Effect of grain-alignment on the levitation force of melt-processed ybco bulk superconductors

Yang Wan-Min; Zhou Lian; Feng Yong; Zhang Ping-Xiang; Wu Min-Zhi; Wu Xiao-Zu; W. Gawalek

doi:10.1088/1004-423X/8/7/009

Effect of grain-alignment on the levitation force of melt-processed ybco bulk superconductors

Yang Wan-Min, Zhou Lian, Feng Yong, Zhang Ping-Xiang, Wu Min-Zhi, Wu Xiao-Zu, W. Gawalek

Research output: Contribution to journal › Article › peer-review

Abstract

Single-domain YBCO bulk superconductors have been fabricated by Top Seeded Melt Slow Cooling Growth(TSSCG) process. Two typical YBCO cylinder samples with differential grain-alignment were selected for the investigation of the relationship between the grain-alignment and the levitation force under the same testing condition at liquid nitrogen temperature. It is found that the levitation force values is much different for the two samples, the levitation force of the sample with H∥c-axis is more than two times higher than that of the samples with H⊥c-axis. So it is necessary to take account of this anisotropy in practical applications. The relationship between a magnet and a superconductor can be well described with a double exponential function. All the results are discussed in details.

Original language	English
Pages (from-to)	533-538
Number of pages	6
Journal	Acta Physica Sinica (overseas Edition)
Volume	8
Issue number	7
DOIs	https://doi.org/10.1088/1004-423X/8/7/009
State	Published - 1999
Externally published	Yes

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title = "Effect of grain-alignment on the levitation force of melt-processed ybco bulk superconductors",

abstract = "Single-domain YBCO bulk superconductors have been fabricated by Top Seeded Melt Slow Cooling Growth(TSSCG) process. Two typical YBCO cylinder samples with differential grain-alignment were selected for the investigation of the relationship between the grain-alignment and the levitation force under the same testing condition at liquid nitrogen temperature. It is found that the levitation force values is much different for the two samples, the levitation force of the sample with H∥c-axis is more than two times higher than that of the samples with H⊥c-axis. So it is necessary to take account of this anisotropy in practical applications. The relationship between a magnet and a superconductor can be well described with a double exponential function. All the results are discussed in details.",

author = "Yang Wan-Min and Zhou Lian and Feng Yong and Zhang Ping-Xiang and Wu Min-Zhi and Wu Xiao-Zu and W. Gawalek",

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T1 - Effect of grain-alignment on the levitation force of melt-processed ybco bulk superconductors

AU - Wan-Min, Yang

AU - Lian, Zhou

AU - Yong, Feng

AU - Ping-Xiang, Zhang

AU - Min-Zhi, Wu

AU - Xiao-Zu, Wu

AU - Gawalek, W.

PY - 1999

Y1 - 1999

N2 - Single-domain YBCO bulk superconductors have been fabricated by Top Seeded Melt Slow Cooling Growth(TSSCG) process. Two typical YBCO cylinder samples with differential grain-alignment were selected for the investigation of the relationship between the grain-alignment and the levitation force under the same testing condition at liquid nitrogen temperature. It is found that the levitation force values is much different for the two samples, the levitation force of the sample with H∥c-axis is more than two times higher than that of the samples with H⊥c-axis. So it is necessary to take account of this anisotropy in practical applications. The relationship between a magnet and a superconductor can be well described with a double exponential function. All the results are discussed in details.

AB - Single-domain YBCO bulk superconductors have been fabricated by Top Seeded Melt Slow Cooling Growth(TSSCG) process. Two typical YBCO cylinder samples with differential grain-alignment were selected for the investigation of the relationship between the grain-alignment and the levitation force under the same testing condition at liquid nitrogen temperature. It is found that the levitation force values is much different for the two samples, the levitation force of the sample with H∥c-axis is more than two times higher than that of the samples with H⊥c-axis. So it is necessary to take account of this anisotropy in practical applications. The relationship between a magnet and a superconductor can be well described with a double exponential function. All the results are discussed in details.

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Effect of grain-alignment on the levitation force of melt-processed ybco bulk superconductors

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