Magnetic properties of CoO nanoparticles

C.F.J. Flipse, C.B. Rouwelaar, F.M.F Groot, de

Research output: Contribution to journalArticleAcademicpeer-review

33 Citations (Scopus)


The magnetic circular X-ray dichroism of CoO nanoparticles was measured at low temperatures and in high magnetic fields. The particles show a superparamagnetic behaviour at room temperature, and a large orbital contribution to the magnetic moment at low temperatures was observed. This enhancement of orbital magnetism is largely determined by the contribution of the surface atoms. The larger spin-orbit coupling of the electrons of the surface atoms of the particle can cause a change in magnetic ordering in the core of the particles.
Original languageEnglish
Pages (from-to)479-481
Number of pages3
JournalEuropean Physical Journal D : Atomic, Molecular and Optical Physics
Issue number1
Publication statusPublished - 1999

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