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Hyperfine Interactions

, Volume 168, Issue 1–3, pp 1065–1071 | Cite as

CEMS study on diluted magneto titanium oxide films prepared by pulsed laser deposition

  • K. Nomura
  • K. Inaba
  • S. Iio
  • T. Hitosugi
  • T. Hasegawa
  • Y. Hirose
  • Z. Homonnay
Article

Abstract

6% 57Fe doped titanium oxide films, prepared by pulsed laser deposition (PLD) on sapphire substrate at 650°C under various vacuum conditions, were characterized mainly by conversion electron Mössbauer spectrometry (CEMS). Two magnetic sextets with hyperfine fields 33 and 29 T, and one doublet were observed in the CEMS spectra of TiO2 films prepared under PO2 = 10−6 and 10−8 torr, which showed ferromagnetism at room temperature, whereas only the doublet of paramagnetic Fe3+ species was observed for the film prepared under PO2 = 10−1 torr.

Key words

Conversion Electron Mössbauer Spectroscopy (CEMS) Dilute Magnetic Semiconductor (DMS) Ti oxide doped with Fe pulsed laser deposition 

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Copyright information

© Springer Science+Business Media, Inc. 2006

Authors and Affiliations

  • K. Nomura
    • 1
  • K. Inaba
    • 2
  • S. Iio
    • 1
  • T. Hitosugi
    • 3
  • T. Hasegawa
    • 3
    • 4
  • Y. Hirose
    • 4
  • Z. Homonnay
    • 5
  1. 1.School of EngineeringThe University of TokyoTokyoJapan
  2. 2.Materials and Structures LaboratoryTokyo Institute of TechnologyYokohamaJapan
  3. 3.School of ScienceThe University of TokyoTokyoJapan
  4. 4.Kanagawa Academy of Science and TechnologyKawasakiJapan
  5. 5.Research Group for Nuclear Methods in Structural Chemistry, HAS and Department of Nuclear Chemistry ELTEBudapestHungary

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