In situ photoemission study of Pr1 - x Cax MnO3 epitaxial thin films

H. Wadati, A. Maniwa, I. Ohkubo, H. Kumigashira, A. Fujimori, M. Oshima, M. Lippmaa, M. Kawasaki, H. Koinuma

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

We have performed an in situ photoemission study of Pr1 - x Cax MnO3 thin films grown on LaAlO3 (0 0 1) by laser molecular beam epitaxy. By utilizing Mn 2 p → 3 d resonant photoemission, we obtained the Mn 3d partial density of states. There was no density of states at the Fermi level, consistent with the insulating behavior of this material. Chemical potential pinning, which was observed in bulk samples, was not observed in the present study, consistent with the suppression of charge ordering under the compressive strain from the substrate.

Original languageEnglish
Pages (from-to)963-965
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume310
Issue number2 SUPPL. PART 2
DOIs
Publication statusPublished - 2007 Mar
Externally publishedYes

Keywords

  • Charge ordering
  • Chemical potential pinning
  • Laser MBE
  • Photoemission spectroscopy
  • Pr Ca MnO thin film

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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