Magnetism of TiO and TiO2 nanoclusters

Xiaohui Wei, Ralph Skomski, B. Balamurugan, Z. G. Sun, Stephen Ducharme, D. J. Sellmyer

Research output: Contribution to journalArticlepeer-review

47 Scopus citations


Nanoclusters of rocksalt TiO, anatase TiO2, and rutile TiO2 were produced by cluster deposition and examined with transmission-electron microscopy, x-ray diffraction, and magnetization measurements. The clusters are all magnetic at room temperature, but the magnetization is structure- dependent. The hysteresis loops show coercivities that are of the order of 100 Oe and all films show a preferential in-plane magnetization direction. The size dependence of the magnetization was investigated for rutile clusters with average sizes from about 15 to 40 nm. The analysis of the measurements indicates that the magnetism is predominantly located near the surface of the clusters and characterized by a nominal value of 7.6 μB / nm2.

Original languageEnglish (US)
Article number07C517
JournalJournal of Applied Physics
Issue number7
StatePublished - 2009

ASJC Scopus subject areas

  • General Physics and Astronomy


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