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MgB2
JST)
MgB2
1910 1930 1950 1970 1990
10
30
50
70
90
110
130
150
YBi
Tl
Hg K
Nb3Sn (18K) NbTi (10K)
La
77K (-196 )
4K (-269 )
135K (-138 )
2000
C60MgB2
MgB2150 A
ColumbusMgB2
3.5 mm× 0.65mm
50 m
220mm
20J
150 A,0.005 T @ 35 K)
Columbus MgB2
JST / ALCA)