297 citations · 945 across the 14 of their papers we have counts for
14 papers
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…
Temperature effect on the coupling between coherent longitudinal phonons and plasmons in n- and p-type GaAs
Jianbo Hu, Hang Zhang, Yi Sun +2
The coupling between longitudinal optical (LO) phonons and plasmons plays a fundamental role in determining the performance of doped semiconductor devices. In this work, we report…
Novel voltage signal at proximity effect induced superconducting transition temperature in gold nanowires
Jian Wang, Junxiong Tang, Ziqiao Wang +3
We observed a novel voltage peak in the proximity effect induced superconducting gold (Au) nanowire while cooling the sample through the superconducting transition temperature. The…
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…
On the origin of critical temperature enhancement in atomically-thin superconductors
Evgeny Talantsev, Wayne Crump, Joshua Island +4
Recent experiments showed that thinning gallium, iron selenide and 2H tantalum disulfide to single/several monoatomic layer(s) enhances their superconducting critical temperatures.…
Thickness dependence of superconductivity and superconductor-insulator transition in ultrathin FeSe films on SrTiO3(001) substrate
Qingyan Wang, Wenhao Zhang, Zuocheng Zhang +7
Interface-enhanced high-temperature superconductivity in one unit-cell (UC) FeSe film on SrTiO3(001) (STO) substrate has recently attracted much attention in condensed matter physi…
High temperature superconducting FeSe films on SrTiO3 substrates
Yi Sun, Wenhao Zhang, Ying Xing +7
Interface enhanced superconductivity at two dimensional limit has become one of most intriguing research directions in condensed matter physics. Here, we report the superconducting…
Detection of a superconducting phase in a two-atom layer of hexagonal Ga film grown on semiconducting GaN(0001)
Huimin Zhang, Yi Sun, Wei Li +21
The recent observation of superconducting state at atomic scale has motivated the pursuit of exotic condensed phases in two-dimensional (2D) systems. Here we report on a supercondu…
Direct observation of high temperature superconductivity in one-unit-cell FeSe films
Wenhao Zhang, Yi Sun, Jinsong Zhang +26
Heterostructure based interface engineering has been proved an effective method for finding new superconducting systems and raising superconductivity transition temperature (TC). I…
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…
Superconductivity in single crystalline Pb nanowires contacted by normal metal electrodes
Jian Wang, Yi Sun, Mingliang Tian +3
The transport properties of superconducting single crystal Pb nanowires of 55 nm and 70 nm diameter are studied by standard four electrodes method. Resistance-temperature (R-T) sca…
Current induced anisotropic magnetoresistance in topological insulator films
Jian Wang, Handong Li, Cui-Zu Chang +7
Topological insulators are insulating in the bulk but possess spin-momentum locked metallic surface states protected by time-reversal symmetry. The existence of these surface state…