Quantized Phenomena of Transport and Magneto-Optics in Magnetic Topological Insulator Heterostructures
(Sprache: Englisch)
This book presents experimental studies on emergent transport and magneto-optical properties in three-dimensional topological insulators with two-dimensional Dirac fermions on their surfaces. Designing magnetic heterostructures utilizing a cutting-edge...
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This book presents experimental studies on emergent transport and magneto-optical properties in three-dimensional topological insulators with two-dimensional Dirac fermions on their surfaces. Designing magnetic heterostructures utilizing a cutting-edge growth technique (molecular beam epitaxy) stabilizes and manifests new quantization phenomena, as confirmed by low-temperature electrical transport and time-domain terahertz magneto-optical measurements. Starting with a review of the theoretical background and recent experimental advances in topological insulators in terms of a novel magneto-electric coupling, the author subsequently explores their magnetic quantum properties and reveals topological phase transitions between quantum anomalous Hall insulator and trivial insulator phases; a new topological phase (the axion insulator); and a half-integer quantum Hall state associated with the quantum parity anomaly. Furthermore, the author shows how these quantum phases can be significantly stabilized via magnetic modulation doping and proximity coupling with a normal ferromagnetic insulator. These findings provide a basis for future technologies such as ultra-low energy consumption electronic devices and fault-tolerant topological quantum computers.Inhaltsverzeichnis zu „Quantized Phenomena of Transport and Magneto-Optics in Magnetic Topological Insulator Heterostructures “
Introduction.- Experimental Methods.- Magnetic Modulation Doping For Quantum Anomalous Hall Effect.- Magnetic Proximity Induced Quantum Anomalous Hall Effect.- Topological Phase Transitions Relevant to Quantum Anomalous Hall Effect.- Half-integer Quantized Electrodynamics in 3D Topological Insulator.- Summary.Autoren-Porträt von Masataka Mogi
Masataka Mogi received his Ph.D. in Engineering from University of Tokyo in 2020. He is now a postdoctoral fellow at the Department of Physics in Massachusetts Institute of Technology.Bibliographische Angaben
- Autor: Masataka Mogi
- 2022, 1st ed. 2022, XV, 109 Seiten, 61 farbige Abbildungen, Maße: 15,5 x 23,5 cm, Gebunden, Englisch
- Verlag: Springer, Berlin
- ISBN-10: 9811921369
- ISBN-13: 9789811921360
Sprache:
Englisch
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