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A solid-state matrix of adaptive weights based on domain tip motion in thin permalloy films

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3 Author(s)
Boyarchenkov, M. ; Institute of Electronic Control Computers, Moscow, USSR. ; Gostev, V. ; Raev, V.

Controllable domain tip propagation in thin ferromagnetic films can be effectively used for performing iterative process in systems containing arrays of adaptive weights. This paper, along with necessary experimental data and general description of the device with control electronics, contains an analysis of stability conditions for a domain wall arbitrarily positioning in a narrow ferromagnetic channel. It is shown that packing density of the adaptive weights in homogeneous thin-film structures can reach the value of 100 to 200 elements per square centimeter without a deterioration of device basic characteristics. For additional details, please see Digests of the 1972 Intermag Conference (available from IEEE Headquarters).

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Magnetics, IEEE Transactions on  (Volume:8 ,  Issue: 3 )