423 citations · 2.1k across the 26 of their papers we have counts for
22 papers · 1 filter
Three-dimensional charge density wave and robust zero-bias conductance peak inside the superconducting vortex core of a kagome superconductor CsVSb
Zuowei Liang, Xingyuan Hou, Fan Zhang +9
The transition-metal-based kagome metals provide a versatile platform for correlated topological phases hosting various electronic instabilities. While superconductivity is rare in…
Evidence of Interfacial Topological Superconductivity on the Topological Semimetal Tungsten Carbide Induced by Metal Deposition
W. L. Zhu, X. Y. Hou, J. Li +10
Interfaces between materials with different electronic ground states have become powerful platforms for creating and controlling novel quantum states of matter, in which inversion…
Superconductivity in LaPd2Bi2 with CaBe2Ge2-type structure
Qing-Ge Mu, Bo-Jin Pan, Bin-Bin Ruan +5
Here we report the synthesis and superconductivity of a novel ternary compound LaPd2Bi2. Shiny plate-like single crystals of LaPd2Bi2 were first synthesized by high-temperature sol…
Normal State Gap in Parent Cuprate Pr2CuO4+/-δ
Ge He, Xinjian Wei, Xu Zhang +5
We present a tunneling study on single crystalline parent cuprate thin films, i.e. a series of Pr2CuO4+/-δ(PCO) with tunable superconducting transition temperature. The zero-bias a…
Observation of a Robust Zero-energy Bound State in Iron-based Superconductor Fe(Te,Se)
J. -X. Yin, Zheng Wu, J. -H. Wang +14
A robust zero-energy bound state (ZBS) in a superconductor, such as a Majorana or Andreev bound state, is often a consequence of non-trivial topological or symmetry related propert…
Close relationship between superconductivity and the bosonic mode in Ba0.6K0.4Fe2As2 and Na(Fe0.975Co0.025)As
Zhenyu Wang, Huan Yang, Delong Fang +6
Since the discovery of high temperature superconductivity in the iron pnictides and chalcogenides in early 2008, a central issue has been the microscopic origin of the superconduct…
Evidence of a spin resonance mode in the iron-based superconductor BaKFeAs from scanning tunneling spectroscopy
Lei Shan, Jing Gong, Yong-Lei Wang +8
We used high-resolution scanning tunneling spectroscopy to study the hole-doped iron pnictide superconductor BaKFeAs ( K). Features of a bosonic…
Vortex images on Ba{1-x}KxFe2As2 observed directly by the magnetic force microscopy
Huan Yang, Bing Shen, Zhenyu Wang +3
The vortex states on optimally doped Ba0.6K0.4Fe2As2 and underdoped Ba0.77K0.23Fe2As2 single crystals are imaged by magnetic force microscopy at various magnetic fields below 100 O…
Transport properties and asymmetric scattering in BaKFeAs single crystals compared to the electron doped counterparts Ba(FeCo)As}
Bing Shen, Huan Yang, Zhao-Sheng Wang +5
Resistivity, Hall effect and magnetoresistance have been investigated systematically on single crystals of BaKFeAs ranging from undoped to optimally doped regio…
Gap Anisotropy in Iron-Based Superconductors: A Point-Contact Andreev Reflection Study of BaFeNiAs Single Crystals
Cong Ren, Zhao-Sheng Wang, Zhen-Yu Wang +7
We report a systematic investigation on c-axis point-contact Andreev reflection (PCAR) in BaFeNiAs superconducting single crystals from underdoped to overdoped regi…
Low Temperature Specific Heat of Optimally Doped BaFeAs ( = Co and Ni) Single Crystals: Constraint on the Pairing Gap
Bin Zeng, Gang Mu, Bing Shen +6
Low temperature specific heat has been measured in optimally doped and highly overdoped non-superconducting BaFeTMAs ( = Co and Ni) single crystals. By using…
