Preparation and Characterization of Cerium Substituted Bismuth Dysprosium Iron Garnets for Magneto-Optic Applications

We report on cerium substituted bismuth dysprosium iron garnet of composition Bi
_1.3
Ce
_0.3
Dy
₁
Fe
₅
O
₁₂
prepared by biased target ion beam deposition on a fused quartz substrate and postdeposition crystallization through rapid thermal annealing in air. The resulting thin film garnet achieved promising magnetic and magneto-optic (MO) properties on a low cost amorphous substrate and with reduced thermal budget toward potential MO applications and semiconductor processing for films of similar composition.