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Preparation and evaluation of metal/ceramic nanocomposites for high frequency inductive devices
- Authors
- Yang, Jae-kyo; Park, Dong-jin; Kim, Jongryoul; Chang, Siyoung; Lee, C. -H.; Sekino, Tohru; Niihara, Koiichi; Choa, Yongho
- Issue Date
- Aug-2006
- Publisher
- Trans Tech Publications Ltd.
- Keywords
- high frequency magnetic materials; ferromagnetic resonance; nanocomposite; Fe/MgO; ultrasonic spray pyrolysis
- Citation
- Key Engineering Materials, v.317-318, pp 869 - 872
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- Key Engineering Materials
- Volume
- 317-318
- Start Page
- 869
- End Page
- 872
- ISSN
- 1013-9826
1662-9795
- Abstract
- Fe/MgO nanocomposites, which are applicable to high frequency electronic devices, were fabricated by ultrasonic spray pyrolysis and selective reduction processes. Transmission electron micrographs showed that nano ferromagnetic Fe particles were isolated by MgO insulating matrix. With the increase of the reduction temperature, the particle size and saturation magnetization of the nanocomposites increased, which resulted in the decrease of the coercive force and the increase of the permeability. Furthermore, the ferromagnetic resonance peak of the nanocomposites was not observed up to 9 GHz.
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Related Researcher
- CHOA, YONG HO
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)