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Spin-polarized electronic states of bilayer superconducting materials formed on solid surfaces
Kazuyuki Sakamoto  1@  
1 : Osaka University

Elucidating the origin of spin-polarized electronic states of 2D atomic layer materials (ALMs) is one of the hottest topics in both fundamental science and applications. Of the ALMs, atomic-layer superconductor with strong spin-orbit coupling has potential to become topological superconductor,1 and thus a complete understanding on the spin-polarized electronic states of these materials is an intriguing research target. In this talk, I will first present the spin-polarized electronic states of two bilayer superconducting materials, In bilayer2 and Tl bilayer, and discuss their origins. I will also show the effect of organic molecule adsorption to the Tc of one of these superconducting ALM, the In bilayer.3,4

 

References:

1) D. Sau et al., Phys. Rev. Lett. 104, 040502 (2010).

2) T. Kobayashi et al., Phys. Rev. Lett. 125, 176401 (2020).

3) S. Yoshizawa et al., Nano Lett. 17, 2287 (2020).

4) S. Inagaki et al., Phys. Rev. Materials 7, 024805 (2023).


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