Step-induced uniaxial magnetic anisotropy of La0:67Sr0:33MnO3 thin films

  • Mathews M
  • Postma F
  • Lodder J
 et al. 
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Abstract

The magnetic anisotropy of epitaxial La0.67Sr0.33MnO3 (LSMO) thin films on vicinal, TiO2-terminated SrTiO3 substrates is investigated. Atomic force microscopy shows a regular step-terrace structure on the LSMO surface which is a replication of the surface of the substrate. The films show in-plane uniaxial magnetic anisotropy at room temperature, with the easy axis along the step direction. At low temperature the films show biaxial crystalline anisotropy with easy axes along [110], and hard axes along the [100] direction of LSMO.

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Authors

  • Mercy Mathews

  • Ferry M. Postma

  • J. Cock Lodder

  • R. Jansen

  • Guus Rijnders

  • Dave H. A. Blank

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