Controlled Domain Tip Propagation. Part I

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Abstract
Magnetization reversal by the growth of domains at the domain tips is discussed in the light of device applications that such a mode of switching has for the performance of thin‐film all‐magnetic logic. The propagation of domain tips through a pattern of low coercive force channels built into a magnetic film element of high coercivity makes it possible to control the direction of tip growth and the mutual interaction between domain tips brought into proximity. The dependence of the direction of domain tip growth upon the direction of the applied field, the forces of interaction between domain tips, and the speed of domain tip propagation are shown to provide a new technique for the construction of a variety of magnetic thin‐film devices.