Modeling interaction between Co/Pt nanomagnets and Permalloy domain wall for Nanomagnet Logic
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SubjectCo/Pt multilayer stacks; Domain wall; Lower power dissipation; Nanomagnet logic (NML); Micromagnetic simulation
Nanomagnet Logic (NML) emerges as one of the promising beyond CMOS computing architectures. Proposed NML devices require magnetic field clocking, generated by a power-hungry clocking structure. We recently proposed clocking nanomagnets with magnetic domain walls. This paper presents a combined experimental and computational study, exploring the interaction between Co/Pt nanomagnets and Permalloy domain walls. Our micromagnetic simulations verified the feasibility of achieving error-free antiferromagnetic ordering with the introduced clocking scheme. © 2012 IEEE.
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Ju X; Wartenburg S; Rezgani J; Becherer M; Kiermaier J; Breitkreutz S; Schmitt-Landsiedel D; Porod W; Lugli P; Csaba G (2012)This paper presents a computational study of logic devices built from single-domain Co/Pt nanomagnets, where magnetic properties of the dots are engineered by an inhomogenous focused ion beam (FIB) irradiation. We develop ...
Li P; Csaba G; Sankar V; Ju X; Varga E; Lugli P; Hu X; Niemier M; Porod W; Bernstein G (2012)An experimental and computational study of coupling between lithographically fabricated, near-single-domain nanomagnets is presented. Pairs of coupled nanomagnets were fabricated, and their switching properties were ...
Niemier M; Csaba G; Dingier A; Hu X; Porod W; Ju X; Becherer M; Schmitt-Landsiedel D; Lugli P (IEEE, 2012)We present the design and simulation of information processing hardware that is comprised of single domain, Co/Pt magnets (i.e., out-of-plane nanomagnet logic - or oNML). We first describe the design and evaluation of oNML ...