Angular Dependence of Critical Current in Ag-Seathed Bi(2223)
Superconductor Tape

Chin. Phys. Lett.

1993, Vol. 10

Issue (9): 566-568 DOI:

Original Articles

Angular Dependence of Critical Current in Ag-Seathed Bi(2223) Superconductor Tape

GUQ Shuquan;QIN Xiaomei;ZHANG Jinlong;WU Zu’an;YE Bin^*;ZENG Rong^*;ZHOU Yiru^*;ZHOU Min^*

National Laboratory on Superconductivity, institute of Physics, Academia Sinica. Beijing 100080 ^*General Research Institute for Non-ferrous Metal, Beijing 100088

Cite this article:

GUQ Shuquan, QIN Xiaomei, ZHANG Jinlong et al 1993 Chin. Phys. Lett. 10 566-568

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Abstract The critical current I_c (B.T.θ) of Ag-sheathed Bi (2223) tape was measured at 4.2 and 77k in magnetic field up to 6T as a function of the field direction. The maximum I_c is observed when the flux line are along the CuO₂ planes. This effect is due to an intrinsic pinning between CuO₂ layers. When H > 0.5T at 4.2K, I_c decreases very slowly with the magnetic field. The results are consistent with our early-proposed scaling laws for flux pinning in Ag-sheathed tape.

Keywords: 74.60.Ge 74.60.Jg 74.70.Vy

Published: 01 September 1993

PACS:	74.60.Ge
	74.60.Jg
	74.70.Vy

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1993/V10/I9/0566

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	GUQ Shuquan
	QIN Xiaomei
	ZHANG Jinlong
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	YE Bin
	ZENG Rong
	ZHOU Yiru
	ZHOU Min

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