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Nat Commun. 2017 Oct 17;8(1):977. doi: 10.1038/s41467-017-01065-7.

Anomalous quantization trajectory and parity anomaly in Co cluster decorated BiSbTeSe.

Nature communications

Shuai Zhang, Li Pi, Rui Wang, Geliang Yu, Xing-Chen Pan, Zhongxia Wei, Jinglei Zhang, Chuanying Xi, Zhanbin Bai, Fucong Fei, Mingyu Wang, Jian Liao, Yongqing Li, Xuefeng Wang, Fengqi Song, Yuheng Zhang, Baigeng Wang, Dingyu Xing, Guanghou Wang

Affiliations

  1. National Laboratory of Solid State Microstructures, College of Physics and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China.
  2. Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, 230026, China.
  3. High Magnetic Field Laboratory, Chinese Academy of Sciences and Collaborative Innovation Center of Advanced Microstructures, Hefei, Anhui, 230031, China.
  4. Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China.
  5. National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, and School of Electronic Science and Engineering, Nanjing University, Nanjing, 210093, China.
  6. National Laboratory of Solid State Microstructures, College of Physics and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China. [email protected].
  7. High Magnetic Field Laboratory, Chinese Academy of Sciences and Collaborative Innovation Center of Advanced Microstructures, Hefei, Anhui, 230031, China. [email protected].
  8. National Laboratory of Solid State Microstructures, College of Physics and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210093, China. [email protected].

PMID: 29042566 PMCID: PMC5645337 DOI: 10.1038/s41467-017-01065-7

Abstract

Dirac Fermions with different helicities exist on the top and bottom surfaces of topological insulators, offering a rare opportunity to break the degeneracy protected by the no-go theorem. Through the application of Co clusters, quantum Hall plateaus were modulated for the topological insulator BiSbTeSe

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