Ferromagnetism and ru-ru distance in SrRuO3 thin film grown on SrtiO3 (111) substrate

Bowha Lee, O. Ung Kwon, Ran Hee Shin, William Jo, Chang Uk Jung

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Epitaxial SrRuO3 thin films were grown on both (100) and (111) SrTiO3 substrates with atomically flat surfaces that are required to grow high-quality films of materials under debate. The following notable differences were observed in the (111)-oriented SrRuO3 films: (1) slightly different growth mode, (2) approximately 10 K higher ferromagnetic transition temperature, and (3) better conducting behavior with higher relative resistivity ratio, than (100)c-oriented SrRuO3 films. Together with the reported results on SrRuO3 thin films grown on (110) SrTiO3 substrate, the different physical properties were discussed newly in terms of the Ru-Ru nearest neighbor distance instead of the famous tolerance factor.

Original languageEnglish
Article number8
Pages (from-to)1-9
Number of pages9
JournalNanoscale Research Letters
Volume9
Issue number1
DOIs
StatePublished - 2014

Keywords

  • Ferromagnetic transition temperature
  • Ru-ru nearest neighbor distance
  • Srruo3
  • Tolerance factor

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