Ultrasensitive Anisotropic Room-Temperature Terahertz Photodetector Based on an Intrinsic Magnetic Topological Insulator MnBi2Te4

C Guo, Z Chen, X Yu, L Zhang, X Wang, X Chen… - Nano Letters, 2022 - ACS Publications
Terahertz photodetectors based on emergent intrinsic magnetic topological insulators
promise excellent performance in terms of highly sensitive, anisotropic and room …

Hundred-Fold Enhancement in the Anomalous Hall Effect Induced by Hydrogenation

J Liu, X Gao, K Shi, M Zhang, J Wu, V Ukleev… - Nano Letters, 2024 - ACS Publications
The anomalous Hall effect (AHE) is one of the most fascinating transport properties in
condensed matter physics. However, the AHE magnitude, which mainly depends on net spin …

Proximity-induced superconducting gap in the intrinsic magnetic topological insulator

WZ Xu, CG Chu, ZC Pan, JJ Chen, AQ Wang, ZB Tan… - Physical Review B, 2022 - APS
We report magnetotransport measurements in the NbN-magnetic topological insulator MnBi
2 Te 4 (MBT)-NbN junction at low temperature. At 10 mK, the nonlinear current-voltage …

Interplay between quantum anomalous Hall effect and magnetic skyrmions

Y Li, S Xu, J Wang, C Wang, B Yang… - Proceedings of the …, 2022 - National Acad Sciences
Quantum anomalous Hall effect (QAHE) and magnetic skyrmion (SK) represent two typical
topological states in momentum (K) and real (R) spaces, respectively. However, little is …

Layer-dependent zero-line modes in antiferromagnetic topological insulators

W Liang, T Hou, J Zeng, Z Liu, Y Han, Z Qiao - Physical Review B, 2023 - APS
Recently, the magnetic domain walls have been experimentally observed in
antiferromagnetic topological insulators MnBi 2 Te 4. Here we study the intrinsic topological …

Multiple phase transitions and the effect of disorder in the locally noncentrosymmetric ferromagnet

D Gnida, M Szlawska, M Daszkiewicz - Physical Review B, 2023 - APS
The locally noncentrosymmetric ferromagnet URhGe 2, which undergoes ordering at the
Curie temperature TC= 25 K, was subjected to a comprehensive investigation employing x …

Infrared study of the layered magnetic insulator at low temperatures

M Köpf, SH Lee, H Kumar, ZQ Mao, CA Kuntscher - Physical Review B, 2022 - APS
Topological insulators with intrinsic magnetic ordering, potentially hosting rare quantum
effects, recently attracted extensive attention. MnBi 2 Te 4 is the first established example …