134 citations · 340 across the 22 of their papers we have counts for
22 papers
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…
Hunting for Room Temperature Superconductors
Huiqian Luo
Room temperature superconductivity, as one of the famous jewels on the crown of physics, has attracted continuous attention and unremitting efforts from numerous scientists. In rec…
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…
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…
Enhancement of the critical current by surface irregularities in Fe-based superconductors
I. F. Llovo, J. Mosqueira, Ding Hu +2
The critical current of single crystals of the iron pnictide superconductor BaFe(AsP), has been studied through measurements of magnetic hysteresis cycles…
Strong electron-phonon coupling in BaSrNiAs
Linxing Song, Jianguo Si, Tom Fennell +9
The charge density wave (CDW) or nematicity has been found to coexist with superconductivity in many systems. It is thus interesting that the superconducting transition temperature…
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…
Pressure-induced coevolution of transport properties and lattice stability in CaK(Fe1-xNix)4As4 (x= 0.04 and 0) superconductors with and without spin-vortex crystal state
Pengyu Wang, Chang Liu, Run Yang +15
Here we report the first investigation on correlation between the transport properties and the corresponding stability of the lattice structure for CaK(Fe1-xNix)4As4 (x=0.04 and 0)…
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…
Spin fluctuations in the 112-type iron-based superconductor CaLaFeNiAs
Tao Xie, Chang Liu, Ryoichi Kajimoto +3
We report time-of-flight inelastic neutron scattering (INS) investigations on the spin fluctuation spectrum in the 112-type iron-based superconductor (FeSC) CaLaF…
Nematic fluctuations in the non-superconducting iron pnictide BaFeNiCrAs
Dongliang Gong, Ming Yi, Meng Wang +16
The main driven force of the electronic nematic phase in iron-based superconductors is still under debate. Here, we report a comprehensive study on the nematic fluctuations in a no…
Planckian Dissipation and non-Ginzburg-Landau Type Upper Critical Field in Bi2201
Qihao Zang, Zhengyan Zhu, Zuyu Xu +7
Resistivity and Hall effect measurements have been carried out on a micro-fabricated bridge of Bi2201 single crystal at low temperatures down to 0.4 K under high magnetic fields. W…
Preferred Spin Excitations in the Bilayer Iron-Based Superconductor CaK(FeNi)As with Spin-Vortex Crystal Order
Chang Liu, Philippe Bourges, Yvan Sidis +10
The spin-orbit coupling (SOC) is a key to understand the magnetically driven superconductivity in iron-based superconductors, where both local and itinerant electrons are present a…
Charge density waves in infinite-layer NdNiO nickelates
Charles C. Tam, Jaewon Choi, Xiang Ding +7
In materials science, much effort has been devoted to reproduce superconductivity in chemical compositions analogous to cuprate superconductors since their discovery over thirty ye…
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…
Possible Dirac quantum spin liquid in a kagome quantum antiferromagnet YCu(OH)Br[Br(OH)]
Zhenyuan Zeng, Xiaoyan Ma, Si Wu +13
We studied the magnetic properties of YCu(OH)Br[Br(OH)] ( = 0.33), where Cu ions form two-dimensional kagome layers. There is no magnetic order…
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…
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…
Tracking the nematicity in cuprate superconductors: a resistivity study under uniaxial pressure
Tao Xie, Zhaoyu Liu, Yanhong Gu +14
Overshadowing the superconducting dome in hole-doped cuprates, the pseudogap state is still one of the mysteries that no consensus can be achieved. It has been suggested that the r…
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 $…