Project supported by the National Key Research and Development Project of China(Grant Nos.2022YFA1204100 and 2019YFA0308500);the National Natural Science Foundation of China(Grant No.62488201);the CAS Project for Young Scientists in Basic Research(Grant No.YSBR-003);the Innovation Program of Quantum Science and Technology(Grant No.2021ZD0302700)。
The alkali adatoms with controlled coverage on the surface have been demonstrated to effectively tune the surface band of quantum materials through in situ electron doping.However,the interplay of orderly arranged alk...
V-based kagome superconductors AV_(3)Sb_(5)(A=K,Rb,and Cs)host a charge density wave(CDW)and a topological nontrivial band structure,thereby providing a great platform to study the interplay of superconductivity(SC),C...
National Key R&D Program of China(Grant Nos.2022YFA1403201,2022YFA1403400,and 2020YFA0308800);National Natural Science Foundation of China(Grant Nos.11927809,12061131001,11974171,92065109,and 12204231);Fundamental Research Funds for the Central Universities(Grant No.020414380208).
In this study,Kagome superconductors,i.e.,CsV_(3)Sb_(5)single crystals and its Ta-doped variant,Cs(V_(0.86)Ta_(0.14))_(3)Sb_(5),were studied in detail via specific heat measurements.Results revealed that the charge de...
supported by the“Pioneer”and“Leading Goose”R&D Program of Zhejiang(Grant No.2024SDXHDX0007);the National Natural Science Foundation of China(Grant No.12474131);the China Postdoctoral Science Foundation(Grant Nos.2022M722845 and 2023T160586);the Zhejiang Provincial Natural Science Foundation of China for Distinguished Young Scholars(Grant No.LR23A040001);the Research Center for Industries of the Future(RCIF)at Westlake University(Grant No.WU2023C009);the National Key R&D Program of China(Grant Nos.2020YFA0308800 and 2022YFA1403400);the Beijing Natural Science Foundation(Grant No.Z210006).The authors thank the support provided by Dr.Chao Zhang from Instrumentation and Service Center for Physical Sciences at Westlake University.
The hysteresis of magnetoresistance observed in superconductors is of great interest due to its potential connectionwith unconventional superconductivity.In this study,we perform electrical transport measurements on k...
supported by the National Natural Science Foundation of China(Grant Nos.12174362 and 92065202);the Innovation Program for Quantum Science and Technology(Grant No.2021ZD0302803);the New Cornerstone Science Foundation.Part of this research used Beamline 03U of the Shanghai Synchrotron Radiation Facility,which is supported by ME2 project under contract No.11227902 from the National Natural Science Foundation of China.
We systematically study the electronic structure of a kagome superconductor CsV_(3)Sb_(5)at different temperatures coveringboth its charge density wave state and normal state with angle-resolved photoemission spectros...