Abstract
Surface acoustic wave (SAW) devices have become an important field of interest because of their low power consumption, low cost, and high stability. In this work, we report an experimental work of tuning the intensity of SAW assisted domain wall motion via the insertion of a nonmagnetic-metal Pd layer between [Co/Pd]2 and Py. The results indicated that the velocity of the domain wall motion assisted by SAW can be reduced by increasing the thickness of the inserted nonmagnetic-metal Pd at the fundamental frequency (183.4 MHz). Above or below the fundamental frequency, the response of the device is not obvious. Our study could provide a way for achieving adjustable and stable domain wall motion in domain-wall-based spintronic devices.
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