301 citations · 1.1k across the 30 of their papers we have counts for
30 papers
Higher odd-order nonlinear Hall effect in magnetic topological insulator Mn(Bi1-xSbx)2Te4
Xiubing Li, Zheng Dai, Shuai Zhang +10
The nonlinear Hall effect is a new member of the Hall effect family, which attracts intense research interests, and it is closely related to the quantum geometry of quantum materia…
Demonstration of Robust Chiral Edge Transport in Field-Induced Chern Insulator MnBi2Te4 Devices with Engineered Geometric Defects
Pinyuan Wang, Jun Ge, Jiawei Luo +5
Chiral edge states in Chern insulators are theoretically predicted to propagate unidirectionally along the sample boundary with inherent robustness against local perturbations, whi…
Exchange operation of Majorana zero modes in topological insulator-based Josephson trijunctions
Yunxiao Zhang, Zhaozheng Lyu, Xiang Wang +19
Majorana zero modes are anyons obeying non-Abelian exchange statistics distinct from fermions or bosons. While significant progresses have been achieved in the past two decades in…
Field-free superconducting diode effect of NbSe2 induced by strain
Jiajun Li, Minhao Zou, Fengyi Guo +12
Superconducting diodes, similar to semiconductor diodes, possess unidirectional superconducting properties and are the fundamental units for constructing superconducting quantum co…
Gap reopening as a possible signature of coupling between Majorana zero modes in Sn-(Bi,Sb)2(Te,S)3-based Josephson trijunctions
Duolin Wang, Xiang Zhang, Yunxiao Zhang +21
In the past two decades, enormous efforts have been made to search for possible platforms and schemes to implement topological quantum computation (TQC). In exploring the Fu-Kane s…
Synthesis of intrinsic magnetic topological insulator MnBi2nTe3n+1 family by chemical vapor transport method with feedback regulation
Heng Zhang, Yiying Zhang, Yong Zhang +12
MnBi2nTe3n+1 (MBT) is a representative family of intrinsic magnetic topological insulators, in which numerous exotic phenomena such as the quantum anomalous Hall effect are expecte…
Discovery of unconventional charge-spin-intertwined density wave in magnetic kagome metal GdTi3Bi4
Xianghe Han, Hui Chen, Zhongyi Cao +14
The symmetry breaking and its interplay among spin, charge, and lattice degrees of freedom is crucial for understanding correlated quantum states such as charge density waves (CDWs…
Nonlinear Hall effect and scaling law in Sb-doped topological insulator MnBi4Te7
Shaoyu Wang, Xiubing Li, Heng Zhang +6
Nonlinear Hall effect (NLHE), as a new member of Hall effect family, has been realized in many materials, attracting a great deal of attention. Here, we report the observation of N…
Light-induced giant enhancement of nonreciprocal transport at KTaO3-based interfaces
Xu Zhang, Tongshuai Zhu, Shuai Zhang +17
Nonlinear transport is a unique functionality of noncentrosymmetric systems, which reflects profound physics, such as spin-orbit interaction, superconductivity and band geometry. H…
Magnetic kagome materials RETi3Bi4 family with weak interlayer interactions
Jingwen Guo, Liqin Zhou, Jianyang Ding +16
Kagome materials have attracted a surge of research interest recently, especially for the ones combining with magnetism, and the ones with weak interlayer interactions which can fa…
Tunable optical topological transitions of plasmon polaritons in WTe2 van der Waals films
Yuangang Xie, Chong Wang, Fucong Fei +9
Naturally existing in-plane hyperbolic polaritons and the associated optical topological transitions, which avoid the nano-structuring to achieve hyperbolicity, can outperform thei…
Observation of magnetism induced topological edge state in antiferromagnetic topological insulator MnBi4Te7
HaoKe Xu, Mingqiang Gu, Fucong Fei +16
Breaking time reversal symmetry in a topological insulator may lead to quantum anomalous Hall effect and axion insulator phase. MnBi4Te7 is a recently discovered antiferromagnetic…
