TITLE

Competing interactions and complex magnetism at SrRuO3/SrMnO3 interfaces

AUTHOR(S)
Choi, Y.; Tseng, Y. C.; Haskel, D.; Brown, D. E.; Danaher, D.; Chmaissem, O.
PUB. DATE
November 2008
SOURCE
Applied Physics Letters;11/10/2008, Vol. 93 Issue 19, p192509
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The coupled interfacial Mn and Ru spin configurations in a SrRuO3(SRO)/SrMnO3(SMO) superlattice are investigated with x-ray resonant techniques. With an out-of-plane applied field H, a net Mn moment is induced opposite to (along) H below (above) SRO Curie temperature TC, due to changes in interfacial antiferromagnetic Ru–Mn coupling. In comparison with the Mn moment induced along an out-of-plane field below TC, the Mn moment induced along an in-plane field is five (three) times smaller below (above) TC, due to frustration in the Ru–Mn coupling. Despite its in-plane anisotropy, the G-type antiferromagnetic SMO favors out-of-plane over in-plane canting of Mn moments.
ACCESSION #
35514276

 

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