu-II moments of 0.57(1) mu(B) parallel to the a-axis. The result is in agreement with our previous prediction (Vasala et al 2014 Phys. Rev. B 89 134419) based on electronic structure calculations, showing that the three-dimensional magnetic long-range order is caused by relatively strong antiferromagnetic next-nearest-neighbor interactions.
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/26/49/496001