Charge and Heat Transport Phenomena in Electronic and Spin Structures in B20-type Compounds (Hardcover, 1st ed. 2015)

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.

General

Imprint:	Springer Verlag,Japan
Country of origin:	Japan
Series:	Springer Theses
Release date:	August 2015
First published:	2015
Authors:	Naoya Kanazawa
Dimensions:	235 x 155 x 11mm (L x W x T)
Format:	Hardcover - Cloth over boards
Pages:	89
Edition:	1st ed. 2015
ISBN-13:	978-4-431-55659-6
Categories:	Books > Science & Mathematics > Physics > Electricity, magnetism & electromagnetism Books > Science & Mathematics > Physics > Atomic & molecular physics Books > Science & Mathematics > Physics > States of matter > Condensed matter physics (liquids & solids) Books > Professional & Technical > Mechanical engineering & materials > Materials science > General
LSN:	4-431-55659-1
Barcode:	9784431556596

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