Skyrmions in Magnetic Materials

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For Librarians. RSS Feeds. Chemistry World. Education in Chemistry. Open Access. Historical Collection. You do not have JavaScript enabled. Please enable JavaScript to access the full features of the site or access our non-JavaScript page. Issue 5, Previous Article Next Article. From the journal: Journal of Materials Chemistry C. The limit to realize an isolated magnetic single skyrmionic state. You have access to this article.

Please wait while we load your content Something went wrong. Try again? Cited by. Back to tab navigation Download options Please wait Article type: Paper. DOI: Download Citation: J. The limit to realize an isolated magnetic single skyrmionic state M. Devi, W.

Koshibae, G. Novel skyrmion device concepts such as bio-inspired components and topological quantum computing, etc. For skyrmionic devices in which skyrmions are utilized as information carriers, more energy-efficient ways of creating, manipulating and detecting skyrmionic bits at room temperature and under zero applied magnetic field in all-electrical schemes are still being intensively researched. Some practical issues are yet to be addressed. However, rapid advances have been achieved in materials and structure optimization of magnetic multilayers [ 15—19 ], which make us optimistic for realization of fully functionalized skyrmionic devices based on the proposed skyrmion device concepts and prototypes in this exciting field.

Oxford University Press is a department of the University of Oxford. It furthers the University's objective of excellence in research, scholarship, and education by publishing worldwide. Sign In or Create an Account. Sign In. Advanced Search. Article Navigation. Close mobile search navigation Article Navigation. Volume 6. Article Contents. Magnetic skyrmions: intriguing physics and new spintronic device concepts Yan Zhou. E-mail: zhouyan cuhk. Oxford Academic. Google Scholar. Cite Citation.

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View Metrics. We first demonstrated that the skyrmion state in helimagnetic MnSi NWs with varied diameters from nm to nm can exist in a substantially extended T-H region.

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  4. We have observed magnetic field-driven cascading quantized transitions of skyrmion cluster states in these thinner MnSi NWs using refined magneto-transport measurements. We collaborated with Prof. For such individual nanostructures, dynamic-mode cantilever magnetometry developed by Prof. Poggio is an ideal method for investigating the magnetization in various magnetic field orientations.

    Whirls in magnets: from skyrmions to magnetic monopoles

    The stability of the skyrmion phase depends on the orientation of the NWs with respect to the applied magnetic field, suggesting that magnetic anisotropy induced by surface effect is responsible for the stabilization. The additional transitions observed by cantilever magnetometry Fig. Scheme of the dynamic cantilever magnetometry measurement of NWs and the magnetic phase diagrams determined for a single MnSi NW using this technique.

    Building on these past achievements and new nanowires of B20 silicides and germanides, we are currently working on fabricating and measuring nanodevices to create, manipulate, and detect isolated magnetic skyrmions in nanowires. They will open up new design concepts for developing novel spintronic devices with low-power, enhanced performance, and therefore bring broad technological impacts.

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