Neacute;elhyphen;line motion along Bloch walls

摘要

The motion of Neacute;el lines along subdivided 180deg; Bloch walls has been investigated on iron whisker single crystals by indirect optical observation through the influence on Bitter patterns. The fieldhyphen;induced displacement of the lines is dominated by microscopic Barkhausen jumps, where the lines exhibit a striking flexibility along their longitudinal extent. Phenomena such as line fusion, line nucleation, and interactions with crystal defects have been investigated more closely.