dc.contributor.authorKrishnia, Sachin
dc.contributor.authorPurnama, Indra
dc.contributor.authorLew, Wen Siang
dc.date.accessioned2017-09-28T06:27:37Z
dc.date.available2017-09-28T06:27:37Z
dc.date.issued2016
dc.identifier.citationKrishnia, S., Purnama, I., & Lew, W. S. (2016). Observation of ice-rule violation and monopole dynamics via edge nucleation of domain walls in artificial spin ice lattice. Journal of Magnetism and Magnetic Materials, 420,158-165.en_US
dc.identifier.issn0304-8853en_US
dc.identifier.urihttp://hdl.handle.net/10220/43811
dc.description.abstractIn a patterned Co honeycomb spin ice structure, we show that violation in the ice-rule or magnetic monopoles, can be observed during a magnetization reversal process in 430 Oe≤H≤760 Oe magnetic field (H) range. The monopoles are shown to originate from the nucleation of domain walls at the edges, and they hop towards the other edge via the propagation of magnetic domain walls. The paths that the domain walls traveled or the Dirac strings, are shown to increase in length with magnetic fields increment and no random flipping of the bars are observed in the structure.en_US
dc.description.sponsorshipNRF (Natl Research Foundation, S’pore)en_US
dc.description.sponsorshipMOE (Min. of Education, S’pore)en_US
dc.language.isoenen_US
dc.relation.ispartofseriesJournal of Magnetism and Magnetic Materialsen_US
dc.rights© 2016 Elsevier B.V.en_US
dc.subjectDomain Wallsen_US
dc.subjectSpin Iceen_US
dc.titleObservation of ice-rule violation and monopole dynamics via edge nucleation of domain walls in artificial spin ice latticeen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen_US
dc.identifier.doihttp://dx.doi.org/10.1016/j.jmmm.2016.07.005


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