FIELD: physics.
SUBSTANCE: magnetooptic material is a epitaxial film of (YBi)3(FeGa)5O12 grown on a substrate of nonmagnetic garnet with high lattice constant (example: (GdCa)3(GaMgZn)5O12, Ca3(NbLi)Ga3O12, Ca3(NbMg)2Ga3O12, Ca3(NbGa)5O12). The epitaxial film contains 0.1-0.4 symbolic units of NCa2+.
EFFECT: high recording contrast.
2 dwg
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