5 papers
Designing Magnetic Topological Insulator Trilayers for Highly-Efficient Spin-Orbit Torque Switching
Ling-Jie Zhou, Deyi Zhuo, Han Tay +5
Spin-orbit torque (SOT) enables efficient electrical control of magnetization, offering a pathway towards low-power spintronic devices. Magnetic topological insulators (TIs), with…
Boundary-Bulk Interplay in Nonlinear Topological Transport
Deyi Zhuo, Xiaoda Liu, Huu-Thong Le +7
Nonlinear transport has emerged as a powerful approach to probe the quantum geometry of electronic wavefunctions, such as Berry curvature and quantum metric, in topological materia…
Evidence for Half-Quantized Chiral Edge Current in a C = 1/2 Parity Anomaly State
Deyi Zhuo, Bomin Zhang, Humian Zhou +5
A single massive Dirac surface band is predicted to exhibit a half-quantized Hall conductance, a hallmark of the C = 1/2 parity anomaly state in quantum field theory. Experimental…
Orbital Hybridization-Induced Ising-Type Superconductivity in a Confined Gallium Layer
Hemian Yi, Yunzhe Liu, Chengye Dong +24
In low-dimensional superconductors, the interplay between quantum confinement and interfacial hybridization effects can reshape Cooper pair wavefunctions and induce novel forms of…
Gate-Tunable Ambipolar Josephson Current in a Topological Insulator
Bomin Zhang, Xiaoda Liu, Junjie Qi +9
Dirac surface states in a topological insulator (TI) with proximity-induced superconductivity offer a promising platform for realizing topological superconductivity and Majorana ph…