Quantum spin Hall state in monolayer 1T'-WTe2

• Published in: Nature physics Vol. 13; no. 7; pp. 683 - 687
• Main Authors: Tang, Shujie, Zhang, Chaofan, Wong, Dillon, Pedramrazi, Zahra, Tsai, Hsin-Zon, Jia, Chunjing, Moritz, Brian, Claassen, Martin, Ryu, Hyejin, Kahn, Salman, Jiang, Juan, Yan, Hao, Hashimoto, Makoto, Lu, Donghui, Moore, Robert G., Hwang, Chan-Cuk, Hwang, Choongyu, Hussain, Zahid, Chen, Yulin, Ugeda, Miguel M., Liu, Zhi, Xie, Xiaoming, Devereaux, Thomas P., Crommie, Michael F., Mo, Sung-Kwan, Shen, Zhi-Xun
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 01.07.2017; Nature Publishing Group; Nature Publishing Group (NPG)
• Subjects: 140/146; 639/301/119/2792; 639/766/119/2792; Atomic; Boundary layer; Classical and Continuum Physics; Complex Systems; Condensed Matter Physics; Crystal structure; Dissipation; Electron spin; Electronic structure; Electrons; Energy gap; Epitaxial growth; First principles; letter; Magnetic fields; Mathematical and Computational Physics; Molecular; Monolayers; Optical and Plasma Physics; Photoelectric emission; Physics; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Quantum theory; Resistance; Scanning tunneling microscopy; Signatures; Spectrum analysis; Spin-orbit interactions; Spinning; Theoretical; Topology; Transition metal compounds; Two dimensional materials

A combination of photoemission and scanning tunnelling spectroscopy measurements provide compelling evidence that single layers of 1T'-WTe 2 are a class of quantum spin Hall insulator. A quantum spin Hall (QSH) insulator is a novel two-dimensional quantum state of matter that features quantized...