Opportunities in topological insulator devices

被引：84
作者：
Breunig, Oliver [1 ]
Ando, Yoichi [1 ]
机构：
[1] Univ Cologne, Phys Inst 2, Cologne, Germany
来源：
NATURE REVIEWS PHYSICS | 2022年 / 4卷 / 03期
基金：
欧洲研究理事会;
关键词：
SURFACE-STATES; INTERFERENCE; LITHOGRAPHY;
D O I：
10.1038/s42254-021-00402-6
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Topological insulators are unique materials giving rise to unconventional quantum phenomena. This Technical Review discusses how various physics effects can only be observed in devices carefully fabricated to address them, including topological superconductivity, quantum anomalous Hall states, spintronic functionalities and topological mesoscopic physics. Topological insulators (TIs) hold promise as a platform for unique quantum phenomena. However, realizing these phenomena experimentally requires sophisticated devices. In this Technical Review, we discuss four topics of particular interest for TI devices: topological superconductivity, quantum anomalous Hall insulators as a platform for exotic phenomena, spintronic functionalities and topological mesoscopic physics. We also discuss the status and technical challenges in fabricating TI devices to address new physics.
引用
收藏
页码：184 / 193
页数：10
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