3.9k citations · 11.7k across the 66 of their papers we have counts for
66 papers
Chern insulator phase realized in dual-gate-tuned MnBi2Te4 thin films grown by molecular beam epitaxy
Yunhe Bai, Yuanzhao Li, Ruixuan Liu +19
The intrinsic magnetic order, large topological-magnetic gap and rich topological phases make MnBi2Te4 a wonderful platform to study exotic topological quantum states such as axion…
Evolution of the electronic structure of ultrathin MnBi2Te4 Films
Runzhe Xu, Yunhe Bai, Jingsong Zhou +18
Ultrathin films of intrinsic magnetic topological insulator MnBi2Te4 exhibit fascinating quantum properties such as quantum anomalous Hall effect and axion insulator state. In this…
Identifying -wave pairing symmetry in single-layer FeSe from topologically trivial edge states
Zhongxu Wei, Shengshan Qin, Cui Ding +4
Determining the pairing symmetry of single-layer FeSe on SrTiO is the key to understanding the enhanced pairing mechanism; furthermore, it guides exploring new superconductors…
Selective Trapping of Hexagonally Warped Topological Surface States in a Triangular Quantum Corral
Mu Chen, Yeping Jiang, Junping Peng +10
The surface of a three-dimensional topological insulator (TI) hosts two-dimensional massless Dirac fermions (DFs), the gapless and spin-helical nature of which yields many exotic p…
High-Temperature Anomalous Metal States in Iron-Based Interface Superconductors
Yanan Li, Haiwen Liu, Haoran Ji +14
The nature of the anomalous metal state has been a major puzzle in condensed matter physics for more than three decades. Here, we report systematic investigation and modulation of…
Origin of the Electronic Structure in Single-Layer FeSe/SrTiO3 Films
Defa Liu, Xianxin Wu, Fangsen Li +18
The accurate theoretical description of the underlying electronic structures is essential for understanding the superconducting mechanism of iron-based superconductors. Compared to…
The observation of in-plane quantum Griffiths singularity in two-dimensional crystalline superconductors
Yi Liu, Shichao Qi, Jingchao Fang +11
Quantum Griffiths singularity (QGS) reveals the profound influence of quenched disorder on the quantum phase transitions, characterized by the divergence of the dynamical critical…
Insulating Parent Phase and Distinct Doping Evolution to Superconductivity in Single-Layer FeSe/SrTiO3 Films
Yong Hu, Yu Xu, Yi-Min Zhang +19
The single-layer FeSe/SrTiO3 (FeSe/STO) films have attracted much attention because of their simple crystal structure, distinct electronic structure and record high superconducting…
Type-II Ising superconductivity and anomalous metallic state in macro-size ambient-stable ultrathin crystalline films
Yi Liu, Yong Xu, Jian Sun +13
Recent emergence of two-dimensional (2D) crystalline superconductors has provided a promising platform to investigate novel quantum physics and potential applications. To reveal es…
Edge states at nematic domain walls in FeSe films
Yonghao Yuan, Wei Li*, Bin Liu +9
Quantum spin Hall (QSH) effect is an intriguing phenomenon arising from the helical edge states in two-dimensional topological insulators. We use molecular beam epitaxy (MBE) to pr…
Superconductivity above 28 K in single unit cell FeSe films interfaced with GaO layer on NdGaO(110)
Haohao Yang, Guanyu Zhou, Yuying Zhu +12
We prepared single unit cell FeSe films on GaO terminated perovskite NdGaO(110) substrates and performed ex situ transport and scanning transmission electron microsco…
Experimental realization of an intrinsic magnetic topological insulator
Yan Gong, Jingwen Guo, Jiaheng Li +21
Intrinsic magnetic topological insulator (TI) is a stoichiometric magnetic compound possessing both inherent magnetic order and topological electronic states. Such a material can p…
