Magnetic Levitation System of High Tc Superconductor

초전도 자기부상 시스템

  • Published : 2006.04.01


The magnetic levitation effect a high Tc superconductor beneath the toroidal permanent magnet was examined by means of a improved magnetic seesaw method. Magnetic effects associated with penetration and pinning in superconductor. One of these was focussing of magnetic field by superconductor and the other was magnetic levitation. The existence of equilibrium was shown to be related to hysteresis observed in the force separation for a toroidal permanent magnet and superconductor. Obtained results indicate that magnetic levitation effect in the present case was mainly due to diamagnetic effect.


  1. P.N.Peter, R.C.Sick, E.W.Urbon, C.Y.Huang, M.K.Wu, 'Observation of enhanced properties in samples of silver oxide doped YBaCuO', Appl. Phys. Lett., Vol.52, No.24 (988), p.2066
  2. M.Murakami, 'Melt processing of YBaCuO superconductors and critical currents', Modern Physics Letters, Vol. 4, No.3 (1993) PP. 163-271
  3. F.Hellman, E.M.Gyorgy, D.W,Johnson, J.R.Wang, R.C. Sherwood, 'Levitation of a magnet over flat type II superconductor', J.Appl.Phys. Vol. 63, No.2, (1988) p.447
  4. D.B.Marshall, R.E.DeWames, P.E.D.Morgan, J.J.Ratto, 'High Tc Superconductor Implications for Magnetic Suspension and Shielding', Appl. Phys., Vol. 52, (1989), pp. 87-90