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Structural and magnetic properties of amorphous and nanocrystalline CoFeSiB thin films

Authors
Yoon, JungbumPark, Seung-YoungJo, YounghunJung, Myung-HwaYou, Chun-YeolKim, TaewanHwang, Jae YounYim, Hae InRhee, Jang RohChun, Byong SunKim, You SongKim, Young Keun
Issue Date
7월-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
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON NANOTECHNOLOGY
Volume
7
Number
4
Start Page
409
End Page
411
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/123072
DOI
10.1109/TNANO.2008.926334
ISSN
1536-125X
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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