MAGNETIZATION MEASUREMENTS OF HIGH Tc SUPERCONDUCTING Ba-Y-Cu-O SYSTEM
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Abstract
The magnetization M(T) at a fixed field, the magnetization M(H) at different temperatures of the Ba-Y-Cu-O samples with zero resistance at 91.5K have been measured. The results show that Ba-Y-Cu-O is a type-II superconductor. We also present the anomaly of M(T) at low temperature. At T approaching OK, M(H) changes from negative to positive. The relationship between the area of magnetic hysteresis loop and the critical current density is discussed.
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SHI Yinhuan, ZHAO Bairu, WANG Huisheng, LU Yong, ZHAO Yuying, XU Po, LI Lin. MAGNETIZATION MEASUREMENTS OF HIGH Tc SUPERCONDUCTING Ba-Y-Cu-O SYSTEM[J]. Chin. Phys. Lett., 1987, 4(11): 485-488.
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SHI Yinhuan, ZHAO Bairu, WANG Huisheng, LU Yong, ZHAO Yuying, XU Po, LI Lin. MAGNETIZATION MEASUREMENTS OF HIGH Tc SUPERCONDUCTING Ba-Y-Cu-O SYSTEM[J]. Chin. Phys. Lett., 1987, 4(11): 485-488.
|
SHI Yinhuan, ZHAO Bairu, WANG Huisheng, LU Yong, ZHAO Yuying, XU Po, LI Lin. MAGNETIZATION MEASUREMENTS OF HIGH Tc SUPERCONDUCTING Ba-Y-Cu-O SYSTEM[J]. Chin. Phys. Lett., 1987, 4(11): 485-488.
|
SHI Yinhuan, ZHAO Bairu, WANG Huisheng, LU Yong, ZHAO Yuying, XU Po, LI Lin. MAGNETIZATION MEASUREMENTS OF HIGH Tc SUPERCONDUCTING Ba-Y-Cu-O SYSTEM[J]. Chin. Phys. Lett., 1987, 4(11): 485-488.
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