Title :
Magnetic hysteresis and flux creep of YBa/sub 2/Cu/sub 3/O/sub x/ grown by the melt-powder-melt-growth (MPMG) process
Author :
Kung, P.J. ; Maley, M.P. ; Willis, J.O. ; McHenry, M.E. ; Murakami, M. ; Tanaka, S.
Author_Institution :
Los Alamos Nat. Lab., NM, USA
fDate :
3/1/1993 12:00:00 AM
Abstract :
Magnetic hysteresis and flux creep of melt-powder-melt-growth (MPMG) YBa/sub 2/Cu/sub 3/O/sub x/ containing nominal 0, 25, and 40 mole% Y/sub 2/BaCuO/sub 5/
Keywords :
barium compounds; critical current density (superconductivity); flux creep; flux pinning; high-temperature superconductors; magnetic hysteresis; yttrium compounds; YBa/sub 2/Cu/sub 3/O/sub x/; collective flux creep; critical magnetization current density; effective pinning energy; finely dispersed second-phase 211 particles; flux creep; high temperature superconductor; magnetic hysteresis; melt-powder-melt-growth; vortex-glass state; Creep; Current density; Current measurement; Density measurement; Energy measurement; Magnetic field measurement; Magnetic hysteresis; Temperature dependence; Temperature distribution; Temperature measurement;
Journal_Title :
Applied Superconductivity, IEEE Transactions on