Atomic structure and microstructure of very thin films of La0.73Ca0.27MnO3on SrTiO3

H. W. Zandbergen, J. Jansen, S. Freisem, T. Nojima, J. Aarts

研究成果: Article査読

24 被引用数 (Scopus)

抄録

Very thin films (less than 20 nm) of La0.73Ca0.27MnO3on SrTiO3substrates exhibit properties quite different from the bulk; they are ferromagnetic insulators instead of ferromagnetic metals. Electron microscopy shows that such thin films are perfectly smooth, single phase and crystalline, as are thicker films but that they have a structure (imposed by the lattice matching with the substrate) which is different from that of the bulk or thick films (much greater than 20 nm). The main features of this structure are a Jahn-Teller distortion of the MnO6octahedra (not present in the bulk) and tilts of the MnO6octahedra (different from the bulk).

本文言語English
ページ(範囲)337-350
ページ数14
ジャーナルPhilosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties
80
2
DOI
出版ステータスPublished - 2000 2
外部発表はい

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)
  • Condensed Matter Physics
  • Physics and Astronomy (miscellaneous)
  • Metals and Alloys

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