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Development of FeCo-based thin films for gigahertz applications
- Authors
- Yu, Eunji; Shim, Jongsik; Kim, Inyoung; Kim, Jongryoul; Han, Sukhee; Kim, Hi jung; Kim, Ki hyeon; Yamaguchi, Masahiro
- Issue Date
- Oct-2005
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- high-frequency characteristics; microstructural analysis; oblique deposition method; soft magnetic thin film
- Citation
- IEEE TRANSACTIONS ON MAGNETICS, v.41, no.10, pp.3259 - 3261
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE TRANSACTIONS ON MAGNETICS
- Volume
- 41
- Number
- 10
- Start Page
- 3259
- End Page
- 3261
- ISSN
- 0018-9464
- Abstract
- For improving high-frequency characteristics and soft magnetic properties of (Fe7Co3)B-based thin films, the effects of Ni addition and an oblique deposition method on the microstructures have been examined. The Ni addition to (Fe7Co3)B films was found to enhance B segregation on grain boundaries, which resulted in the formation of a well-defined columnar structure and the increase of film resistivity. Utilizing the columnar structure, large in-plane anisotropy was induced by an oblique deposition method which enabled the control of the inclination angle of the columns. As a result, the ferromagnetic resonance of (Fe7Co3)(71)Ni7B22 thin films reached 6.2 GHz.
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Related Researcher
- Kim, Jong ryoul
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)