108 citations · 450 across the 24 of their papers we have counts for
24 papers
Electronic Structure and Superconducting Gap of HgBaCaCuO Revealed by Laser-Based Angle-Resolved Photoemission Spectroscopy
Taimin Miao, Wenshan Hong, Qinghong Wang +18
The spatially-resolved laser-based high resolution angle resolved photoemission spectroscopy (ARPES) measurements have been performed on the optimally-doped HgBaCaCuO$_…
Decoupled interband pairing in a bilayer iron-based superconductor evidenced by ultrahigh-resolution ARPES
Shichong Wang, Yuanyuan Yang, Yang Li +11
We present direct experimental evidence of a weakly coupled multiband superconducting state in the bilayer iron-based superconductor ACaFeAsF (A = K, Cs) via ultrah…
ac strain based thermodynamic criterion for vortex lattice in type-II superconductors
Peipei Lu, Mengju Yuan, Jing Zhang +17
In type-I superconductors, zero electrical resistivity and perfect diamagnetism define two fundamental criteria for superconducting behavior. In contrast, type-II superconductors e…
Neutron Spin Resonance Near a Lifshitz Transition in Overdoped BaKFeAs
Yang Li, Dingsong Wu, Yingjie Shu +11
Elucidating the relationship between spin excitations and fermiology is essential for clarifying the pairing mechanism in iron-based superconductors (FeSCs). Here, we report inelas…
Preformed Cooper Pairs in a Triclinic Iron Pnictide Superconductor
Zezhong Li, Wenshan Hong, Honglin Zhou +10
Electron pairing along with phase coherence generates superconductivity below the critical temperature (). In underdoped high- cuprates, these two quantum phenomena may o…
Two Plaquette-Singlet Phases and Emergent SO(5) Deconfined Quantum Criticality in SrCu2(BO3)2
Yi Cui, Kefan Du, Zhanlong Wu +15
The deconfined quantum critical point (DQCP) has become a central open concept in the physics of quantum matter, and its proposed presence in the Shastry-Sutherland model was follo…
Necklace-like pattern of vortex bound states
Zhiyong Hou, Kailun Chen, Wenshan Hong +8
Vortex is a topological defect in the superconducting condensate when a magnetic field is applied to a type-II superconductor, as elucidated by the Ginzburg-Landau theory. Due to t…
Deconfined quantum critical point lost in pressurized SrCu2(BO3)2
Jing Guo, Pengyu Wang, Cheng Huang +11
In the field of correlated electron materials, the relation between the resonating spin singlet and antiferromagnetic states has long been an attractive topic for understanding of…
Multiband superconductivity and a deep gap minimum from the specific heat in KCa(FeNi)AsF ( = 0, 0.05, 0.13)
Yiwen Li, Zhengyan Zhu, Yongze Ye +5
Specific heat can explore low-energy quasiparticle excitations of superconductors, so it is a powerful tool for bulk measurement on the superconducting gap structure and pairing sy…
The Hidden Nematic Fluctuations in the Triclinic (Ca0.85La0.15)10(Pt3As8)(Fe2As2)5 Superconductor Revealed by Ultrafast Optical Spectroscopy
Qi-Yi Wu, Chen Zhang, Ze-Zhong Li +13
We reported the quasiparticle relaxation dynamics of an optimally doped triclinic iron-based superconductor (CaLa)(PtAs)(FeAs) with bul…
Nodal s Pairing Symmetry in an Iron-Based Superconductor with only Hole Pockets
Dingsong Wu, Junjie Jia, Jiangang Yang +26
The origin of the high temperature superconductivity in the iron-based superconductors remains elusive after being extensively studied for more than a decade. Determination of the…
Proximate deconfined quantum critical point in SrCu2(BO3)2
Yi Cui, Lu Liu, Huihang Lin +10
The deconfined quantum critical point (DQCP) represents a paradigm shift in quantum matter studies, presenting a "beyond Landau" scenario for order--order transitions. Its experime…
