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Bulk superconductivity in quintuple-layer square-planar nickelate La6Ni5O12
Mengzhu Shi, Mei Du, Hongyu Li +5
Nickelate superconductors, sharing a similar electronic environment with cuprate superconductors, offer a promising platform for unraveling the mechanism of high-temperature superc…
Pressure-induced unconventional charge-density-wave states in kagome metal AV3Sb5 (A = K, Rb, Cs)
Zhimian Wu, Linpeng Nie, Ye Yang +6
Since the discovery of charge density wave (CDW) and superconductivity, kagome metal AV3Sb5 (A = K, Rb, Cs) provides a new platform for exploring novel many-body quantum phenomena.…
Thermodynamic phase transition, pairing symmetry and Fermi surface topology in Ruddlesden-Popper nickelate films
Yu Miao, Zhiwei Wang, Hongxu Sun +9
Ruddlesden-Popper (RP) nickelates provide an uncharted territory to explore high-transition-temperature (high-) superconductivity and superconducting mechanism. Here, we inves…
Electron-like high-temperature superconductivity induced by compressive strain in La2PrNi2O7 thin films
Zhiwei Wang, Zhengjie Wang, Huiyu Wang +8
The realization of high-temperature superconductivity in bilayer nickelates under epitaxial compressive strain is widely interpreted as mimicking the effects of high hydrostatic pr…
Visualizing the interplay of dual electronic nematicities in kagome superconductors
Yunmei Zhang, Jun Zhan, Ping Wu +15
Kagome superconductor AVSb (A stands for K, Rb, and Cs) hosts a wealth of intertwined electronic orders driven by geometric frustration and electron correlations. Among the…
Directional-dependent Berezinskii-Kosterlitz-Thouless transition at EuO/KTaO(111) interfaces
Zongyao Huang, Zhengjie Wang, Xiangyu Hua +10
In two dimensions, a phase-coherent superconducting state is established via a Berezinskii-Kosterlitz-Thouless (BKT) transition, whose critical temperature is determi…
Exotic vortex states at high magnetic fields in a quasi-two-dimensional FeSe-based superconductor
Xuyang Li, Jian Li, Kai Liu +9
Owing to strong electronic correlations, high-temperature superconductivity always exhibits intricate intertwinement with various competing electronic orders in phase diagrams, suc…
Anomalous Nodal Gap in a Doped Spin-1/2 Antiferromagnetic Mott Insulator
Yong Hu, Christopher Lane, Xiang Chen +10
Many emergent phenomena appear in doped Mott insulators near the insulator-to-metal transition. In high-temperature cuprate superconductors, superconductivity arises when antiferro…
Soft Phonon Charge-Density Wave Formation in the Kagome Metal KVSb
Yifan Wang, Chenchao Xu, Zhimian Wu +11
A range of of unusual emergent behaviors have been reported in the charge-density wave (CDW) state of the VSb (K, Rb, Cs) kagome metals, including a CDW formation p…
Electronic-correlation-assisted charge stripe order in a Kagome superconductor
Linwei Huai, Zhuying Wang, Huachen Rao +12
A central mystery in high-temperature cuprate superconductors is the coexistence of multiple exotic orders, which is presumably associated with strong electronic correlation. The o…
Recent progress in nickelate superconductors
Yuxin Wang, Kun Jiang, Jianjun Ying +4
The discovery of superconductivity in nickelate compounds has opened new avenues in the study of high-temperature superconductors. Here we provide a comprehensive overview of recen…
Anomalous narrow-band correlation in a natural superconducting heterostructure
Xiupeng Sun, Zhiyuan Wei, Min Shan +11
A new frontier in condensed matter physics is to stack atomically thin layered-materials with different properties and create intriguing phenomena which do not exist in any of the…
Unveiling the landscape of Mottness and its proximity to superconductivity in 4Hb-TaS
Ping Wu, Zhuying Wang, Yunmei Zhang +15
Mott physics is at the root of a plethora of many-body quantum phenomena in quantum materials. Recently, the stacked or twisted structures of van der Waals (vdW) materials have eme…
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…
Origin of local magnetic exchange interaction in infiite-layer nickelates
Yanbing Zhou, Dan Zhao, Boyun Zeng +5
Significant magnetic exchange interactions have been observed in infinite-layer nickelates RNiO2 (R = La, Pr, Nd), which exhibit unconventional superconductivity upon hole doping.…
Symmetry-Broken Kondo Screening and Zero-Energy Mode in the Kagome Superconductor CsV3Sb5
Yubing Tu, Zongyuan Zhang, Wenjian Lu +9
The quantum states of matter reorganize themselves in response to defects, giving rise to emergent local excitations that imprint unique characteristics of the host states. While m…
Superconductivity of the hybrid Ruddlesden-Popper La5Ni3O11 single crystals under high pressure
Mengzhu Shi, Di Peng, Kaibao Fan +12
The discovery of high-temperature superconductivity in La3Ni2O7 and La4Ni3O10 under high pressure indicates that the Ruddlesden-Popper (RP) phase nickelates Rn+1NinO3n+1 (R = rare…
Prerequisite of superconductivity: SDW rather than tetragonal structure in double-layer La3Ni2O7-x
Mengzhu Shi, Di Peng, Yikang Li +10
The pressure-induced high-temperature superconductivity(Tc) in nickelates La3Ni2O7-x has sparked significant interest to explore its superconductivity at ambient pressure.Lan+1NinO…
Absence of superconductivity and density-wave transition in ambient-pressure tetragonal LaNiO
Mengzhu Shi, Yikang Li, Yuxing Wang +14
The recent discovery of superconductivity in LaNiO and LaNiO under high pressure stimulates intensive research interests. These nickelates crystallize in…
Two-dimensional superconductivity in new niobium dichalcogenides-based bulk superlattices
Kaibao Fan, Mengzhu Shi, Houpu Li +2
Transition metal dichalcogenides exhibit many unexpected properties including two-dimensional (2D) superconductivity as the interlayer coupling being weakened upon either layer-num…
Two-dimensional superconductivity and anomalous vortex dissipation in newly-discovered transition metal dichalcogenide-based superlattices
Mengzhu Shi, Kaibao Fan, Houpu Li +9
Properties of layered superconductors can vary drastically when thinned down from bulk to monolayer, owing to the reduced dimensionality and weakened interlayer coupling. In transi…
Nodeless multigap superconductivity in organic-ion-intercalated (tetrabutyl~ammonium)FeSe
Jinyu Wu, Mengzhu Shi, Jianwei Shu +5
We probe the superconducting order parameter of the organic-ion-intercalated FeSe-based superconductor (tetrabutyl ammonium)FeSe [(TBA)FeSe] using muon-spin relaxat…
Two-dimensional phase diagram of the charge density wave in doped CsVSb
Linwei Huai, Hongyu Li, Yulei Han +15
Kagome superconductors AVSb (A = K, Rb and Cs) have attracted much recent attention due to the coexistence of multiple exotic orders. Among them, the charge density wave (C…
Superconducting stripes induced by ferromagnetic proximity in an oxide heterostructure
Xiangyu Hua, Zimeng Zeng, Fanbao Meng +12
The intimate connection between magnetism and superconducting pairing routinely plays a central role in determining the occurrence of unconventional superconducting states. In high…