Garnet bubble domain material utilizing lanthanum and lutecium

Details Garnet bubble domain material utilizing lanthanum and lutecium Garnet bubble domain material utilizing lanthanum and lutecium

G - Physics

11

C

352/37.2

G11C 11/14 (2006.01) C04B 35/26 (2006.01) H01F 10/24 (2006.01)

Patent

CA 1074914

GARNET BUBBLE DOMAIN MATERIAL UTILIZING LANTHANUM AND LUTECIUM ABSTRACT OF THE DISCLOSURE The invention is a substituted garnet bubble domain material in which lutecium and lanthanum have been substituted for yttrium. More specifically, the material comprises a gadolinium gallium garnet substrate; and an epitaxial bubble domain film supported by said substrate, said bubble doamin film having a nominal composition of substantially Lu2.27La0.73Ga1.1Fe3.9O12. This material has a high growth-induced uniaxial anisotropy (KG) and high wall mobility.

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