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Spin, Orbital and Lattice Coupling in the Double Perovskite Ba2154SmMoO6

Published online by Cambridge University Press:  01 February 2011

Abbie Mclaughlin*
Affiliation:
a.c.mclaughlin@abdn.ac.uk, University of Aberdeen, Chemistry, Aberdeen, United Kingdom
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Abstract

An unexpectedly high antiferromagnetic transition temperature (TN = 130 K) has been observed in the double perovskite Ba2154SmMoO6 as a result of a strong interplay between spin, orbital and lattice degrees of freedom. A variable temperature neutron diffraction study of Ba2154SmMoO6 demonstrates that the orbital order below TN is as a result of a Jahn-Teller distortion of the MoO6 octahedra.

Type
Research Article
Copyright
Copyright © Materials Research Society 2009

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References

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