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Journal Article

Moiré engineering of spin–orbit coupling in twisted platinum diselenide

MPS-Authors
/persons/resource/persons221904

Xian,  L. D.
Songshan Lake Materials Laboratory;
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free Electron Laser Science;

/persons/resource/persons22028

Rubio,  A.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free Electron Laser Science;
Center for Computational Quantum Physics, Simons Foundation Flatiron Institute;

/persons/resource/persons245033

Kennes,  D. M.
Institut für Theorie der Statistischen Physik, RWTH Aachen University and JARA-Fundamentals of Future Information Technology;
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Center for Free Electron Laser Science;

External Resource

https://arxiv.org/abs/2201.10615
(Preprint)

https://doi.org/10.1088/2516-1075/ac49f5
(Publisher version)

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Supplementary Material (public)

ESTac49f5supp1.pdf
(Supplementary material), 4KB

Citation

Klebl, L., Xu, Q., Fischer, A., Xian, L. D., Claassen, M., Rubio, A., et al. (2022). Moiré engineering of spin–orbit coupling in twisted platinum diselenide. Electronic Structure, 4(1): 014004. doi:10.1088/2516-1075/ac49f5.


Cite as: https://hdl.handle.net/21.11116/0000-0009-E8C8-0
Abstract
We study the electronic structure and correlated phases of twisted bilayers of platinum diselenide using large-scale ab initio simulations combined with the functional renormalization group. PtSe2 is a group-X transition metal dichalcogenide, which hosts emergent flat bands at small twist angles in the twisted bilayer. Remarkably, we find that Moiré engineering can be used to tune the strength of Rashba spin–orbit interactions, altering the electronic behavior in a novel manner. We reveal that an effective triangular lattice with a twist-controlled ratio between kinetic and spin–orbit coupling (SOC) scales can be realized. Even dominant SOC can be accessed in this way and we discuss consequences for the interaction driven phase diagram, which features pronounced exotic superconducting and entangled spin-charge density waves.