470 citations · 3k across the 64 of their papers we have counts for
18 papers · 1 filter
Pressure-induced superconductivity reentrant in transition metal dichalcogenide TiSe2
Wei Xia, Jiaxuan Wu, Zhongyang Li +15
Through either elements intercalation or application of pressure, transition metal dichalcogenide 1T-TiSe2 exhibits superconductivity in proximity to a charge density wave (CDW) qu…
Coexistence of Multiple Stacking Charge Density Waves in Kagome Superconductor
Qian Xiao, Yihao Lin, Qizhi Li +9
The recently discovered Kagome family (A = K, Rb, Cs) exhibits rich physical phenomena, including non-trivial topological electronic structure, gia…
Magneto-Seebeck effect and ambipolar Nernst effect in CsVSb superconductor
Yuhan Gan, Wei Xia, Long Zhang +7
We present a study of Seebeck and Nernst effect in combination with magnetoresistance and Hall measurements of the Kagome superconductor CsVSb. Sizable magneto-Seebeck sign…
Emergence of new van Hove singularities in the charge density wave state of a topological kagome metal RbV3Sb5
Soohyun Cho, Haiyang Ma, Wei Xia +11
Quantum materials with layered kagome structures have drawn considerable attention due to their unique lattice geometry, which gives rise to flat bands co-existing with Dirac-like…
Multiband superconductivity with sign-preserving order parameter in kagome superconductor CsV3Sb5
Han-Shu Xu, Ya-Jun Yan, Ruotong Yin +7
The superconductivity of a kagome superconductor CsV3Sb5 is studied by scanning tunneling microscopy / spectroscopy at an ultralow temperature with high resolution. Two kinds of su…
Nodal superconductivity and superconducting domes in the topological Kagome metal CsV3Sb5
C. C. Zhao, L. S. Wang, W. Xia +11
Recently superconductivity was discovered in the Kagome metal AV3Sb5 (A = K, Rb, and Cs), which has an ideal Kagome lattice of vanadium. These V-based superconductors also host cha…
High-Pressure Crystal Growth, Superconducting Properties, and Electronic Band Structure of Nb2P5
Xiaolei Liu, Zhenhai Yu, Qifeng Liang +7
Orthorhombic (space group: Pnma) Nb2P5 is a high-pressure phase that is quenchable to ambient pressure, which could viewed as the zigzag infinite P chain-inserted NbP2. We report h…
Bulk Fermi surface of the layered superconductor TaSe3 with three-dimensional strong topological insulator state
Wei Xia, Xianbiao Shi, Yong Zhang +14
High magnetic field transport measurements and ab initio calculations on the layered superconductor TaSe3 have provided compelling evidences for the existence of a three-dimensiona…
Pressure-induced superconductivity and topological phase transitions in the topological nodal-line semimetal SrAs3
E. J. Cheng, W. Xia, X. B. Shi +16
Topological nodal-line semimetals (TNLSMs) are materials whose conduction and valence bands cross each other, meeting a topologically-protected closed loop rather than discrete poi…
High- Iron-phosphide Superconductivity Enhanced by Reemergent Antiferromagnetic Spin Fluctuations in (SrScO)Fe(AsP) probed by NMR
F. Sakano, K. Nakamura, T. Kouchi +13
We report a systematic NMR study on [SrScO]Fe(AsP), for which the local lattice parameters of the iron-pnictogen (Fe) layer are similar to those…
Observation of Meisser effect in Kapton Tapes
Jie Jiang, Han Han, Wei Xia +4
Composed of organic compounds, Kapton tape is regularly used as a non-conducting and non-magnetic material in cryogenic experiments. Here we report the discovery of Meisser effect…
Commensurate lattice distortion in the layered titanium oxypnictides NaTiO ( As, Sb) determined by X-ray diffraction
N. R. Davies, R. D. Johnson, A. J. Princep +12
We report single crystal X-ray diffraction measurements on NaTiO ( = As, Sb) which reveal a charge superstructure that appears below the density wave transition…
Progress in nonmagnetic impurity doping studies on Fe-based superconductors
Jun Li, Yan-Feng Guo, Zhao-Rong Yang +4
We review the progress of nonmagnetic impurity doping study on the Fe-based superconductors. On the theoretical side, two highly potential candidates for the pairing symmetry order…
Superconductivity suppression of Ba0.5K0.5Fe2-2xM2xAs2 single crystals by substitution of transition-metal (M = Mn, Ru, Co, Ni, Cu, and Zn)
Jun Li, Yanfeng Guo, Shoubao Zhang +12
We investigated the doping effects of magnetic and nonmagnetic impurities on the single-crystalline p-type Ba0.5K0.5Fe2-2xM2xAs2 (M = Mn, Ru, Co, Ni, Cu and Zn) superconductors. Th…
Linear decrease of critical temperature with increasing Zn substitution in the iron-based superconductor BaFe1.89-2xZn2xCo0.11As2
Jun Li, Yanfeng Guo, Shoubao Zhang +5
The nonmagnetic impurity effect is studied on the Fe-based BaFe1.89Co0.11As2 superconductor (Tc = 25 K) with Zn substitution for Fe up to 8 at. %, which is achieved by means of hig…
Magnetic and electrical properties and carrier doping effects on the Fe-based host compound Sr4Sc2Fe2As2O6
S. B. Zhang, Y. F. Guo, Y. G. Shi +6
Additional charge carriers were introduced to the iron oxyarsenide Sr4Sc2Fe2As2O6 under a high-pressure condition, followed by measurements of electrical resistivity, Hall coeffici…
Striking Zn impurity effect on the Fe-based superconductor BaFe1.87Co0.13As2
J. J. Li, Y. F. Guo, S. B. Zhang +4
Nonmagnetic impurity effect was studied on the n-type Fe-based superconductor BaFe1.87Co0.13As2 (Tc = 25 K) by a successful Zn substitution for Fe up to 7 at.%. Magnetic susceptibi…
Drastic suppression of the superconductivity of LaFeAsO0.85 by a nonmagnetic impurity
Y. F. Guo, Y. G. Shi, S. Yu +10
We observed a drastic Tc suppression caused by no more than 3 at.% of Zn doped to the optimized superconductor LaFeAsO0.85 (Tc = 26 K). The electrical resistivity and magnetic susc…