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- Yoo, Jung-Woo
- Nano Spin Transport Lab.
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Formation of Y3Fe5O12 matrix including epsilon-phase Fe2O3 with the giant coercive field via optimized sol-gel method
- Author(s)
- Jang, Min-Sun, Ok, Hye-Jin, Oh, Inseon, Kang, Gu-Hyeok, Yoo, Jung-Woo, Lee, Ki-Suk
- Issued Date
- 2022-06
- Citation
- JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, v.552, pp.169218
- Abstract
- The effect of compression and heat treatment on the microstructural morphology and magnetic characteristics of the imperfectly crystallized yttrium-iron-garnet (Y3Fe5O12, YIG) matrix was observed by optimizing the sol-gel synthesis process. In particular, among the various temperatures when calcination was performed at 850 degrees C, we observed that an epsilon-phase Fe2O3 with a giant coercive field but low saturation magnetization was formed in the YIG matrix.
- Publisher
- ELSEVIER
- ISSN
- 0304-8853
- Keyword (Author)
- Sol-gel processes, Microstructure, Magnetic measurement, Phase transitions, Epsilon-phase iron oxide
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