Stability and oscillation of MTG high-T/sub c/ superconductors in inhomogeneous magnetic field

Stability and oscillation of MTG high-T/sub c/ superconductors in inhomogeneous magnetic field

The dependencies of the oscillation amplitude on the oscillation frequency of high-T/sub c/ superconducting (HTSC) melt-texture growth (MTG) ball-sample suspended or levitated in an inhomogeneous magnetic field have been investigated. The dependence of the oscillation amplitude versus the oscillatio...

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Veröffentlicht in:IEEE transactions on applied superconductivity 1997-06, Vol.7 (2), p.1747-1750
Hauptverfasser: Postrekhin, E.V., Zhou, L.W., Cai, C.B., Gong, S.M., Fu, Y.X., Zhang, H.
Format: Artikel
Sprache:eng
Schlagworte:
Frequency
High temperature superconductors
Magnetic anisotropy
Magnetic fields
Magnetic flux
Magnetic levitation
Permanent magnets
Perpendicular magnetic anisotropy
Stability
Superconducting magnets
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Zusammenfassung:The dependencies of the oscillation amplitude on the oscillation frequency of high-T/sub c/ superconducting (HTSC) melt-texture growth (MTG) ball-sample suspended or levitated in an inhomogeneous magnetic field have been investigated. The dependence of the oscillation amplitude versus the oscillation frequency has maxima. The rotation of the levitated or suspended MTG ring-sample in the rotating magnetic field have been studied. The curve of the sample rotation frequency versus the magnet rotation frequency has maxima which correlate with maxima of the dependence of the oscillation amplitude of the levitated HTSC MTG ball-sample on the frequency of the external magnetic field.
ISSN:1051-8223
1558-2515
DOI:10.1109/77.620918