Large Exchange Bias Effect and Coverage-Dependent Interfacial Coupling in CrI3/MnBi2Te4 van der Waals Heterostructures
Zhe Ying, Bo Chen, Chunfeng Li +10
Igniting interface magnetic ordering of magnetic topological insulators by building a van der Waals heterostructure can help to reveal novel quantum states and design functional de…
Charge Carrier Mediation and Ferromagnetism induced in MnBi6Te10 Magnetic Topological Insulators by antimony doping
Hangkai Xie, Fucong Fei, Fenzhen Fang +11
A new kind of intrinsic magnetic topological insulators (MTI) MnBi2Te4 family have shed light on the observation of novel topological quantum effect such as quantum anomalous Hall…
Experimental evidence on the dissipationless transport of chiral edge state of the high-field Chern insulator in MnBi2Te4 nanodevices
Zhe Ying, Shuai Zhang, Bo Chen +6
We demonstrate the dissipationless transport of the chiral edge state (CES) in the nanodevices of quantum anomalous Hall insulator candidate MnBi2Te4. The device presents a near-ze…
Reversible Engineering of Topological Insulator Surface State Conductivity through Optical Excitation
Faji Xie, Zhen Lian, Shuai Zhang +13
Despite the broadband response, limited optical absorption at a particular wavelength hinders the development of optoelectronics based on Dirac fermions. Heterostructures of graphe…
Non-abelian gauge fields in circuit systems
Jiexiong Wu, Zhu Wang, Yuanchuan Biao +8
Circuits can provide a platform to study novel physics and have been used, for example, to explore various topological phases. Gauge fields-particularly, non-Abelian gauge fields-c…
Coexistence of Ferromagnetism and Topology by Charge Carrier Engineering in intrinsic magnetic topological insulator MnBi4Te7
Bo Chen, Fucong Fei, Dinghui Wang +11
Intrinsic magnetic topological insulators (MTIs) MnBi2Te4 and MnBi2Te4/(Bi2Te3)n are expected to realize the high-temperature quantum anomalous Hall effect (QAHE) and dissipationle…
Large Magnetoresistance in Topological Insulator Candidate TaSe3
Yong Zhang, Tongshuai Zhu, Haijun Bu +11
Large unsaturated magnetoresistance (XMR) with magnitude about 1000% is observed in topological insulator candidate TaSe3 from our high field (up to 38 T) measurements. Two oscilla…
Magneto-transport and Shubnikov-de Haas oscillations in the layered ternary telluride Ta3SiTe6 topological semimetal
Muhammad Naveed, Fucong Fei, Haijun Bu +10
Topological semimetals characterize a novel class of quantum materials hosting Dirac/Weyl fermions. The important features of topological fermions can be exhibited by quantum oscil…
Experimental observation of the gate-controlled reversal of the anomalous Hall effect in the intrinsic magnetic topological insulator MnBi2Te4 device
Shuai Zhang, Rui Wang, Xuepeng Wang +17
Here we report the reserved anomalous Hall effect (AHE) in the 5-septuple-layer van der Waals device of the intrinsic magnetic topological insulator MnBi2Te4. By employing the top/…
Intrinsic magnetic topological insulator phases in the Sb doped MnBi2Te4 bulks and thin flakes
Bo Chen, Fucong Fei, Dongqin Zhang +23
Magnetic topological insulators (MTIs) offer a combination of topologically nontrivial characteristics and magnetic order and show promise in terms of potentially interesting physi…
Non-topological Origin of the Planar Hall Effect in Type-II Dirac Semimetal NiTe2
Qianqian Liu, Bo Chen, Boyuan Wei +7
Dirac and Weyl semimetals are new discovered topological nontrivial materials with the linear band dispersions around the Dirac/Weyl points. When applying non-orthogonal electric c…
Phase transition and anomalous scaling in the quantum Hall transport of topological insulator Sn-Bi1.1Sb0.9Te2S devices
Faji Xie, Shuai Zhang, Qianqian Liu +12
The scaling physics of quantum Hall transport in optimized topological insulators with a plateau precision of ~1/1000 e2/h is considered. Two exponential scaling regimes are observ…