Abstract
In this work, we examine the temperature dependence of magnetic domain wall (DW) creep motion in ferrimagnetic Tb/CoFeB/MgO microwires by using a real-time DW detection method. By measuring the field-dependent DW velocity at various temperatures, the creep-scaling constant and the characteristic velocity were evaluated from the creep-scaling analysis. We found that the DW velocity changed significantly with temperature and was mainly attributed to the variation in the creep-scaling constant than that in the characteristic velocity. Possible mechanisms for the temperature dependence of each parameter are discussed.
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