Radiation damage and flux pinning in high temperature superconductors

1993 ◽  
Vol 80-81 ◽  
pp. 1255-1258 ◽  
Author(s):  
J.R. Liu ◽  
J. Kulik ◽  
Y.J. Zhao ◽  
W.K. Chu
Keyword(s):  
High Temperature ◽  
Radiation Damage ◽  
Flux Pinning ◽  
High Temperature Superconductors

INTRINSIC MAGNETIZATION RELAXATION PROPERTIES OF Y1:2:3

1991 ◽  
Vol 05 (04) ◽  
pp. 277-284 ◽  
Author(s):  
Y.Y. XUE ◽  
Z.J. HUANG ◽  
L. GAO ◽  
P.H. HOR ◽  
R.L. MENG ◽  
...  
Keyword(s):  
High Temperature ◽  
Critical State ◽  
Flux Pinning ◽  
High Temperature Superconductors ◽  
Distribution Model ◽  
Magnetization Relaxation ◽  
Pinning Potential ◽  
Monotonically Increasing Function ◽  
Monotonically Decreasing Function ◽  
Increasing Function

The intrinsic magnetization relaxation rate R(T)≡dM(t, T)/d ln t and the pinning potential U0(T) have been determined for single crystalline and melt-textured YBa2Cu3O7 (Y1:2:3) high temperature superconductors of different sizes in their critical state. In contrast to previous reports, R(T) is a monotonically decreasing function and U0(T), deduced from R(T), a monotonically increasing function of temperature. The unusual temperature dependence of U0 is qualitatively explained in terms of a collective flux pinning. The U0-distribution model previously proposed for HTS’s is not consistent with certain experimental observations.

Remanent moment of high-temperature superconductors: Implications for flux-pinning and glassy models

1988 ◽  
Vol 38 (10) ◽  
pp. 6490-6499 ◽  
Author(s):  
A. P. Malozemoff ◽  
L. Krusin-Elbaum ◽  
D. C. Cronemeyer ◽  
Y. Yeshurun ◽  
F. Holtzberg
Keyword(s):  
High Temperature ◽  
Flux Pinning ◽  
High Temperature Superconductors
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