Pseudogap and Strong Pairing Induced by Incipient and Shallow Bands in the Quasi-Two-Dimensional KCaFeAsF
Jiahao Hao, Wenshan Hong, Xiaoxiang Zhou +6
The optical properties of KCaFeAsF (K12442, ~K) and KCa(FeNi)AsF (Ni-K12442, ~K) have been e…
Ultrafast Optical Spectroscopy Evidence of Pseudogap and Electron-Phonon Coupling in an Iron-Based Superconductor KCaFeAsF
Chen Zhang, Qi-Yi Wu, Wen-Shan Hong +15
We use ultrafast optical spectroscopy to study the nonequilibrium quasiparticle relaxation dynamics of the iron-based superconductor KCaFeAsF with K. Our…
Common (,) Band Folding and Surface Reconstruction in FeAs-Based Superconductors
Yongqing Cai, Tao Xie, Huan Yang +17
High resolution angle-resolved photoemission spectroscopy (ARPES) measurements are carried out on CaKFeAs, KCaFeAsF and (BaK)FeAs su…
Friedel Oscillations of Vortex Bound States Under Extreme Quantum Limit in KCa2Fe4As4F2
Xiaoyu Chen, Wen Duan, Xinwei Fan +6
We report the observation of discrete vortex bound states with the energy levels deviating from the widely believed ratio of 1:3:5 in the vortices of an iron based superconductor K…
Single particle tunneling spectroscopy and superconducting gaps in layered iron based superconductor KCaFeAsF
Wen Duan, Kailun Chen, Wenshan Hong +5
We perform scanning tunneling microscopy/spectroscopy study on the layered iron based superconductor KCaFeAsF with a critical temperature of about 33.5 K. Two types…
Extreme Suppression of Antiferromagnetic Order and Critical Scaling in a Two-Dimensional Random Quantum Magnet
Wenshan Hong, Lu Liu, Chang Liu +16
SrCuTeO is a square-lattice Néel antiferromagnet with superexchange between first-neighbor Cu spins mediated by plaquette centered Te ions. Substituting Te by W, th…
Neutron spin resonance in a quasi-two-dimensional iron-based superconductor
Wenshan Hong, Linxing Song, Bo Liu +15
Magnetically mediated Cooper pairing is generally regarded as a key to establish the unified mechanism of unconventional superconductivity. One crucial evidence is the neutron spin…
Spectroscopic Evidence of Bilayer Splitting and Interlayer Pairing in an Iron Based Superconductor
Dingsong Wu, Wenshan Hong, Chenxiao Dong +27
In high temperature cuprate superconductors, the interlayer coupling between the CuO planes plays an important role in dictating superconductivity, as indicated by the sensitiv…
A temperature-modulated dilatometer by using a piezobender-based device
Yanhong Gu, Bo Liu, Wenshan Hong +4
We report a new design of temperature-modulated dilatometer, which obtains the linear thermal expansion coefficient by measuring the oscillating changes of the sample's length and…
The effect of non-superconducting dopants (Mn, V, Cr and Cu) on the nematic fluctuations in iron-based superconductors
Yanhong Gu, Yuan Wei, Dongliang Gong +14
We have systematically studied the nematic susceptibility in non-superconducting Ba(FeTM)As (TM = Cr, Mn, V and Cu) by measuring the uniaxial pressure depende…
Quantum phases of SrCu2(BO3)2 from high-pressure thermodynamics
Jing Guo, Guangyu Sun, Bowen Zhao +9
We report heat capacity measurements of SrCu(BO) under high pressure along with simulations of relevant quantum spin models and map out the phase diagram of the…
Nonlinear uniaxial pressure dependence of in iron-based superconductors
Zhaoyu Liu, Yanhong Gu, Wenshan Hong +11
We have systematically studied the effects of in-plane uniaxial pressure on the superconducting transition temperature in many iron-based superconductors. The change of $…