Structure, optical, and magnetic properties of rutile Sn 1-x Mn x O 2 thin films

Yuhua Xiao, Shihui Ge, Li Xi, Yalu Zuo, Xueyun Zhou, Li Zhang, Guowei Wang, Xiufeng Han, Zhenchao Wen

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)


    Sn 1-x Mn x O 2 (x ≤ 0.11) thin films were fabricated by sol-gel and spin-coated method on Si (1 1 1) substrate. X-ray diffraction revealed that single-phase rutile polycrystalline structure was obtained for x up to about 0.078. Evolution of the lattice parameters and X-ray photoelectron spectroscopy studies confirmed the incorporation of Mn 3+ cations into rutile SnO 2 lattice. Optical transmission studies show that the band gap energy (E g ) broadens with the increasing of Mn content. Magnetic measurements revealed that all samples exhibit room temperature ferromagnetism (RTFM), which is identified as an intrinsic characteristic. Interestingly, the magnetic moment per Mn atom decreases with the increasing Mn content. The origin of RTFM can be interpreted in terms of the bound magnetic polaron model.

    Original languageEnglish
    Pages (from-to)7981-7984
    Number of pages4
    JournalApplied Surface Science
    Issue number18
    Publication statusPublished - 2009 Jun 30


    • Bound magnetic polaron
    • Mn-doped SnO film
    • Room temperature ferromagnetism

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Physics and Astronomy(all)
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films


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