MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Computer Simulations on Barkhausen Effects and Magnetizations in Fe Nano-Structure Systems
Shuji Obata
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2014 Volume 55 Issue 10 Pages 1591-1598

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Abstract

The magnetization processes in regular lattice Fe nano-systems are investigated by means of the numerical simulations based on classical magnetic dipole moment interactions. The domain energies are calculated from moment-moment interactions over whole systems using large scale computing resources. The results directly show basic magnetization phenomena. The Barkhausen effects are represented with magnetization steps in external field changes of ΔH, which are composed of jumps ΔMB and terraces ΔHB.

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© 2014 The Japan Institute of Metals and Materials
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