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Charge and heat transport phenomena ...

Kanazawa, Naoya.

Charge and heat transport phenomena in electronic and spin structures in B20-type compounds

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Charge and heat transport phenomena in electronic and spin structures in B20-type compoundsby Naoya Kanazawa.
作者:	Kanazawa, Naoya.
出版者:	Tokyo :Springer Japan :2015.
面頁冊數:	xii, 89 p. :ill. (some col.), digital ;24 cm.
Contained By:	Springer eBooks
標題:	Charge transfer.
電子資源:	http://dx.doi.org/10.1007/978-4-431-55660-2
ISBN:	9784431556602 (electronic bk.)

Charge and heat transport phenomena in electronic and spin structures in B20-type compounds
Kanazawa, Naoya.

Charge and heat transport phenomena in electronic and spin structures in B20-type compounds[electronic resource] /by Naoya Kanazawa. - Tokyo :Springer Japan :2015. - xii, 89 p. :ill. (some col.), digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Introduction -- Experimental methods -- Magnetic and transport properties in B20-type germanides -- 3D skyrmion-lattice and topological Hall effect in MnGe -- Skyrmion formation in epitaxial FeGe thin films -- 3D Dirac electrons and large thermoelectric properties in CoGe -- Conclusion.

This 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.

ISBN: 9784431556602 (electronic bk.)

Standard No.: 10.1007/978-4-431-55660-2doiSubjects--Topical Terms:

230006
Charge transfer.

LC Class. No.: QC173

Dewey Class. No.: 537.21

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