supported by the National Key R&D Program of China(Grant No.2022YFA1603900);in part by the Russian Science Foundation(RSCF)(Grant No.19-72-10016-P).
We report our progress in the high-temperature superconductor(HTS)Josephson junction fabrication process founded on utilizing a focused helium ion beam damaging technique and discuss the expected device performance at...
Resistances of grain junctions of bulk polycrystalline YBa_(2)Cu_(3)O_(7−δ)(YBCO) and DyBa_(2)Cu_(3)O_(7−δ)(DyBCO) superconductors have been extracted following(i)Ambegaokar‐Baratoff(AB)and(ii)de Gennes(dG)equation...
Project supported by the National Natural Science Foundation of China (Grant Nos. 11888101 and 11974404);the National Key Research and Development Program of China (Grant Nos. 2021YFA1401800 and 2018YFA0704200);the Strategic Priority Research Program (B) of the Chinese Academy of Sciences (Grant Nos. XDB25000000 and XDB33000000);the Youth Innovation Promotion Association of CAS (Grant No. Y2021006);Innovation Program for Quantum Science and Technology (Grant No. 2021ZD0301800);the Synergetic Extreme Condition User Facility (SECUF)。
The spatially-resolved laser-based high-resolution angle resolved photoemission spectroscopy(ARPES) measurements have been performed on the optimally-doped YBa_(2)Cu_(3)O_(7)-σ(Y123) superconductor. For the first tim...
supported by the National Natural Science Foundation of China (11872196);the Outstanding Postgraduate ‘Innovation Star’ Foundation for Distinguished of Gansu Province (2021CXZX-032)。
The inherent brittleness and low sustainability of YBa_(2)Cu_(3)O_(7-x)(YBCO) bulk superconductor seriously impede its wide applications.It is a great challenge to achieve toughening of this material and maintain its ...
supported by the National Key Research and Development Program of China(Grant No.2017YFC0601901);the National Natural Science Foundation of China(Grant No.61571019)。
As a newly developed method for fabricating Josephson junctions,a focused helium ion beam has the advantage of producing reliable and reproducible junctions.We fabricated Josephson junctions with a focused helium ion ...
supported by the fund of Natural Science Foundation of China(Nos.11872196,11902130).
The residual stress is formed in YBa_(2)Cu_(3)O_(7-δ) (YBCO) bulk superconductors,which undergoes a complex fabrication process and experienced a huge temperature change about 1000℃.The residual stress may result in...