Surface symmetry breaking and disorder effects on superconductivity in perovskite BaBi3 epitaxial films
Wen-Lin Wang, Yi-Min Zhang, Nan-Nan Luo +11
The structural or electronic symmetry breaking of the host lattice is a recurrent phenomenon in many quantum materials, including superconductors. Yet, how these broken symmetry st…
Anisotropic superconductivity and elongated vortices with unusual bound states in quasi-one-dimensional nickel-bismuth compounds
Wen-Lin Wang, Yi-Min Zhang, Yan-Feng Lv +7
We report low temperature scanning tunneling microscopy and spectroscopy studies of Ni-Bi films grown by molecular beam epitaxy. Highly anisotropic and twofold symmetric supercondu…
Atomic Visualization of Copper Oxide Structure in Infinite-Layer Cuprate SrCuO2
Yong Zhong, Sha Han, Yang Wang +8
We report on atomic-scale visualization of the structure of infinite-layer cuprate SrCuO2 thin films grown on Nb-doped SrTiO3 substrates by molecular beam epitaxy. In-situ scanning…
Observation of Interface Superconductivity in a SnSe2-Epitaxial Graphene van der Waals Heterostructure
Yi-Min Zhang, Jia-Qi Fan, Wen-Lin Wang +7
We report on the direct observation of interface superconductivity in single-unit-cell SnSe2 films grown on graphitized SiC(0001) substrate by means of van der Waals epitaxy. Tunne…
Observation of tunneling gap in epitaxial ultrathin films of pyrite-type copper disulfide
Chong Liu, Haohao Yang, Can-Li Song +5
We report scanning tunneling microscopy investigation on epitaxial ultrathin films of pyrite-type copper disulfide. Layer by layer growth of CuS2 films with a preferential orientat…
Origin of charge transfer and enhanced electron-phonon coupling in single unit-cell FeSe films on SrTiO3
Huimin Zhang, Ding Zhang, Xiaowei Lu +7
Interface charge transfer and electron-phonon coupling have been suggested to play a crucial role in the recently discovered high-temperature superconductivity of single unit-cell…
An extensive impurity-scattering study on the pairing symmetry of monolayer FeSe films on SrTiO3
Chong Liu, Jiahao Mao, Hao Ding +10
Determination of the pairing symmetry in monolayer FeSe films on SrTiO3 is a requisite for understanding the high superconducting transition temperature in this system, which has a…
Realizing an Epitaxial Stanene with an Insulating Bandgap
Yunyi Zang, Tian Jiang, Yan Gong +12
Stanene, a single atomic layer of Sn in a honeycomb lattice, is predicted a candidate wide bandgap two-dimensional (2D) topological insulator and can host intriguing topological st…
Spin Fluctuation Induced Linear Magnetoresistance in Ultrathin Superconducting FeSe Films
Qingyan Wang, Wenhao Zhang, Weiwei Chen +10
The discovery of high-temperature superconductivity in FeSe/STO has trigged great research interest to reveal a range of exotic physical phenomena in this novel material. Here we p…
Interface high-temperature superconductivity
Lili Wang, Xucun Ma, Qi-Kun Xue
Cuprate high temperature superconductors consist of two quasi-two-dimensional (2D) substructures: CuO2 superconducting layers and charge reservoir layers. The superconductivity is…
Nodeless pairing in superconducting copper-oxide monolayer films on Bi2Sr2CaCu2O8+δ
Yong Zhong, Yang Wang, Sha Han +13
The pairing mechanism of high-temperature superconductivity in cuprates remains the biggest unresolved mystery in condensed matter physics. To solve the problem, one of the most ef…
Experimental Observation of Topological Superconductivity and Majorana Zero Modes on beta-Bi2Pd Thin Films
Yan-Feng Lv, Wen-Lin Wang, Yi-Min Zhang +7
Using a cryogenic scanning tunneling microscopy, we report the observation of topologically nontrivial superconductivity on a single material of β-Bi2Pd films grown by molecular be…