Fabrication and characterization of Mn doped SnO2 thin films

H. Kimura, T. Fukumura, H. Koinuma, M. Kawasaki

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Epitaxial films of Mn doped SnO2 were fabricated with pulsed laser deposition method. Thin films with (1 0 1) and (1 0 0) orientations were grown on r-(1 1̄02) and c-(0 0 0 1) sapphire substrates, respectively. Mn ions are soluble into SnO2 films up to 30 mol%. Transmission spectra show d-d transition absorption in mid-gap region due to presence of the Mn ion. Additional doping of Sb induces an n-type conduction with a carrier concentration as high as 6.9 × 1019 cm-3 at 300 K. The resistivity rapidly increases with decreasing the temperature below 50 K, where considerable increase of the resistivity is observed in a magnetic field below 20 K.

Original languageEnglish
Pages (from-to)265-267
Number of pages3
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume10
Issue number1-3
DOIs
Publication statusPublished - 2001 May 1
Externally publishedYes

Keywords

  • Diluted magnetic semiconductors
  • Epitaxial SnO thin films
  • Transparent conductive oxide
  • d-d transition

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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