Advancing Critical Currents in Superconductors

1
December 12th 2002 - Compiled by Peter J. Lee -
jcprog_02bl.ppt, jcprog_02.xls
Superconductor Critical Currents
Legend on next slide
100,000
At 4.2 K Unless
Otherwise Stated
YBCO
Nb-Ti
Multilayer
µbridge Hc
10,000
2212
Tape
YBCO
75 K Ha-b
Nb
Sn
2212 Round wire
3
1,000
ITER
Critical Current Density, A/mm²
2223
2223
Nb
Al
Tape B_
3
Nb
Sn Tape
3
Tape B
ITER
from (Nb,Ta)
Sn
6
5
1.8 K
Nb-Ti
HT
Nb
Al
Nb-Ti-Ta
RQHTCu
3
Nb-Ti
100
APC
1.8 K
YBCO
Nb-Ti
75 K Hc
MgB
2
Film
PbSnMo
S
Nb
Sn
6
8
3
1.8 K Bronze
10
0
5
10
15
20
25
30
Applied Field, T
2
Legend