650 citations · 1.7k across the 49 of their papers we have counts for
49 papers
Evolution of orbital excitations from insulating to superconducting MgTiO films
Qizhi Li, Abhishek Nag, Xiquan Zheng +6
Spinel oxides are well-known functional materials but rarely show superconductivity. Recently, emergent superconductivity was discovered in MgTiO, which is attributed to th…
In-situ electrical and thermal transport properties of FeySe1-xTex films with ionic liquid gating
Juan Xu, Mingyang Qin, Zefeng Lin +13
We combine in-situ electrical transport and Seebeck coefficient measurements with the ionic liquid gating technique to investigate superconductivity and the normal state of FeySe1-…
Exploration of growth conditions of TaAs Weyl semimetal thin film by pulsed laser deposition
Shien Li, Zefeng Lin, Wei Hu +9
TaAs, the first experimentally discovered Weyl semimetal material, has attracted a lot of attention due to its high carrier mobility, high anisotropy, nonmagnetic and strong intera…
Phase diagrams on composition-spread FeTeSe films
Zefeng Lin, Sijia Tu, Juan Xu +9
FeTeSe, an archetypical iron-based high-temperature superconductor with a simple structure but rich physical properties, has attracted lots of attention because the…
A disorder-sensitive emergent vortex phase identified in high-Tc superconductor (Li,Fe)OHFeSe
Dong Li, Peipei Shen, Jinpeng Tian +14
The magneto-transport properties are systematically measured under c-direction fields up to 33 T for a series of single-crystal films of intercalated iron-selenide superconductor (…
Epitaxial stabilization of an orthorhombic Mg-Ti-O superconductor
Zhuang Ni, Wei Hu, Qinghua Zhang +10
The family of titanium oxide superconductors exhibits many intriguing phenomena comparable to cuprates and iron pnictides/chalcogenides, and thus provides an ideal platform to cont…
Emergence of superconducting dome in insulating ZrNx films via nitrogen manipulation
Fucong Chen, Xinbo Bai, Yuxin Wang +19
Reproducing the electronic phase diagram of strongly correlated high-transition-temperature (high-Tc) superconductors in materials other than Cu-, Fe-, and Ni-based compounds has b…
Unusual normal and superconducting state properties observed in hydrothermal Fe1-xSe flakes
Shaobo Liu, Sheng Ma, Zhaosheng Wang +14
The electronic and superconducting properties of Fe1-xSe single-crystal flakes grown hydrothermally are studied by the transport measurements under zero and high magnetic fields up…
Anisotropic superconducting properties of Kagome metal CsV3Sb5
Shunli Ni, Sheng Ma, Yuhang Zhang +18
We systematically measure the superconducting (SC) and mixed state properties of high-quality CsV3Sb5 single crystals with Tc ~ 3.5 K. We find that the upper critical field Hc2(T)…
Universal scaling of the critical temperature and the strange-metal scattering rate in unconventional superconductors
Jie Yuan, Qihong Chen, Kun Jiang +17
Dramatic evolution of properties with minute change in the doping level is a hallmark of the complex chemistry which governs cuprate superconductivity as manifested in the celebrat…
Enhancement of Superconductivity Linked with Linear-in-Temperature/Field Resistivity in Ion-Gated FeSe Films
Xingyu Jiang, Mingyang Qin, Xinjian Wei +25
Iron selenide (FeSe) - the structurally simplest iron-based superconductor, has attracted tremendous interest in the past years. While the transition temperature (Tc) of bulk FeSe…
Determining the absolute value of magnetic penetration depth in small-sized superconducting films
Ruozhou Zhang, Mingyang Qin, Lu Zhang +6
In the previous four decades, a two-coil mutual inductance (MI) technique has been widely employed in characterizing magnetic penetration depth, , of superconducting films. Howe…
Roton pair density wave and unconventional strong-coupling superconductivity in a topological kagome metal
Hui Chen, Haitao Yang, Bin Hu +21
The transition-metal kagome lattice materials host frustrated, correlated, and topological quantum states of matter. Recently, a new family of vanadium-based kagome metals AV3Sb5 (…
Magnetic field-tuned quantum criticality in optimally electron-doped cuprate thin films
Xu Zhang, Heshan Yu, Qihong Chen +14
Antiferromagnetic (AF) spin fluctuations are commonly believed to play a key role in electron pairing of cuprate superconductors. In electron-doped cuprates, it is still in paradox…
Ionic liquid gating induced two superconductor-insulator phase transitions in spinel oxide LiTiO
Zhongxu Wei, Qian Li, Ben-Chao Gong +13
The associations between emergent physical phenomena (e.g., superconductivity) and orbital, charge, and spin degrees of freedom of electrons are intriguing in transition metal…
Electronic phase diagram of iron chalcogenide superconductors FeSe1-xSx and FeSe1-yTey
Shaobo Liu, Jie Yuan, Soonsang Huh +13
Here we establish a combined electronic phase diagram of isoelectronic FeSe1-xSx (0.19 > x > 0.0) and FeSe1-yTey (0.04 < y < 1.0) single crystals. The FeSe1-yTey crystals with y =…
Combinatorial Laser Molecular Beam Epitaxy System Integrated with Specialized Low-temperature Scanning Tunneling Microscopy
Ge He, Zhongxu Wei, Zhongpei Feng +6
We present a newly developed facility, comprised of a combinatorial laser molecular beam epitaxy system and an in-situ scanning tunneling microscopy (STM). This facility aims at ac…
Recent advances in high-throughput superconductivity research
J. Yuan, V. Stanev, C. Gao +2
Superconducting materials find applications in a rapidly growing number of technological areas, and searching for novel superconductors continues to be a major scientific task. How…
Giant enhancement of critical current density at high field in superconducting (Li,Fe)OHFeSe films by Mn doping
Dong Li, Jie Yuan, Peipei Shen +14
Critical current density (Jc) is one of the major limiting factors for high field applications of iron-based superconductors. Here, we report that Mn-ions are successfully incorpor…
Doping evolution of the charge excitations and electron correlations in electron-doped superconducting LaCeCuO
J. Q. Lin, Jie Yuan, Kui Jin +10
Electron correlations play a dominant role in the charge dynamics of the cuprates. We use resonant inelastic x-ray scattering (RIXS) to track the doping dependence of the collectiv…
Non-Volatile Superconductivity in an Insulating Copper Oxide Induced via Ionic Liquid Gating
Xinjian Wei, Hao-bo Li, Qinghua Zhang +19
Manipulating the superconducting states of high-T_c cuprate superconductors in an efficient and reliable way is of great importance for their applications in next-generation electr…
Emergent superconductivity in single crystalline films via structural engineering
Wei Hu, Zhongpei Feng, Ben-Chao Gong +15
Spinel compounds have demonstrated rich functionalities but rarely shown superconductivity. Here, we report the emergence of superconductivity in the spinel $\mathrm{MgTi}_2\mathrm…
Detailed Electronic Structure of the Three-Dimensional Fermi Surface and its Sensitivity to Charge Density Wave Transition in ZrTe3 Revealed by High Resolution Laser-Based Angle-Resolved Photoemission Spectroscopy
Shou-Peng Lyu, Li Yu, Jian-Wei Huang +9
The detailed information of the electronic structure is the key for understanding the nature of charge density wave (CDW) order and its relationship with superconducting order in m…
Anomalies of upper critical field in the spinel superconductor LiTiO
Zhongxu Wei, Ge He, Wei Hu +11
High-field electrical transport and point-contact tunneling spectroscopy were used to investigate superconducting properties of the unique spinel oxide, LiTiO films wit…