Effect of Magnetic Field on the Magnetic Domain Structure of MnAs Film on GaAs

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dc.contributor.authorKim, J. B.-
dc.contributor.authorLee, Y. P.-
dc.contributor.authorRyu, K. S.-
dc.contributor.authorShin, S. C.-
dc.contributor.authorAkinaga, H.-
dc.contributor.authorKim, K. W.-
dc.date.accessioned2009-12-01T06:49:01Z-
dc.date.available2009-12-01T06:49:01Z-
dc.date.issued2006-10-
dc.identifier.citationIEEE TRANSACTIONS ON MAGNETICS, Vol.42, No.10, pp.3249-3251en
dc.identifier.issn0018-9464-
dc.identifier.urihttp://hdl.handle.net/10203/13813-
dc.description.abstractWe have observed the magnetic domain evolution under an external magnetic field in an epitaxial MnAs film on GaAs(001) by magnetic force microscopy. Owing to the strain involved, the ferromagnetic alpha-MnAs and the paramagnetic beta-MnAs phases coexist as self-aligned stripes at room temperature. It was found that a complex magnetic domain structure appeared in the ferromagnetic alpha-phase region at the demagnetized state (H=0 Oe). As the magnetic field increased, the magnetic domain structure was gradually changed, and reached a completely saturated state at H=600 Oe. Especially, at H=300 Oe, the observed magnetic domain wall distribution is well matched with the topographical shape.en
dc.description.sponsorshipThis work was supported by the Korea Science and Engi- neering Foundation (KOSEF) through the Quantum Photonic Science Research Center at Hanyang University, Seoul, Korea, and by MOST, Korea.en
dc.language.isoen_USen
dc.publisherIEEEen
dc.subjectMagnetic domainsen
dc.subjectmagnetic force microscopyen
dc.subjectmagnetic thin filmsen
dc.titleEffect of Magnetic Field on the Magnetic Domain Structure of MnAs Film on GaAsen
dc.typeArticleen
dc.identifier.doi10.1109/TMAG.2006.878404-

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