370 citations · 3.4k across the 54 of their papers we have counts for
13 papers · 1 filter
Spectroscopic evidence for electron correlations in the interface-modulated epitaxial bilayer graphene
Chaofei Liu, Jian Wang
Superlattice potentials are theoretically predicted to modify the single-particle electronic structures. The resulting Coulomb-interaction-dominated low-energy physics would genera…
Equally Spaced Quantum States in van der Waals Epitaxy-Grown Nanoislands
Chaofei Liu, Chunxiang Zhao, Shan Zhong +4
Pursuing the confinement of linearly dispersive relativistic fermions is of interest in both fundamental physics and potential applications. Here, we report strong STM evidence for…
Magnetization-tuned topological quantum phase transition in MnBi2Te4 devices
Jun Ge, Yanzhao Liu, Pinyuan Wang +7
Recently, the intrinsic magnetic topological insulator MnBi2Te4 has attracted enormous research interest due to the great success in realizing exotic topological quantum states, su…
Intrinsic magnetic topological insulators
Pinyuan Wang, Jun Ge, Jiaheng Li +3
Introducing magnetism into topological insulators breaks time-reversal symmetry, and the magnetic exchange interaction can open a gap in the otherwise gapless topological surface s…
Anomalous linear magnetoresistance in high quality crystalline lead thin films
Yi Liu, Yue Tang, Ziqiao Wang +3
Intriguing novel phenomena in lead films inspire new understanding of quantum physics, such as quantum size effect and quantum phase transitions etc. The improvement of the sample…
High-Chern-Number and High-Temperature Quantum Hall Effect without Landau Levels
Jun Ge, Yanzhao Liu, Jiaheng Li +5
The quantum Hall effect (QHE) with quantized Hall resistance of h/νe2 starts the research on topological quantum states and lays the foundation of topology in physics. Afterwards,…
Unconventional Hall Effect induced by Berry Curvature
Jun Ge, Da Ma, Yanzhao Liu +10
Berry phase and Berry curvature play a key role in the development of topology in physics and do contribute to the transport properties in solid state systems. In this paper, we re…
Negative to Positive Crossover of Magnetoresistance in Layered WS2 with Ohmic Contact
Yangwei Zhang, Honglie Ning, Yanan Li +2
The discovery of graphene has ignited intensive investigation on two dimensional (2D) materials. Among them, transition metal dichalcogenide (TMDC), a typical representative, attra…
Quantum Oscillations in Black Phosphorus Two-dimensional Electron Gas
Likai Li, Guo Jun Ye, Vy Tran +9
Two-dimensional electron gases (2DEG) have been an important source of experimental discovery and conceptual development in condensed matter physics for decades. When combined with…
Electronic transport properties of topological insulator films and low dimensional superconductors
Ying Xing, Yi Sun, Meenakshi Singh +3
In this review, we present a summary of some recent experiments on topological insulators (TIs) and superconducting nanowires and films. Electron-electron interaction (EEI), weak a…
Crossover between Weak Antilocalization and Weak Localization of Bulk States in Ultrathin Bi2Se3 Films
Huichao Wang, Haiwen Liu, Cui-Zu Chang +9
We report transport studies on the 5 nm thick Bi2Se3 topological insulator films which are grown via molecular beam epitaxy technique. The angle-resolved photoemission spectroscopy…
Demonstration of surface transport in a hybrid Bi2Se3/Bi2Te3 heterostructure
Yanfei Zhao, Cui-Zu Chang, Ying Jiang +9
In spite of much work on topological insulators (TIs), systematic experiments for TI/TI heterostructures remain absent. We grow a high quality heterostructure containing single qui…
Quantum transport in topological insulator hybrid structures -- A combination of topological insulator and superconductor
YongXi Ou, Meenakshi Singh, Jian Wang
In this paper, a brief review of the history of topological insulators is given. After that,electronic transport experiments in topological insulator-superconductor hybrid structur…