Among the magnetic domains, the atoms are transited by the magnetic domain walls. 在磁疇內，原子自旋取向是一致的，磁疇之間由疇壁過渡。
The subsurface oxide layers generated stresses in the sheet and impeded domain wall motion,so that the iron loss was increased. 這種氧化層使鋼板產生應力場，阻礙磁疇壁的位移，因而使鐵損增加。
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