Publikation:

Quantum interference tuning of spin-orbit coupling in twisted van der Waals trilayers

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2022

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Physical Review Research. American Physical Society. 2022, 4(2), L022049. eISSN 2643-1564. Available under: doi: 10.1103/PhysRevResearch.4.L022049

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We show that in van der Waals stacks of twisted hexagonal layers the proximity induced Rashba spin-orbit coupling can be affected by quantum interference. We calculate the quantum phase responsible for this effect in graphene–transition metal dichalcogenide bilayers as a function of interlayer twist angle. We show how this quantum phase affects the spin polarization of the graphene bands and discuss its potential effect on spin-to-charge conversion measurements. In twisted trilayers symmetries can be broken as well as restored for certain twist angles. This can be used to deduce the effects of induced spin-orbit coupling on spin-lifetime anisotropy and magnetoconductance measurements.

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ISO 690PÉTERFALVI, Csaba G., Alessandro DAVID, Péter RAKYTA, Guido BURKARD, Andor KORMÁNYOS, 2022. Quantum interference tuning of spin-orbit coupling in twisted van der Waals trilayers. In: Physical Review Research. American Physical Society. 2022, 4(2), L022049. eISSN 2643-1564. Available under: doi: 10.1103/PhysRevResearch.4.L022049
BibTex
@article{Peterfalvi2022-05-31Quant-57966,
  year={2022},
  doi={10.1103/PhysRevResearch.4.L022049},
  title={Quantum interference tuning of spin-orbit coupling in twisted van der Waals trilayers},
  number={2},
  volume={4},
  journal={Physical Review Research},
  author={Péterfalvi, Csaba G. and David, Alessandro and Rakyta, Péter and Burkard, Guido and Kormányos, Andor},
  note={Article Number: L022049}
}
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