Size-dependent magnetic properties of colloidal Mn3O4 and MnO nanoparticles

Won Seok Seo, Hyong Hoon Jo, Kwangyeol Lee, Bongsoo Kim, Sang Jun Oh, Joon T. Park

    Research output: Contribution to journalArticlepeer-review

    497 Citations (Scopus)

    Abstract

    Highly crystalline and monodisperse MnO and Mn3O4 nanoparticles are prepared by thermal decomposition of [Mn(acac)2] in oleylamine under an inert atmosphere in the presence and absence of a small amount of water, respectively (see picture). The particle size of both manganese oxide systems can be easily manipulated by changing the employed reaction temperature, and it has been demonstrated that the magnetic behavior depends on the size of the particles.

    Original languageEnglish
    Pages (from-to)1115-1117
    Number of pages3
    JournalAngewandte Chemie - International Edition
    Volume43
    Issue number9
    DOIs
    Publication statusPublished - 2004 Feb 20

    Keywords

    • Colloids
    • Magnetic properties
    • Manganese
    • Nanoparticles

    ASJC Scopus subject areas

    • Catalysis
    • General Chemistry

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