| 简介 |
PROBLEM TO BE SOLVED : To provide a single crystal substrate that has high quality essential to growing a bismuth-substituted rare earth iron garnet single crystal by liquid-phase epitaxial growth, has lattice constant and thermal expansion coefficient values close to those of a bismuth-substituted rare earth iron garnet single crystal film and has a composition formula that can be grown by the industrially advantageous CZ method.
SOLUTION : The single crystal substrate for growing the bismuth-substituted rare earth iron garnet single crystal by liquid-phase epitaxial growth has the composition formula : CaxNby1Tiy2GazO12 (wherein x, y1, y2 and z satisfy the relations : 2.9
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