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实验研究了掺氟的Bi-Pb-Sr-Ca-Cu-O块状超导体的磁化和磁通蠕动,结果表明存在一些新的行为:当100Oe150Oe时,U_0(H)∝H~(-α),且α=3/2。
The magnetization and flux creep of the fluorine-doped bulk Bi-Pb-Sr-Ca-Cu-O bulk superconductor were studied experimentally. The results show that there are some new behaviors: when 100Oe 150Oe and α = 3/2 .