689 citations · 4.6k across the 45 of their papers we have counts for
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Phonon-enhanced superconductivity at the FeSe/SrTiO3 interface
Q. Song, T. L. Yu, X. Lou +9
The dream of room temperature superconductors has inspired intense research effort to find routes for enhancing the superconducting transition temperature (Tc). Therefore, single-l…
Superconductivity across Lifshitz transition and anomalous insulating state in surface K-dosed (Li0.8Fe0.2OH)FeSe
M. Q. Ren, Y. J. Yan, X. H. Niu +7
In the iron-based superconductors, understanding the relation between superconductivity and electronic structure upon doping is crucial for exploring the pairing mechanism. Recentl…
Observation of Dirac Cone Band Dispersion in FeSe Thin Films by Photoemission Spectroscopy
S. Y. Tan, Y. Fang, D. H. Xie +10
The electronic structure of FeSe thin films grown on SrTiO3 substrate is studied by angle-resolved photoemission spectroscopy (ARPES). We reveal the existence of Dirac cone band di…
Anomalous correlation effects and unique phase diagram of electron doped FeSe revealed by angle resolved photoemission spectroscopy
C. H. P. Wen, H. C. Xu, C. Chen +9
In FeSe-derived superconductors, the lack of a systematic and clean control on the carrier concentration prevents the comprehensive understanding on the phase diagram and the inter…
Signature of high temperature superconductivity in electron doped Sr2IrO4
Y. J. Yan, M. Q. Ren, H. C. Xu +7
Sr2IrO4 was predicted to be a high temperature superconductor upon electron doping since it highly resembles the cuprates in crystal structure, electronic structure and magnetic co…
Surface electronic structure and isotropic superconducting gap in (LiFe)OHFeSe
X. H. Niu, R. Peng, H. C. Xu +13
Using angle-resolved photoemission spectroscopy (ARPES), we revealed the surface electronic structure and superconducting gap of (LiFe)OHFeSe, an intercalated FeSe-…
Identification of prototypical Brinkman-Rice Mott physics in a class of iron chalcogenides superconductors
X. H. Niu, S. D. Chen, J. Jiang +17
The 122 series of iron-chalcogenide superconductors, for example KFeSe, only possesses electron Fermi pockets. Their distinctive electronic structure challe…
Plain s-wave superconductivity in single-layer FeSe on SrTiO3 probed by scanning tunneling microscopy
Q. Fan, W. H. Zhang, X. Liu +8
Single-layer FeSe film on SrTiO3(001) was recently found to be the champion of interfacial superconducting systems, with a much enhanced superconductivity than the bulk iron-based…
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…
Critical role of substrate in the high temperature superconductivity of single layer FeSe on Nb:BaTiO
R. Peng, H. C. Xu, S. Y. Tan +8
In the quest for high temperature superconductors, the interface between a metal and a dielectric was proposed to possibly achieve very high superconducting transition temperature…
Electronic structure of the BaTiAsO parent compound of the titanium based oxypnictide superconductor
H. C. Xu, M. Xu, R. Peng +12
The electronic structure of BaTi2As2O, a parent compound of the newly discovered titanium-based oxypnictide superconductors, is studied by angle-resolved photoemission spectroscopy…
Enhanced superconductivity and evidence for novel pairing in single-layer FeSe on SrTiO3 thin film under large tensile strain
R. Peng, X. P. Shen, X. Xie +9
Single-layer FeSe films with extremely expanded in-plane lattice constant of 3.99A are fabricated by epitaxially growing FeSe/Nb:SrTiO3/KTaO3 heterostructures, and studied by in si…
The unique electronic structure of Ca10(Pt4As8)(Fe2-xPtxAs2)5 with metallic Pt4As8 layers
X. P. Shen, S. D. Chen, Q. Q. Ge +8
We studied the low-lying electronic structure of the newly discovered iron-platinum-arsenide superconductor, Ca10(Pt4As8)(Fe2-xPtxAs2)5 (Tc=22 K) with angle-resolved photoemission…
Angle-resolved photoemission spectroscopy study on iron-based superconductors
Z. R. Ye, Y. Zhang, B. P. Xie +1
Angle-resolved photoemission spectroscopy (ARPES) has played an important role in determining the band structure and the superconducting gap structure of iron-based superconductors…
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…
Interface-induced superconductivity and strain-dependent spin density wave in FeSe/SrTiO3 thin films
S. Y. Tan, M. Xia, Y. Zhang +14
The record of superconducting transition temperature(Tc) has long been 56K for the iron-based high temperature superconductors(Fe-HTS's). Recently, in single layer FeSe films grown…
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…
Symmetry breaking via orbital-dependent reconstruction of electronic structure in uniaxially strained NaFeAs
Y. Zhang, C. He, Z. R. Ye +11
The superconductivity discovered in iron-pnictides is intimately related to a nematic ground state, where the C4 rotational symmetry is broken via the structural and magnetic trans…
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…
Phosphor induced significant hole-doping in ferropnictide superconductor BaFe2(As(1-x)Px)2
Z. R. Ye, Y. Zhang, M. Xu +6
The superconductivity in high temperature superconductors ordinarily arises when doped with hetero-valent ions that introduce charge carriers. However, in ferropnictides, "iso-vale…
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…
Electronic structure of BaNiAs
Bo Zhou, Min Xu, Yan Zhang +12
BaNiAs, with a first order phase transition around 131 K, is studied by the angle-resolved photoemission spectroscopy. The measured electronic structure is compared to the…