Universal transport and magnetic properties of YBCO and TBCCO films

Jan Alexander Jung; H. Yan; H. Darhmaoui; Wai K. Kwok

doi:10.1117/12.335867

22 December 1998 Universal transport and magnetic properties of YBCO and TBCCO films

Jan Alexander Jung, H. Yan, H. Darhmaoui, Wai K. Kwok

Proceedings Volume 3481, Superconducting and Related Oxides: Physics and Nanoengineering III; (1998) https://doi.org/10.1117/12.335867
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

We have investigated a temperature dependence of the critical current density J_c(T) and a dependence of the energy barrier for vortex motion on current density U_eff(J) in several YBCO and TBCCO thin films. The measurements have been done using rings in a persistent mode and a scanning Hall probe to record J_c(T) and U_eff(J). The results revealed that both quantities exhibit a universal behavior governed by an intrinsic property of these superconductors; Josephson nanostructures in the a-b planes of YBCO and TBCCO.

Citation Download Citation

Jan Alexander Jung, H. Yan, H. Darhmaoui, and Wai K. Kwok "Universal transport and magnetic properties of YBCO and TBCCO films", Proc. SPIE 3481, Superconducting and Related Oxides: Physics and Nanoengineering III, (22 December 1998); https://doi.org/10.1117/12.335867

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