764 citations · 2.7k across the 27 of their papers we have counts for
27 papers
Electronic structure and 4f-electron character in Ce2PdIn8 studied by angle-resolved photoemission spectroscopy
Q. Yao, D. Kaczorowski, P. Swatek +10
The localized-to-itinerant transition of f electrons lies at the heart of heavy-fermion physics, but has only been directly observed in single-layer Ce-based materials. Here, we re…
Charge Transfer Effects in Naturally Occurring van der Waals Heterostructures (PbSe)1.16(TiSe2)m (m=1, 2)
Q. Yao, D. W. Shen, C. H. P. Wen +11
Van der Waals heterostructures (VDWHs) exhibit rich properties and thus has potential for applications, and charge transfer between different layers in a heterostructure often domi…
Unveiling the superconducting mechanism of BaKBiO
C. H. P. Wen, H. C. Xu, Q. Yao +17
Bismuthates were the first family of oxide high-temperature superconductors, exhibiting superconducting transition temperatures (Tc) up to 32K, but the superconducting mechanism re…
Tracing crystal-field splittings in the rare earth-based intermetallic CeIrIn
Q. Y. Chen, C. H. P. Wen, Q. Yao +10
Crystal electric field states in rare earth intermetallics show an intricate entanglement with the many-body physics that occurs in these systems and that is known to lead to a ple…
Band dependent inter-layer -electron hybridization in CeRhIn
Q. Y. Chen, D. F. Xu, X. H. Niu +16
A key issue in heavy fermion research is how subtle changes in the hybridization between the 4 (5) and conduction electrons can result in fundamentally different ground state…
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…
Electronic structure of FeS
J. Miao, X. H. Niu, D. F. Xu +11
Here we report the electronic structure of FeS, a recently identified iron-based superconductor. Our high-resolution angle-resolved photoemission spectroscopy studies show two hole…
Direct observation of how the heavy fermion state develops in CeCoIn5
Q. Y. Chen, D. F. Xu, X. H. Niu +19
Heavy fermion materials gain high electronic masses and expand Fermi surfaces when the high-temperature localized f electrons become itinerant and hybridize with the conduction ban…
Bulk and surface electronic structure of trigonal structured PtBi2 studied by angle-resolved photoemission spectroscopy
Q. Yao, Y. P. Du, X. J. Yang +12
PtBi2 with a layered trigonal crystal structure was recently reported to exhibit an unconventional large linear magnetoresistance, while the mechanism involved is still elusive. Us…
Presence of Exotic Electronic Surface States in LaBi and LaSb
X. H. Niu, D. F. Xu, Y. H. Bai +7
Extremely high magnetoresistance (XMR) in the lanthanum monopnictides La ( = Sb, Bi) has recently attracted interest in these compounds as candidate topological materials. Ho…
Highly anisotropic and two-fold symmetric superconducting gap in nematically ordered FeSeS
H. C. Xu, X. H. Niu, D. F. Xu +7
FeSe exhibits a novel ground state in which superconductivity coexists with a nematic order in the absence of any long-range magnetic order. Here we report an angle-resolved photoe…
Observation of Fermi Arcs in non-Centrosymmetric Weyl Semi-metal Candidate NbP
D. F. Xu, Y. P. Du, Z. Wang +7
We report the surface electronic structure of niobium phosphide NbP single crystal on (001) surface by vacuum ultraviolet angle-resolved photoemission spectroscopy. Combining with…
A metallic mosaic phase and the origin of Mott insulating state in 1T-TaS2
Liguo Ma, Cun Ye, Yijun Yu +8
Electron-electron and electron-phonon interactions are two major driving forces that stabilize various charge-ordered phases of matter. The intricate interplay between the two give…
Surface electronic structure and evidence of plain s-wave superconductivity in (Li0.8Fe0.2)OHFeSe
Y. J. Yan, W. H. Zhang, M. Q. Ren +11
(Li0.8Fe0.2)OHFeSe is a newly-discovered intercalated iron-selenide superconductor with a Tc above 40 K, which is much higher than the Tc of bulk FeSe (8 K). Here we report a syste…
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…
Photoemission study of the electronic structure and charge density waves of Na2Ti2Sb2O
S. Y. Tan, J. Jiang, Z. R. Ye +7
The electronic structure of Na2Ti2Sb2O, a parent compound of the newly discovered titanium-based oxypnictide superconductors, is studied by photon energy and polarization dependent…
Signature of strong spin-orbital coupling in the large non-saturating magnetoresistance material WTe2
J. Jiang, F. Tang, X. C. Pan +9
We report the detailed electronic structure of WTe by high resolution angle-resolved photoemission spectroscopy. Unlike the simple one electron plus one hole pocket type of Fer…
The weak electronic correlations and absence of heavy Fermion state in KNiSe
Q. Fan, X. P. Shen, M. Y. Li +9
We have studied the low-lying electronic structure of a new ThCrSi-type superconductor KNiSe with angle-resolved photoemission spectroscopy. Three bands intersect t…
Significant contribution of As 4p orbitals to the low-lying electronic structure of 112-type iron-based superconductor Ca0.9La0.1FeAs2
M. Y. Li, Z. T. Liu, W. Zhou +12
We report a systematic polarization-dependent angle-resolved photoemission spectroscopy study of the three-dimensional electronic structure of the recently discovered 112-type iron…
Drastic electronic structure reconstruction of CaPrFeAs in the collapsed tetragonal phase
D. F. Xu, D. W. Shen, J. Jiang +8
We report the electronic structure reconstruction of CaPrFeAs ( = 0.1 and 0.15) in the low temperature collapsed tetragonal (CT) phase observed by angle-reso…
Gate-tunable Phase Transitions in 1T-TaS
Yijun Yu, Fangyuan Yang, Xiu Fang Lu +11
The ability to tune material properties using gate electric field is at the heart of modern electronic technology. It is also a driving force behind recent advances in two-dimensio…
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…
Angle-resolved Photoemission Spectroscopy Study on the Surface States of the Correlated Topological Insulator YbB6
M. Xia, J. Jiang, Z. R. Ye +10
We report the electronic structure of YbB6, a recently predicted moderately correlated topological insulator, measured by angle-resolved photoemission spectroscopy. We directly obs…