Influence of crossed fields in structures combining large grain, bulk (RE)BCO superconductors and soft ferromagnetic discs
Influence of crossed fields in structures combining large grain, bulk (RE)BCO superconductors and soft ferromagnetic discs
复制标题
交叉场对大晶粒、块体 (RE)BCO 超导体和软铁磁盘组合结构的影响
DOI：
10.1088/1742-6596/695/1/012003
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
P. Vanderbemden
中科院分区：
文献类型：
--
作者：
M. Philippe;J. Fagnard;L. Wéra;M. Morita;S. Nariki;H. Teshima;H. Caps;B. Vanderheyden;P. Vanderbemden
大块（RE）BCO超导体能够捕获记录磁场，并且可以在各种工程应用中用作强大的永磁体，例如旋转机器和磁性轴承。当这种超导（SC）“捕获场磁体”组合到铁磁（FM）盘时，总磁矩相对于单独的超导体的总磁矩增加。在目前的工作中，我们实验研究的磁性行为的这种混合FM/SC结构时，他们受到周期的外加磁场是正交的永久磁化，即“交叉场”的配置。实验结果表明，铁磁体的存在大大减少了通常由横向场周期引起的“交叉场退磁”。
Bulk (RE)BCO superconductors are able to trap record magnetic fields and can be used as powerful permanent magnets in various engineering applications such as rotating machines and magnetic bearings. When such superconducting (SC) “trapped field magnets” are combined to a ferromagnetic (FM) disc, the total magnetic moment is increased with respect to that of the superconductor alone. In the present work, we study experimentally the magnetic behaviour of such hybrid FM/SC structures when they are subjected to cycles of applied field that are orthogonal to their permanent magnetization, i.e. a “crossed-field” configuration. Experimental results show that the usual “crossed-field demagnetization” caused by the cycles of transverse field is strongly reduced in the presence of the ferromagnet.
影响因子：
3.6
作者：
Durrell, J. H.;Dennis, A. R.;Cardwell, D. A.
通讯作者：
Cardwell, D. A.
影响因子：
4
作者：
Baghdadi, M.;Ruiz, H. S.;Coombs, T. A.
通讯作者：
Coombs, T. A.