449 citations · 1.8k across the 24 of their papers we have counts for
13 papers · 1 filter
Superconductivity and magnetic and transport properties of single-crystalline CaK(FeCr)As
M. Xu, J. Schmidt, M. A. Tanatar +3
Members of the CaK(FeCr)As series have been synthesized by high-temperature solution growth in single crystalline form and characterized by X-ray diffract…
Superconductivity and phase diagrams of CaK(FeMn)As single crystals
M. Xu, J. Schmidt, E. Gati +5
Members of the CaK(FeMn)As series have been synthesized in single crystalline form and characterized by elemental analysis, thermodynamic and transport me…
Correlation between non-Fermi-liquid behavior and superconductivity in (Ca, La)(Fe,Co)As2 iron arsenides: A high-pressure study
W. Zhou, F. Ke, Xiaofeng Xu +11
Non-Fermi-liquid (NFL) phenomena associated with correlation effects have been widely observed in the phase diagrams of unconventional superconducting families. Exploration of the…
Extraordinary quasiparticle scattering and bandwidth-control by dopants in iron-based superconductors
Z. R. Ye, Y. Zhang, F. Chen +9
The diversities in crystal structures and ways of doping result in extremely diversified phase diagrams for iron-based superconductors. With angle-resolved photoemission spectrosco…
Orbital selective correlations between nesting/scattering/Lifshitz transition and the superconductivity in AFe1-xCoxAs (A=Li, Na)
Z. R. Ye, Y. Zhang, M. Xu +9
The correlations between the superconductivity in iron pnictides and their electronic structures are elusive and controversial so far. Here through angle-resolved photoemission spe…
Anisotropic but nodeless superconducting gap in the presence of spin density wave in iron-pnictide superconductor NaFe1-xCoxAs
Q. Q. Ge, Z. R. Ye, M. Xu +7
The coexisting regime of spin density wave (SDW) and superconductivity in the iron pnictides represents a novel ground state. We have performed high resolution angle-resolved photo…
Angle-resolved photoemission evidence of s-wave superconducting gap in KxFe2-ySe2 superconductor
M. Xu, Q. Q. Ge, R. Peng +7
Although nodeless superconducting gap has been observed on the large Fermi pockets around the zone corner in KxFe2-ySe2, whether its pairing symmetry is s-wave or nodeless d-wave i…
Nodal superconducting gap structure in ferropnictide superconductor BaFe2(As0.7P0.3)2
Y. Zhang, Z. R. Ye, Q. Q. Ge +5
The superconducting gap is a pivotal character for a superconductor. While the cuprates and conventional phonon-mediated superconductors are characterized by distinct d-wave and s-…
Electronic identification of the actual parental phase of KxFe2-ySe2 superconductor and its intrinsic mesoscopic phase separation
F. Chen, M. Xu, Q. Q. Ge +14
While the parent compounds of the cuprate high temperature superconductors (high-Tc's) are Mott insulators, the iron-pnictide high-Tc's are in the vicinity of a metallic spin densi…
Heavily electron-doped electronic structure and isotropic superconducting gap in AxFe2Se2 (A=K,Cs)
Y. Zhang, L. X. Yang, M. Xu +10
The low energy band structure and Fermi surface of the newly discovered superconductor, AxFe2Se2 (A=K,Cs), have been studied by angle-resolved photoemission spectroscopy. Compared…
Doping-insensitive density-of-states suppression in polycrystalline iron-based superconductor SmOFFeAs
H. W. Ou, Y. Zhang, J. F. Zhao +15
We investigated the temperature dependence of the density-of-states in the iron-based superconductor SmO_1-xF_xFeAs (x=0, 0.12, 0.15, 0.2) with high resolution angle-integrated pho…
Angle integrated photoemission study of SmOFFeAs
H. W. Ou, J. F. Zhao, Y. Zhang +10
The electronic structure of the new superconductor, SmOFFeAs (), has been studied by angle-integrated photoemission spectroscopy. Our data show a sharp feature…
Single crystal MgB2 with anisotropic superconducting properties
M. Xu, H. Kitazawa, Y. Takano +5
The discovery of superconductor in magnesium diboride MgB2 with high Tc (39 K) has raised some challenging issues; whether this new superconductor resembles a high temperature cupr…