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Decoration of multi-walled carbon nanotubes with FexNi1-x alloys and their magnetic properties
- Authors
- Koo, M.Y.[Koo, M.Y.]; Lee, G.W.[ Lee, G.W.]; Park, S.B.[ Park, S.B.]; Kang, S.S.[Kang, S.S.]; Park, Y.S.[ Park, Y.S.]; Shin, H.C.[ Shin, H.C.]; Kim, J.Y.[ Kim, J.Y.]; Park, D.-H.[ Park, D.-H.]; Ahn, K.H.[ Ahn, K.H.]; Kang, S.-J.[ Kang, S.-J.]; Kim, W.-S.[ Kim, W.-S.]
- Issue Date
- 5-Feb-2017
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- EMI shielding; FexNi1-x alloys; Magnetization; MWCNTs; Soft magnetic materials
- Citation
- JOURNAL OF ALLOYS AND COMPOUNDS, v.693, pp.1083 - 1089
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ALLOYS AND COMPOUNDS
- Volume
- 693
- Start Page
- 1083
- End Page
- 1089
- ISSN
- 0925-8388
- Abstract
- Multi-walled carbon nanotubes (MWCNTs) decorated with an Fe-Ni alloy using a wet impregnation process, and their magnetic properties are investigated. The composition ratio of the FexNi1-x alloy particles attached to the MWCNTs surface is controlled by the amount of each metal added during the manufacture of the mixed solution. The saturation magnetization (Ms) and the ratio of saturation magnetization to remanent magnetization (Ms/Mr) are influenced by the Ni and Fe concentrations in the metal alloy. The FexNi1-x/MWCNTs samples show a transition to soft magnetic materials with increasing Ni content in the metal alloy, and the transition tends to improve as the amount of metal content is increased, showing an increase in Ms and the Ms/Mr ratio. The differences in the magnetic properties between the metal alloys attached to and detached from the MWCNTs are discussed. (C) 2016 Elsevier B.V. All rights reserved.
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