Strong uniaxial in-plane magnetic anisotropy of (001)- and (011)-oriented La0.67Sr0.33MnO3 thin films on NdGaO3 substrates

J.A. Boschker, M. Mathews, Evert Pieter Houwman, H. Nishikawa, A. Vailionis, Gertjan Koster, Augustinus J.H.M. Rijnders, David H.A. Blank

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Epitaxial La0.67Sr0.33MnO3 (LSMO) ferromagnetic thin films were coherently grown on NdGaO3 (NGO) substrates with different crystal orientations of the surface plane. On the (110)o- and (001)o-oriented substrates, the film grows in the (001)pc orientation, and on the (100)o-, (010)o-, and (112)o-oriented substrates the film is (011)pc oriented (we will use subindices o and pc for the orthorhombic and pseudocubic crystal structures, respectively). The lattice parameters and pseudocube angles of the deformed LSMO pseudocube have been determined from x-ray diffraction measurements. The in-plane magnetic easy and hard directions of these films have been determined from the dependence of the remnant magnetization on the angle of the in-plane applied field. For all substrate orientations there is a strong in-plane uniaxial magnetic anisotropy, determined by the crystal directions of the substrate surface. The easy and hard magnetic-anisotropy directions are explained consistently by the (bulk) inverse magnetostriction model, except for the film on NGO (112)o.
Original languageUndefined
Pages (from-to)214425-
JournalPhysical Review B (Condensed Matter and Materials Physics)
Issue number21
Publication statusPublished - 2009


  • IR-72426
  • METIS-260424

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