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Structural and magnetic properties of amorphous and nanocrystalline CoFeSiB thin films
- Authors
- Yoon, Jungbum; Park, Seung-Young; Jo, Younghun; Jung, Myung-Hwa; You, Chun-Yeol; Kim, Taewan; Hwang, Jae Youn; Yim, Hae In; Rhee, Jang Roh; Chun, Byong Sun; Kim, You Song; Kim, Young Keun
- Issue Date
- Jul-2008
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- amorphous; antiferromagnetic exchange coupling; nanocrystalline CoFeSiB thin film
- Citation
- IEEE TRANSACTIONS ON NANOTECHNOLOGY, v.7, no.4, pp 409 - 411
- Pages
- 3
- Journal Title
- IEEE TRANSACTIONS ON NANOTECHNOLOGY
- Volume
- 7
- Number
- 4
- Start Page
- 409
- End Page
- 411
- ISSN
- 1536-125X
1941-0085
- Abstract
- This study examined the structural, magnetic, and transport properties of CoFeSiB films with various Co compositions. The main focus was on two samples, amorphous Co(74) Fe(14) Si(14) B(8) and nanocrystalline Co(78) Fe(2) Si(12) B(8) thin films. The results show that the amorphous film is a typical soft magnetic material, while the nanocrystalline film has a large saturation field. It is believed that in a nanocrystalline thin film, a large saturation field is caused by antiferromagnetic exchange at the boundary between the amorphous and nanocrystalline phases.
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