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dc.titleCurrent-controlled domain structures in micron-sized magnetic permalloy rods
dc.contributor.authorSoh, Y.S.
dc.contributor.authorNg, V.
dc.identifier.citationSoh, Y.S.,Ng, V. (2005). Current-controlled domain structures in micron-sized magnetic permalloy rods. 2005 5th IEEE Conference on Nanotechnology 1 : 181-184. ScholarBank@NUS Repository. <a href="" target="_blank"></a>
dc.description.abstractThe discovery of current-controlled domain structures in micron-sized permalloy rods is reported. At zero-applied field, the remanent domain structures of 12 μm × 3 μm rods with a thickness of 40 nm are imaged with magnetic force microscopy and compared to results from micromagnetic simulations. Both studies revealed a stable flux-closure state, which we term the 3-diamond state at remanence. After constant current applications in the order of 107 A/cm2, another stable flux-closure state, the 1-diamond domain structure was observed. In this paper, we explain the domain evolution process of the rods as well as the domain structures created under the influence of the local magnetic environment. ©2005 IEEE.
dc.subjectMagnetic domain configuration
dc.subjectMagnetic force microscope
dc.subjectMesoscopic structures
dc.subjectPermalloy and micromagnetic calculations
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.sourcetitle2005 5th IEEE Conference on Nanotechnology
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