Hedgehog spin texture and Berry's phase tuning in a magnetic topological insulator

@inproceedings{Xu2012HedgehogST,
  title={Hedgehog spin texture and Berry's phase tuning in a magnetic topological insulator},
  author={Shiyou Xu and Madhab Neupane and Chang Liu and Duming M. Zhang and Anthony Richardella and Lewis Andrew Wray and Nasser Alidoust and Mats Leandersson and Thiagarajan Balasubramanian and Jaime S'anchez-Barriga and Oliver Rader and Gabriel Landolt and Bartosz Slomski and Jan Hugo Dil and J{\"u}rg Osterwalder and Tay-Rong Chang and Horng-Tay Jeng and Honghuang Lin and Arun Bansil and Nitin Samarth and Md. Zahid Hasan},
  year={2012}
}
Understanding and control of spin degrees of freedom on the surfaces of topological materials are key to future applications as well as for realizing novel physics such as the axion electrodynamics associated with time-reversal (TR) symmetry breaking on the surface. We experimentally demonstrate magnetically induced spin reorientation phenomena simultaneous with a Dirac-metal to gapped-insulator transition on the surfaces of manganese-doped Bi2Se3 thin films. The resulting electronic… CONTINUE READING
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