Core-shell iron-iron oxide nanoparticles: Magnetic properties and interactions

Luise Theil Kuhn, A. Bojesen, L. Timmermann, K. Fauth, E. Goering, Erik Johnson, Martin Meedom Nielsen, Steen Mørup

Research output: Contribution to journalConference articleResearchpeer-review

Abstract

We present studies of the magnetic properties of core-shell iron-iron oxide nanoparticles. By combining Mossbauer and X-ray absorption spectroscopy we have been able to measure the change from a Fe3O4-like to a gamma-Fe2O3-like composition from the interface to the surface. Furthermore, we have observed exchange interactions across the core-shell interface. (C) 2003 Elsevier B.V. All rights reserved.
Original languageEnglish
JournalJournal of Magnetism and Magnetic Materials
Volume272-276
Issue number2
Pages (from-to)1485-1486
ISSN0304-8853
DOIs
Publication statusPublished - 2004
Event2003 International Conference on Magnetism - Rome, Italy
Duration: 27 Jul 20031 Aug 2003

Conference

Conference2003 International Conference on Magnetism
CountryItaly
CityRome
Period27/07/200301/08/2003

Keywords

  • Magnetic nanoparticle
  • Core-shell
  • Mössbauer spectroscopy
  • X-ray absorption spectroscopy

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