Sun H Y, Hu H N, Nie X F. The annihilation of vertical bloch line chains in the walls of hard domains to which bias fields and in plane fields are alternately applied\[J\]. J Magn Magn Mater,2001,237:2174-2177.
[8]
Han B S, Dahl B, Yuan Y, et al. On the mechanism of the critical temperature for the breakdown of VBL chains\[J\]. J Magn Magn Mater,1992,104:305-307.
[9]
Sun H Y, Gu J J, Hu H N. Influence of cubic crystalline anisotropy on the annihilation of vertical bloch lines in the walls of hard domains under in-plane field\[J\]. J Magn Magn Mater,2005,292:281-285.