Magnetic suspension of a Bi, Pb-Sr-Ca-Cu-O superconductor due to the Meissner effect

Hitoshi Kitaguchi; Jun Takada; Kiichi Oda; Akiyoshi Osaka; Yoshinari Miura; Yoichi Tomii; Hiromasa Mazaki; Mikio Takano

doi:10.1016/0921-4534(89)90014-2

Magnetic suspension of a Bi, Pb-Sr-Ca-Cu-O superconductor due to the Meissner effect

Hitoshi Kitaguchi, Jun Takada, Kiichi Oda, Akiyoshi Osaka, Yoshinari Miura, Yoichi Tomii, Hiromasa Mazaki, Mikio Takano

Faculty of Engineering

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

13 Citations (Scopus)

Abstract

The magnetic suspension of a high-T_c Bi, Pb-Sr-Ca-Cu-O superconductor beneath a ring-shaped permanent magnet was examined by means of an improved magneto-balancing method at 77 K. Both the experimental values of the suspending position and the force exerted upon the superconducting specimen were in good agreement with those calculated from the magnetization curve of the specimen and the magnetic field map of the used permanent magnet. The magnetic suspension was thus clarified to be due to the Meissner effect, not due to the well-known pinning effect.

Original language	English
Pages (from-to)	267-271
Number of pages	5
Journal	Physica C: Superconductivity and its applications
Volume	157
Issue number	2
DOIs	https://doi.org/10.1016/0921-4534(89)90014-2
Publication status	Published - Feb 1 1989

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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10.1016/0921-4534(89)90014-2

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abstract = "The magnetic suspension of a high-Tc Bi, Pb-Sr-Ca-Cu-O superconductor beneath a ring-shaped permanent magnet was examined by means of an improved magneto-balancing method at 77 K. Both the experimental values of the suspending position and the force exerted upon the superconducting specimen were in good agreement with those calculated from the magnetization curve of the specimen and the magnetic field map of the used permanent magnet. The magnetic suspension was thus clarified to be due to the Meissner effect, not due to the well-known pinning effect.",

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AU - Kitaguchi, Hitoshi

AU - Takada, Jun

AU - Oda, Kiichi

AU - Osaka, Akiyoshi

AU - Miura, Yoshinari

AU - Tomii, Yoichi

AU - Mazaki, Hiromasa

AU - Takano, Mikio

PY - 1989/2/1

Y1 - 1989/2/1

N2 - The magnetic suspension of a high-Tc Bi, Pb-Sr-Ca-Cu-O superconductor beneath a ring-shaped permanent magnet was examined by means of an improved magneto-balancing method at 77 K. Both the experimental values of the suspending position and the force exerted upon the superconducting specimen were in good agreement with those calculated from the magnetization curve of the specimen and the magnetic field map of the used permanent magnet. The magnetic suspension was thus clarified to be due to the Meissner effect, not due to the well-known pinning effect.

AB - The magnetic suspension of a high-Tc Bi, Pb-Sr-Ca-Cu-O superconductor beneath a ring-shaped permanent magnet was examined by means of an improved magneto-balancing method at 77 K. Both the experimental values of the suspending position and the force exerted upon the superconducting specimen were in good agreement with those calculated from the magnetization curve of the specimen and the magnetic field map of the used permanent magnet. The magnetic suspension was thus clarified to be due to the Meissner effect, not due to the well-known pinning effect.

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Magnetic suspension of a Bi, Pb-Sr-Ca-Cu-O superconductor due to the Meissner effect

Abstract

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