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OverviewThis thesis presents systematic experimental research on chiral-lattice crystals referred to as B20-type germanium compounds, especially focusing on skyrmion spin textures and Dirac electrons. An emergent electromagnetic field observed in MnGe demonstrates a formation of three-dimensional skyrmion crystals. Detection of skyrmions in nanoscale Hall bar devices made of FeGe is realized by measuring the topological Hall effect, a transport property reflecting emergent fields produced by skyrmions. By measuring the electron-filling dependence of thermopower in CoGe, a pronounced thermoelectric property in this compound is revealed to stem from the asymmetric density of states appearing at certain levels of Fermi energy in the Dirac electron state. The three main results named above will contribute to enriching a variety of novel electromagnetic responses of emergent gauge fields in solids, to realizing high-performance skyrmion-based magnetic memory, and to designing high-efficiency thermoelectric materials, respectively. Full Product DetailsAuthor: Naoya KanazawaPublisher: Springer Verlag, Japan Imprint: Springer Verlag, Japan Edition: Softcover reprint of the original 1st ed. 2015 Weight: 1.897kg ISBN: 9784431563068ISBN 10: 4431563067 Pages: 89 Publication Date: 23 October 2016 Audience: Professional and scholarly , Professional & Vocational Format: Paperback Publisher's Status: Active Availability: Manufactured on demand  We will order this item for you from a manufactured on demand supplier. Table of ContentsReviewsAuthor InformationDr.Naoya Kanazawa Department of Applied Physics, University of Tokyo kanazawa@ap.t.u-tokyo.ac.jp Tab Content 6Author Website:Countries AvailableAll regions |
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