dc.contributor.author | SHVETS, IGOR | en |
dc.contributor.author | ARORA, SUNIL KUMAR | en |
dc.date.accessioned | 2010-08-12T14:16:52Z | |
dc.date.available | 2010-08-12T14:16:52Z | |
dc.date.issued | 2006 | en |
dc.date.submitted | 2006 | en |
dc.identifier.citation | I. Knittel, J. Wei, Y. Zhou, S. K. Arora, I. V. Shvets, M. Luysberg, U. Hartmann, Observation of antiferromagnetic coupling in epitaxial ferrite films, Physical Review B, 74, 13, 2006, 132406 | en |
dc.identifier.other | Y | en |
dc.identifier.uri | http://hdl.handle.net/2262/40428 | |
dc.description | PUBLISHED | en |
dc.description.abstract | Defects in ferrite can change the local magnetic coupling from ferromagnetic to strongly antiferromagnetic. In eptiaxial magnetite (Fe3O4) films, defects locally altering exchange interaction, i.e., ?antiphase boundaries? (APB), essentially determine magnetic and magnetotransport properties. We locally observed specific magnetization reversal events in epitaxial magnetite Fe3??O4?MgO films (??0.03) by magnetic force microscopy in external magnetic fields. A dominating phenomenon is pinning of bubble domains at single APB. Pinning is a particular consequence of antiferromagnetic coupling across APB. Antiferromagnetic coupling across APB could be directly verified for a sample with an APB domain size above the resolution limit of magnetic force microscopy. | en |
dc.description.sponsorship | The authors would like to thank Astrid Muller and Andreas
Englisch, University of Saarbrucken, for the variablefield
MFM setup. Patrick Steffen and Richard Pfeifer contributed
to the MFM imaging. Thomas Sulzbach,
Nanosensors GmbH, supplied the high-resolution MFM tips.
This work is funded by the European Union within the
ASPRINT project. | en |
dc.format.extent | 132406 | en |
dc.language.iso | en | en |
dc.relation.ispartofseries | Physical Review B | en |
dc.relation.ispartofseries | 74 | en |
dc.relation.ispartofseries | 13 | en |
dc.rights | Y | en |
dc.subject | Atomic, molecular and chemical physics | en |
dc.subject | thin films | en |
dc.title | Observation of antiferromagnetic coupling in epitaxial ferrite films | en |
dc.type | Journal Article | en |
dc.contributor.sponsor | European Union (EU) | en |
dc.type.supercollection | scholarly_publications | en |
dc.type.supercollection | refereed_publications | en |
dc.identifier.peoplefinderurl | http://people.tcd.ie/ivchvets | en |
dc.identifier.peoplefinderurl | http://people.tcd.ie/aroras | en |
dc.identifier.rssinternalid | 55194 | en |
dc.identifier.rssuri | http://dx.doi.org/10.1103/PhysRevB.74.132406 | en |