2022•Nature MaterialsRequires access

Evidence of a room-temperature quantum spin Hall edge state in a higher-order topological insulator

Nana Shumiya, Md Shafayat Hossain, Jia‐Xin Yin, Zhiwei Wang, Maksim Litskevich, Chiho Yoon, Yongkai Li, Ying Yang, Yu‐Xiao Jiang, Guangming Cheng, Yen-Chuan Lin, Qi Zhang, Zi‐Jia Cheng, Tyler A. Cochran, Daniel Multer, Xiàn Yáng, Brian Casas, Tay-Rong Chang, Titus Neupert, Zhujun Yuan, Shuang Jia, Hsin Lin, Nan Yao, Luis Balicas, Fan Zhang, Yugui Yao, M. Zahid Hasan

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Key concepts: Topological insulator, Topological order, Quantum spin Hall effect, Condensed matter physics, Quantum Hall effect, Topology (electrical circuits), Physics, Symmetry protected topological order