Observation of Lattice and Andreev Bound States of Vortices in Ba0.6K0.4Fe2As2 Single Crystals with Scanning Tunneling Microscopy/Spectroscopy
Lei Shan, Yong-Lei Wang, Bing Shen +9
For a type-II superconductor, when the applied magnetic field is higher than the lower critical value Hc1, the magnetic flux will penetrate into the superconductor and form quantiz…
Flux dynamics and vortex phase diagram in single crystals revealed by magnetization and its relaxation
Bing Shen, Peng Cheng, Zhaosheng Wang +4
Magnetization and its relaxation have been measured in single crystals at various doping levels ranging fromvery underdoped to very overdoped regimes. Siza…
Specific-Heat Measurement of Residual Superconductivity in the Normal State of Underdoped Cuprate Superconductors
Hai-Hu Wen, Gang Mu, Huiqian Luo +6
We have measured the magnetic field and temperature dependence of specific heat on single crystals in wide doping and temperature regions. The supercond…
Impurity Scattering Effect on Superconductivity and the Violation of Anderson Theorem in Ba(Fe_{1-x}Co_x)_2As_2 Single Crystals
Gang Mu, Bin Zeng, Peng Cheng +6
Low-temperature specific heat (SH) and resistivity were measured on Ba(Fe_{1-x}Co_x)_2As_2 single crystals in wide doping region. A sizeable residual specific heat coefficient γ_0…
Superconductivity and phase diagrams in 4d- and 5d-metal-doped iron arsenides SrFe_{2-x}M_xAs_2 (M = Rh, Ir, Pd)
Fei Han, Xiyu Zhu, Peng Cheng +10
By substituting the Fe with the 4d and 5d-transition metals Rh, Ir and Pd in SrFe_2As_2, we have successfully synthesized a series of superconductors SrFe_{2-x}M_xAs_2 (M = Rh, Ir…
Tailoring the Superconductivity and Antiferromagnetic Order in SrFe2-xRhxAs2
Fei Han, Xiyu Zhu, Peng Cheng +2
By doping Rh to the Fe sites in SrFe2As2, superconductivity is induced when the antiferromagnetic (AF) order is suppressed. The maximum superconducting transition temperature was f…
Superconductivity induced by doping Pd in SrFe2-xPdxAs2
Xiyu Zhu, Fei Han Peng Cheng, Bing Shen +1
By using solid state reaction method, we have synthesized the Pd-doped superconductor SrFe2-xPdxAs2. The systematic evolution of the lattice constants indicated that the Fe ions we…
Role of multiband effects and electron-hole asymmetry in the superconductivity and normal state properties of Ba(FeCo)As
Lei Fang, Huiqian Luo, Peng Cheng +8
We report a systematic investigation, together with a theoretical analysis, of the resistivity and Hall effect in single crystals of Ba(FeCo)As, over a wi…
Superconductivity at 22.3 K in SrFe2-xIrxAs2
Fei Han, Xiyu Zhu, Ying Jia +5
By substituting the Fe with the 5d-transition metal Ir in SrFe2As2, we have successfully synthesized the superconductor SrFe2-xIrxAs2 with Tc = 22.3 K at x = 0.5. X-ray diffraction…
Nodal Gap in Fe-Based Layered Superconductor LaO_0.9F_{0.1-delta}FeAs Probed by Specific Heat Measurements
Gang Mu, Xiyu Zhu, Lei Fang +3
We report the specific heat measurements on the newly discovered Fe-based layered superconductor LaO_0.9F_{0.1-delta}FeAs with the onset transition temperature T_c \approx 28 K. A…
Weak coupling d-wave BCS superconductivity and unpaired electrons in overdoped La_{2-x}Sr_{x}CuO_{4} single crystals
Y. Wang, J. Yan, L. Shan +4
The low-temperature specific heat (SH) of overdoped La_{2-x}Sr_{x}CuO_{4} single crystals (0.178=<x=<0.290) has been measured. For the superconducting samples (0.178=<x=<0.238), th…