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Dissipative Flux Motion in High Tc Superconducting Films
並列摘要
The resistive transition of high-Tc superconducting films in various magnetic fields has been measured at temperature near Tc. There is a broadening of the resistive transition in magnetic fields. The broadening of the resistive transition was analyzed with the flux creep theory of Anderson-Kim. We found the activation energy is temprature, magnetic, angle and thickness dependent. We obtained the activation energies which are 60 meV, 23 meV, 7 meV and 12 meV for YBCO film with 15 % Ag impurities, YBCO film, ultrathin YBCO film (35nm) and BSCCO film respectively in a field parallel to the ab plane in H = 5.0 T and at T/Tc = 0.93, where Tc is the onset superconducting transition temperature.
並列關鍵字
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Shen, C. W. (2015). 磨課師(巨型開放式線上課程)數位混合式教學對台灣高等教育外語學習之研究 [doctoral dissertation, Tamkang University]. Airiti Library. https://doi.org/10.6846/TKU.2015.00636
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