Measurements of magnetic fields of levitated bulk superconductors

N. Yamachi; T. Nishikawa; M. Tomita; K. Sawa; M. Murakami

doi:10.1016/S0921-4534(02)01818-X

Measurements of magnetic fields of levitated bulk superconductors

N. Yamachi, T. Nishikawa, M. Tomita, K. Sawa, M. Murakami

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

5 Citations (Scopus)

Abstract

We have measured the magnetic field and the levitation force of bulk Y-Ba-Cu-O superconductors as a function of their levitation height which was controlled by the magnetic field generated from the Bi-Sr-Ca-Cu-O superconducting magnet. The height dependence of the levitation force could well be explained in terms of the field gradient in the sample and radial component of magnetic field. Comparative study of three bulk samples with different dimensions showed that the diameter was more important than the thickness for the enhancement of the levitation force.

Original language	English
Pages (from-to)	877-882
Number of pages	6
Journal	Physica C: Superconductivity and its applications
Volume	378-381
Issue number	PART 1
DOIs	https://doi.org/10.1016/S0921-4534(02)01818-X
Publication status	Published - 2002 Oct 1
Externally published	Yes

Keywords

Bulk YBCO superconductors
Field distribution
Levitation force

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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abstract = "We have measured the magnetic field and the levitation force of bulk Y-Ba-Cu-O superconductors as a function of their levitation height which was controlled by the magnetic field generated from the Bi-Sr-Ca-Cu-O superconducting magnet. The height dependence of the levitation force could well be explained in terms of the field gradient in the sample and radial component of magnetic field. Comparative study of three bulk samples with different dimensions showed that the diameter was more important than the thickness for the enhancement of the levitation force.",

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T1 - Measurements of magnetic fields of levitated bulk superconductors

AU - Yamachi, N.

AU - Nishikawa, T.

AU - Tomita, M.

AU - Sawa, K.

AU - Murakami, M.

N1 - Funding Information: This work was supported by the New Energy and Industrial Technology Development Organization (NEDO) as Collaborative Research and Development of Fundamental Technologies for Superconductivity Applications. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2002/10/1

Y1 - 2002/10/1

N2 - We have measured the magnetic field and the levitation force of bulk Y-Ba-Cu-O superconductors as a function of their levitation height which was controlled by the magnetic field generated from the Bi-Sr-Ca-Cu-O superconducting magnet. The height dependence of the levitation force could well be explained in terms of the field gradient in the sample and radial component of magnetic field. Comparative study of three bulk samples with different dimensions showed that the diameter was more important than the thickness for the enhancement of the levitation force.

AB - We have measured the magnetic field and the levitation force of bulk Y-Ba-Cu-O superconductors as a function of their levitation height which was controlled by the magnetic field generated from the Bi-Sr-Ca-Cu-O superconducting magnet. The height dependence of the levitation force could well be explained in terms of the field gradient in the sample and radial component of magnetic field. Comparative study of three bulk samples with different dimensions showed that the diameter was more important than the thickness for the enhancement of the levitation force.

KW - Bulk YBCO superconductors

KW - Field distribution

KW - Levitation force

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Measurements of magnetic fields of levitated bulk superconductors

Abstract

Keywords

ASJC Scopus subject areas

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