Preparation of bismuth substituted dysprosium iron garnet film by a sol-gel process

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Garnet films of Bi1Dy2Fe5O12 were prepared by a sol-gel process, the so called modified Pechini process, in which ethylene diamine tetraacetic acid (EDTA) rather than citric acid (CA) acted as a chelating agent. The results of analysis on crystallization characteristics for sol-gel derived films showed that efficient removal of organic compounds and carbon residuals before the firing process was vital to forming a single phase garnet within the films.

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