Effects of oxygen gas pressure on properties of iron oxide films grown by pulsed laser deposition

Qixin Guo, Wangzhou Shi, Feng Liu, Makoto Arita, Yoshifumi Ikoma, Katsuhiko Saito, Tooru Tanaka, Mitsuhiro Nishio

    Research output: Contribution to journalArticlepeer-review

    6 Citations (Scopus)

    Abstract

    Iron oxide films were grown on sapphire substrates by pulsed laser deposition at oxygen gas pressures between 1 × 10-5 and 1×10-1 Pa with a substrate temperature of 600 °C. Atomic force microscope, X-ray diffraction, Raman spectroscopy, X-ray absorption fine structure, and vibrational sample magnetometer analysis revealed that surface morphology and crystal structure of the iron oxide films strongly depend on the oxygen gas pressure during the growth and the optimum oxygen gas pressure range is very narrow around 1×10-3 Pa for obtaining single phase magnetite films with high crystal quality.

    Original languageEnglish
    Pages (from-to)1-5
    Number of pages5
    JournalJournal of Alloys and Compounds
    Volume552
    DOIs
    Publication statusPublished - Mar 5 2013

    All Science Journal Classification (ASJC) codes

    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys
    • Materials Chemistry

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