Magneto-transport Properties of Skyrmions and Chiral Spin Structures in MnSi

This book provides extensive and novel insights into transport phenomena in MnSi, paving the way for applying the topology and chirality of spin textures to the development of spintronics devices. In particular, it describes in detail the key measurements, e.g. magnetoresistance and nonlinear electronic transport, and multiple material-fabrication techniques based on molecular beam epitaxy, ion-beam microfabrication and micromagnetic simulation.

The book also reviews key aspects of B20-type MnSi chiral magnets, which host magnetic skyrmions, nanoscale objects formed by helical spatial spin structures. Readers are then introduced to cutting-edge findings on the material. Furthermore, by reviewing the author's successful experiments, the book provides readers with a valuable update on the latest achievements in the measurement and fabrication of magnetic materials in spintronics.

Nominated as an outstanding PhD thesis by the Department of Applied Physics at the University of Tokyo Provides a comprehensive introduction to magnetic skyrmions in crystals without inversion symmetry Presents measurement experiments on nontrivial electric transport caused by the chirality and topology of spatial spin textures

Autorentext

Tomoyuki Yokouchi is a Special Postdoctoral Researcher at RIKEN. His work mainly involves magnetism and spintronics. He received his Bachelor, Master and PhD in Engineering from the University of Tokyo in 2013, 2015 and 2018, respectively. He was awarded a research fellowship for young scientists from the Japan Society for the Promotion of Science (JSPS), and was supported by JSPS during his doctoral program.

Inhalt
Introduction.- Experimental Method.- Planar Hall Eect in MnSi.- Electrical Magnetochiral Eect in Mnsi.- Current-Induced Dynamics of Skyrmion Strings Investigated by Nonreciprocal Hall Eect.- Transport Properties and Stability of Skyrmions in Mnsi Thin lms.- Conclusion.<p