Barkhausen jumps and related magnetic properties of iron nanowires encapsulated in aligned carbon nanotube bundles

Iron nanowires encapsulated in aligned carbon nanotube bundles show interesting magnetic properties. Besides the increased coercivity, Barkhausen jumps with 5 emu/g steps in magnetization are observed due to magnetization reversal or depinning of domains.

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Bibliographic Details
Published in:Chemical physics letters 2002-08, Vol.362 (3), p.301-306
Main Authors: Satishkumar, B.C, Govindaraj, A, Vanitha, P.V, Raychaudhuri, Arup K, Rao, C.N.R
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Magnetic properties and materials
Magnetic properties of nanostructures
Physics
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Description
Summary:Iron nanowires encapsulated in aligned carbon nanotube bundles show interesting magnetic properties. Besides the increased coercivity, Barkhausen jumps with 5 emu/g steps in magnetization are observed due to magnetization reversal or depinning of domains.
ISSN:0009-2614
1873-4448
DOI:10.1016/S0009-2614(02)01082-5