Particle Moment Canting in CoFe2O4 Nanoparticles

Title:
Particle Moment Canting in CoFe2O4 Nanoparticles
Authors:
Hasz, K.; Ijiri, Yumi; Krycka, K. L.; Borchers, Julie A.; Booth, R. A.; Oberdick, S.; Majetich, S. A.
Abstract:
Polarization-analyzed small-angle neutron scattering methods are used to determine the spin morphology in high crystalline anisotropy, 11 nm diameter CoFe2O4 nanoparticle assemblies with randomly oriented easy axes. In moderate to high magnetic fields, the nanoparticles adopt a uniformly canted structure, rather than forming domains, shells, or other arrangements. The observed canting angles agree quantitatively with those predicted from an energy model dominated by Zeeman and anisotropy competition, with implications for the technological use of such nanoparticles.
Citation:
Hasz, K., Y. Ijiri, K.L. Krycka, J.A. Borchers, R.A. Booth, S. Oberdick, and S.A. Majetich. 2014. “Particle Moment Canting in CoFe2O4 Nanoparticles.” Physical Review B 90(18): 180405.
Publisher:
American Physical Society
DATE ISSUED:
2014-11
Department:
Physics and Astronomy
Type:
Article
PUBLISHED VERSION:
10.1103/PhysRevB.90.180405
PERMANENT LINK:
http://hdl.handle.net/11282/559076

Full metadata record

DC FieldValue Language
dc.contributor.authorHasz, K.en
dc.contributor.authorIjiri, Yumien
dc.contributor.authorKrycka, K. L.en
dc.contributor.authorBorchers, Julie A.en
dc.contributor.authorBooth, R. A.en
dc.contributor.authorOberdick, S.en
dc.contributor.authorMajetich, S. A.en
dc.date.accessioned2015-07-06T17:45:33Zen
dc.date.available2015-07-06T17:45:33Zen
dc.date.issued2014-11en
dc.identifier.citationHasz, K., Y. Ijiri, K.L. Krycka, J.A. Borchers, R.A. Booth, S. Oberdick, and S.A. Majetich. 2014. “Particle Moment Canting in CoFe2O4 Nanoparticles.” Physical Review B 90(18): 180405.en
dc.identifier.issn1098-0121en
dc.identifier.urihttp://hdl.handle.net/11282/559076en
dc.description.abstractPolarization-analyzed small-angle neutron scattering methods are used to determine the spin morphology in high crystalline anisotropy, 11 nm diameter CoFe2O4 nanoparticle assemblies with randomly oriented easy axes. In moderate to high magnetic fields, the nanoparticles adopt a uniformly canted structure, rather than forming domains, shells, or other arrangements. The observed canting angles agree quantitatively with those predicted from an energy model dominated by Zeeman and anisotropy competition, with implications for the technological use of such nanoparticles.en
dc.language.isoen_USen
dc.publisherAmerican Physical Societyen
dc.identifier.doi10.1103/PhysRevB.90.180405en
dc.subject.departmentPhysics and Astronomyen_US
dc.titleParticle Moment Canting in CoFe2O4 Nanoparticlesen_US
dc.typeArticleen
dc.identifier.journalPhysical Review Ben
dc.subject.keywordNeutron-scatteringen_US
dc.subject.keywordAnisotropyen_US
dc.subject.keywordMagnetismen_US
dc.subject.keywordSpinen_US
dc.identifier.volume90en_US
dc.identifier.issue18en_US
dc.identifier.startpage180405en_US
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