The impact of metallic contacts on spin-polarized photocurrents in topological insulator Bi 2 Se 3 nanowires

@article{Meyer2020TheIO,
  title={The impact of metallic contacts on spin-polarized photocurrents in topological insulator Bi 2 Se 3 nanowires},
  author={Nina Meyer and Kevin Geishendorf and Jakob Walowski and A Thomas and Markus M{\"u}nzenberg},
  journal={arXiv: Mesoscale and Nanoscale Physics},
  year={2020}
}
Recently, a new quantum phase, the topological insulator, has been vividly investigated in a variety of materials. Its unique bandstructure allows for optical generation and control of spin-polarized currents based on the circular photogalvanic effect. In this paper, we generate and distinguish the different photocurrent contributions via the the polarization of the driving light wave. We discuss the helicity-dependent spin-polarized current and the polarization independent thermoelectric… 
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