Type-II Ising Superconductivity in Two-Dimensional Materials with Spin-Orbit Coupling

Chong Wang; Biao Lian; Xiaomi Guo; Jiahao Mao; Zetao Zhang; Ding Zhang; Bing-Lin Gu; Yong Xu; Wenhui Duan

doi:10.1103/PhysRevLett.123.126402

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Type-II Ising Superconductivity in Two-Dimensional Materials with Spin-Orbit Coupling

Chong Wang, Biao Lian, Xiaomi Guo, Jiahao Mao, Zetao Zhang, Ding Zhang, Bing-Lin Gu, Yong Xu, Wenhui Duan

DOI 10.1103/PhysRevLett.123.126402 · Physical Review Letters

T1

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Abstract

Centrosymmetric materials with spin-degenerate bands are generally considered to be trivial for spintronics and related physics. In two-dimensional (2D) materials with multiple degenerate orbitals, we find that the spin-orbit coupling can induce spin-orbital locking, generate out-of-plane Zeeman-like fields displaying opposite signs for opposing orbitals, and create novel electronic states insensitive to the in-plane magnetic field, which thus enables a new type of Ising superconductivity applicable to centrosymmetric materials. Many candidate materials are identified by high-throughput first-principles calculations. Our work enriches the physics and materials of Ising superconductivity, opening new opportunities for future research of 2D materials.

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Formula	Reported Tc (K)	Pressure (GPa)	Type
SnH Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	—	Pressure not reported	unknown