227 citations · 1.4k across the 30 of their papers we have counts for
30 papers
Heavily Sr-Doped LaSrNiO as a Tetragonal Ruddlesden-Popper Phase at Ambient Pressure
Yuhang Zhang, Xue Ming, Cui-Qun Chen +8
High-temperature superconductivity has been found in bilayer Ruddlesden-Popper (RP) nickelates in bulk samples under high pressure, or in thin films via compressive strain. In the…
Pressure-induced Structural Phase Transition, Metallization, and Superconductivity in layered metalloid dichalcogenide 1T-SiTe
Ying-Jie Zhang, Heng Xu, Zhe-Ning Xiang +3
Layered transition-metal dichalcogenides (TMDs) have attracted considerable attention as promising platforms for exploring emergent physics and potential device applications. In co…
Enhanced superconductivity in the compressively strained bilayer nickelate thin films by pressure
Qing Li, Jianping Sun, Steffen Boetzel +9
The discovery of high temperature superconductivity in the nickelate system has stimulated enormous interest in the community of condensed matter physics. Recently, superconductivi…
Superconducting gap structure and bosonic mode in La2PrNi2O7 thin films at ambient pressure
Shengtai Fan, Mengjun Ou, Marius Scholten +7
The recent discovery of high temperature superconductivity in nickelate systems has generated tremendous interests in the field of superconductivity. The core issue to understand t…
Unconventional superconductivity emerging along with the strange-metal behavior in UAs2 under pressure
Qing Li, Zhe-Ning Xiang, Bin-Bin Zhang +3
The recently discovered spin-triplet superconductor candidate UTe2 with Tc = 2 K has attracted enormous attention because it possesses many interesting properties, such as the extr…
Superconductivity up to 14.2 K in MnB under pressure
Zhe-Ning Xiang, Ying-Jie Zhang, Qing Lu +7
The discovery of superconductivity in 3-transition metal compounds with strong magnetism is interesting but rare. Especially for Mn-based compounds, there exist only very limite…
Growth and characterization of the LaNiO thin films: dominant contribution of the orbital at ambient pressure
Yuecong Liu, Mengjun Ou, Haifeng Chu +4
By using the pulsed-laser-ablation technique, we have successfully grown the LaNiO thin films with -axis orientation perpendicular to the film surface. X-ray…
Record high superconducting transition temperature in TiMn alloy with rich magnetic element Mn
Ying-Jie Zhang, Yijie Zhu, Qing Li +4
It is well-known that magnetic moments are very harmful to superconductivity. A typical example is the element Mn whose compounds usually exhibit strong magnetism. Thus, it is very…
Local pairing versus bulk superconductivity intertwined by the charge density wave order in Cs(VTa)Sb
Jinyulin Li, Qing Li, Jinjin Liu +5
There is a common belief that superconductivity and charge density wave (CDW) order accommodate homogenously in real space but compete with each other for the effective density of…
Strong-coupling superconductivity and weak vortex pinning in Ta-doped CsVSb single crystals
Jinyulin Li, Wei Xie, Jinjin Liu +6
By measuring magnetizations of pristine and Ta-doped CsVSb single crystals, we have carried out systematic studies on the lower critical field, critical current density…
Signature of superconductivity in pressurized LaNiO
Qing Li, Ying-Jie Zhang, Zhe-Ning Xiang +3
The discovery of high-temperature superconductivity near 80 K in bilayer nickelate LaNiO under high pressures has renewed the exploration of superconducting nickelate i…
Electronic correlations and partial gap in the bilayer nickelate LaNiO
Zhe Liu, Mengwu Huo, Jie Li +8
The discovery of superconductivity with a critical temperature of about 80~K in LaNiO single crystals under pressure has received enormous attention. LaNi$_…
Pressure-induced color change arising from transformation between intra- and inter-band transitions in LuHN
Zhe Liu, Yingjie Zhang, Shenyang Huang +8
The pressure-induced color change in the nitrogen-doped lutetium hydride has triggered extensive discussions about the underlying physics. Here, we study the optical response of Lu…
Pressure induced color change and evolution of metallic behavior in nitrogen-doped lutetium hydride
Ying-Jie Zhang, Xue Ming, Qing Li +6
By applying pressures up to 42 GPa on the nitrogen-doped lutetium hydride (LuHN), we have found a gradual change of color from dark-blue to pink-violet in the…
Absence of near-ambient superconductivity in LuHN
Xue Ming, Ying-Jie Zhang, Xiyu Zhu +6
Recently near-ambient superconductivity was claimed in N-doped lutetium hydride (ref. 1). This induces a worldwide fanaticism about the dream of room temperature superconductivity…
Comparative studies on unconventional superconductivity in CrRu compounds with bcc and A15 structures
Zhengyan Zhu, Ying-Jie Zhang, Yiwen Li +3
Chromium (Cr) is a transition metal element with 3 orbital electrons. In most compounds containing Cr, due to the correlation effect, twofold features of localization and itiner…
Tuning the competition between superconductivity and charge order in kagome superconductor Cs(V1-xNbx)3Sb5
Yongkai Li, Qing Li, Xinwei Fan +10
The recently discovered coexistence of superconductivity and charge density wave order in the kagome systems AV3Sb5 (A = K, Rb, Cs) has stimulated enormous interest. According to t…
Superconductivity arising from pressure induced Lifshitz transition in RbPdSe with kagome lattice
Qing Li, Yuxiang Wu, Xinwei Fan +5
According to the Bardeen-Cooper-Schrieffer (BCS) theory, superconductivity usually needs well defined Fermi surface(s) with strong electron-phonon coupling and moderate quasipartic…
Observation of anomalous amplitude modes in the kagome metal CsVSb
Gan Liu, Xinran Ma, Kuanyu He +12
The charge-density wave (CDW) phase is often accompanied by the condensation of a soft acoustic phonon mode, giving rise to lattice distortion and charge density modulation. This p…
Superconductivity at 44.4 K achieved by intercalating EMIM+ into FeSe
Jinhua Wang, Qing Li, Wei Xie +3
Superconductivity with transition temperature Tc above 40 K was observed in protonated FeSe (Hy-FeSe) previously with the ionic liquid of EMIM-BF4 used in the electrochemical proce…
No observation of chiral flux current in the topological kagome metal CsVSb
Huazhou Li, Siyuan Wan, Han Li +7
Compounds with kagome lattice usually host many exotic quantum states, including the quantum spin liquid, non-trivial topological Dirac bands and a strongly renormalized flat band,…
Twofold symmetry of -axis resistivity in topological kagome superconductor CsVSb with in-plane rotating magnetic field
Ying Xiang, Qing Li, Yongkai Li +5
In transition metal compounds, due to the interplay of charge, spin, lattice and orbital degrees of freedom, many intertwined orders exist with close energies. One of the commonly…
Charge-stripe Fluctuations in NdNiO as Evidenced by Optical Spectroscopy
Jiahao Hao, Xinwei Fan, Qing Li +6
We present an investigation into the optical properties of NdNiO at different temperatures from 300 down to 5~K over a broad frequency range. The optical conducti…
Synthesis and physical properties of perovskite SmSrNiO (x = 0, 0.2) and infinite-layer SmSrNiO nickelates
Chengping He, Xue Ming, Qing Li +3
Recently, superconductivity at about 9-15K was discovered in NdSrNiO infinite-layer thin films, which has stimulated enormous interests in related rare-earth nickel…