期刊
MATERIALS
卷 14, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/ma14061554
关键词
sol-gel synthesis; iron ferrites; garnet; perovskites; thin films
类别
资金
- Research grant BUNACOMP from Research Council of Lithuania (LMTLT) [S-MIP-19-9]
In this study, aqueous sol-gel synthesis and dip-coating techniques were used to prepare YIG, YIP, and TIP bulk and thin films. The coatings, influenced by substrate surface, exhibited mixed phases of both garnet and perovskite.
In this study, an aqueous sol-gel synthesis method and subsequent dip-coating technique were applied for the preparation of yttrium iron garnet (YIG), yttrium iron perovskite (YIP), and terbium iron perovskite (TIP) bulk and thin films. The monophasic highly crystalline different iron ferrite powders have been synthesized using this simple aqueous sol-gel process displaying the suitability of the method. In the next step, the same sol-gel solution was used for the fabrication of coatings on monocrystalline silicon (100) using a dip-coating procedure. This resulted, likely due to substrate surface influence, in all coatings having mixed phases of both garnet and perovskite. Thermogravimetric (TG) analysis of the precursor gels was carried out. All the samples were investigated by X-ray powder diffraction (XRD) analysis. The coatings were also investigated by scanning electron microscopy (SEM), atomic force microscopy (AFM) and Mossbauer spectroscopy. Magnetic measurements were also carried out.
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