直流偏场和面内场交替作用对普通硬泡的影响

实验研究了直流偏场“整形”和面内场交替作用下普通硬磁泡畴壁中垂直布洛赫线（ＶＢＬ）的消失规律。发现存在一个与磁泡材料参量相关的使ＶＢＬ链解体的临界面内场范围［Ｈ（０）ｉｐ,Ｈ（２）ｉｐ］,证明了面内场作用下普通硬磁泡畴壁中ＶＢＬ的消失与其畴壁中所含ＶＢＬ数目的多少无关。为准确测得面内场作用下ＶＢＬ不稳定的最小临界面内场提供了一种实验方法

The Influence of the Alternative Actions of Static Bias Fields and In plane Fields on Ordinary Hard Bubble

It is studied experimentally that the annihilation rule of vertical bloch lines(VBL) in the domain walls of ordinary hard bubbles(OHB) exerted alternatively by the "reconstitution" of static bias fields and in plane fields.It is found that there exists a critical in plane field range [H(0)ip,H(2)ip],within which the VBL chains can be broken down,the range is dependent on the parameter of magnetic bubble material.It is proved that the annihilation of VBLs is OHB domain walls exerted by in plane fields is independent of the number of the VBLs.This provides a method to measure accurately the minimum critical in plane field of unsteady VBLs.