Abstract
ABSTRACTThe ideal magnetic switching mechanism for many types of data storage, including hard disk recording, is isolated domain coherent rotation (Stoner-Wohlfarth switching). However, in typical Pd/Co multilayers with high coercivity, the dominant switching mechanism is domain wall motion, which causes noise in the read back signal. We show that the proper addition of elements, such as carbon, into Pd/Co multilayers reduces the coupling between adjacent magnetic domains. The reduction of magnetic coupling reduces the length scale over which incoherent switching occurs.
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