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This book presents the transport studies of topological insulator
thin films grown by molecular beam epitaxy. Through band structure
engineering, the ideal topological insulators, (Bi1 xSbx)2Te3
ternary alloys, are successfully fabricated, which possess truly
insulating bulk and tunable conducting surface states. Further
transport measurements on these ternary alloys reveal a
disentanglement between the magnetoelectric and thermoelectric
properties. In magnetically doped topological insulators, the
fascinating quantum anomalous Hall effect was experimentally
observed for the first time. Moreover, the topology-driven magnetic
quantum phase transition was Systematically controlled by varying
the strength of the spin-orbital coupling. Readers will not only
benefit from the description of the technique of transport
measurements, but will also be inspired by the understanding of
topological insulators.
This book presents the transport studies of topological insulator
thin films grown by molecular beam epitaxy. Through band structure
engineering, the ideal topological insulators, (Bi1 xSbx)2Te3
ternary alloys, are successfully fabricated, which possess truly
insulating bulk and tunable conducting surface states. Further
transport measurements on these ternary alloys reveal a
disentanglement between the magnetoelectric and thermoelectric
properties. In magnetically doped topological insulators, the
fascinating quantum anomalous Hall effect was experimentally
observed for the first time. Moreover, the topology-driven magnetic
quantum phase transition was Systematically controlled by varying
the strength of the spin-orbital coupling. Readers will not only
benefit from the description of the technique of transport
measurements, but will also be inspired by the understanding of
topological insulators.
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