AC SUSCEPTIBILITY OF POLYCRYSTALLINE (BI-PB)2223 SUPERCONDUCTORS

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SALAMATI H.; KAMELI P.

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Journal: Iranian Journal of Physics Research Year:2004 | Volume:4 | Issue:2 Page(s): 201-208

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Title

AC SUSCEPTIBILITY OF POLYCRYSTALLINE (BI-PB)2223 SUPERCONDUCTORS

Author(s)

SALAMATI H. | KAMELI P. | Issue Writer Certificate

Keywords

HIGH-TC SUPERCONDUCTIVITYQ3

AC SUSCEPTIBILITYQ4

ACTIVATION ENERGYQ4

Abstract

The temperature dependence of AC SUSCEPTIBILITY of (Bi-Pb)2223 polycrystalline samples was measured as a function of frequency and ac field amplitude. Analysis of the temperature dependence of the AC SUSCEPTIBILITY near the transition temperature (Tc) has been done employing Beans critical state model. The observed variation of intergranular critical current densities (Jc) with temperature indicates that the weak links are superconductor- normal metal-superconductor (SNS) type for this sample. The frequency effect on AC SUSCEPTIBILITY was also measured. As the frequency increases, (Tp) shifts to higher temperatures. This effect can be interpreted in terms of flux creep. The temperature T, and field, Hac dependence of ACTIVATION ENERGY obtained from the Arrhenius plot for the frequency ( f) and (Tp) , can be described as: U(Hac,T) =U0(1- T/Tc)H-0.18ac

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APA: Copy

SALAMATI, H., & KAMELI, P.. (2004). AC SUSCEPTIBILITY OF POLYCRYSTALLINE (BI-PB)2223 SUPERCONDUCTORS. IRANIAN JOURNAL OF PHYSICS RESEARCH, 4(2), 201-208. SID. https://sid.ir/paper/1922/en

Vancouver: Copy

SALAMATI H., KAMELI P.. AC SUSCEPTIBILITY OF POLYCRYSTALLINE (BI-PB)2223 SUPERCONDUCTORS. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2004;4(2):201-208. Available from: https://sid.ir/paper/1922/en

IEEE: Copy

H. SALAMATI, and P. KAMELI, “AC SUSCEPTIBILITY OF POLYCRYSTALLINE (BI-PB)2223 SUPERCONDUCTORS,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 4, no. 2, pp. 201–208, 2004, [Online]. Available: https://sid.ir/paper/1922/en

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