Device for propagating magnetic domains

Details Device for propagating magnetic domains Device for propagating magnetic domains

G - Physics

11

C

352/37.3

G11C 19/08 (2006.01)

Patent

CA 1180805

ABSTRACT "Device for propagating magnetic domains". A device for propagating magnetic domains (6), comprising a monocrystalline non-magnetic substrate (1) of a material having a garnet structure and a layer (2) of an iron garnet carrying magnetic domains and grown epitaxial- ly on the non-magnetic substrate (1). In the dodecahedral lattice sites the iron garnet comprises at least a bismuth ion and a rare earth ion selected from the group consisting of lutetium, thulium, ytterbium, whereby it combines a very high uniaxial anisotropy with a high domain mobility, which properties make the device extremely suitable for the propagation of magnetic domains having diameters from approximately 1 to approximately 2 /um under the influence of comparatively low driving fields.

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