Strain-induced ferromagnetism in antiferromagnetic LuMnO3 thin films

J. S. White; M. Bator; Y. Hu; H. Luetkens; J. Stahn; S. Capelli; S. Das; M. Döbeli; Th. Lippert; V. K. Malik; J. Martynczuk; A. Wokaun; M. Kenzelmann; Ch. Niedermayer; C. W. Schneider

doi:10.1103/PhysRevLett.111.037201

Strain-induced ferromagnetism in antiferromagnetic LuMnO3 thin films

Materials Science 2013-08-19 v1

Authors: J. S. White , M. Bator , Y. Hu , H. Luetkens , J. Stahn , S. Capelli , S. Das , M. Döbeli , Th. Lippert , V. K. Malik , J. Martynczuk , A. Wokaun , M. Kenzelmann , Ch. Niedermayer , C. W. Schneider

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Abstract

Single phase and strained LuMnO3 thin films are discovered to display co-existing ferromagnetic and antiferromagnetic orders. A large moment ferromagnetism (approx. 1 muB), which is absent in bulk samples, is shown to display a magnetic moment distribution that is peaked at the highly-strained substrate-film interface. We further show that the strain-induced ferromagnetism and the antiferromagnetic order are coupled via an exchange field, therefore demonstrating strained rare-earth managanite thin films as promising candidate systems for new multifunctional devices.

Keywords

strain-induced ferromagnetism antiferromagnetic order LuMnO3 thin films magnetic moment exchange field rare-earth manganite

Cite

@article{arxiv.1304.7200,
  title  = {Strain-induced ferromagnetism in antiferromagnetic LuMnO3 thin films},
  author = {J. S. White and M. Bator and Y. Hu and H. Luetkens and J. Stahn and S. Capelli and S. Das and M. Döbeli and Th. Lippert and V. K. Malik and J. Martynczuk and A. Wokaun and M. Kenzelmann and Ch. Niedermayer and C. W. Schneider},
  journal= {arXiv preprint arXiv:1304.7200},
  year   = {2013}
}

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19 pages, main text plus supplemental information

Strain-induced ferromagnetism in antiferromagnetic LuMnO3 thin films

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