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Micromagnetic Computer Simulated Scaling Effect of S-Shaped Permalloy Nano-Element on Operating Fields for and or or Logic

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10 Author(s)
Abo, G.S. ; Dept. of Electr. & Comput. Eng., Univ. of Alabama, Tuscaloosa, AL, USA ; Hong, Yang-Ki ; Byoung-Chul Choi ; Donahue, M.J.
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The scaling effect of permalloy s-shaped element, a rectangular element with appendages, on operating fields, Hx and Hy, was investigated by micromagnetic computer simulations for and or or logic. The optimized combination of operating fields (Hx, Hy) was found to be (27.7±9.9, -16.7±8.8), (37.9±12.4, -25.9±6.0), and (42.2±8.8, -23.9±4.0) in kA/m for the 100, 50, and 30 nm long s-shaped elements, respectively. As the s-shaped element is scaled down, the allowable deviation from the optimized operating fields becomes smaller and optimized operating fields shift to higher field.

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Magnetics, IEEE Transactions on  (Volume:48 ,  Issue: 5 )