Gadolinium gallium garnet (GGG) substrate, an excellent substrate material for Bi Fe garnet epitaxial films

Gadolinium gallium garnet (GGG) substrate, one of the earlier developed garnet materials, can not be used as the substrate of high bismuth substituted iron garnet epitaxial layer because of its small lattice constant. Therefore, the sggg crystals with Ca, Mg and Zr as substitution ions are more suitable for the epitaxial films.

Material properties

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