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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.55  No.10 (2014)  >  pp.1591-1598

MATERIALS TRANSACTIONS
<<Previous article Vol.55  No.10 (2014)   pp.1591 - 1598 Next article>>

Computer Simulations on Barkhausen Effects and Magnetizations in Fe Nano-Structure Systems

Shuji Obata1)
1) School of Science & Engineering, Tokyo Denki University

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.


Keyword:
magnetization curve, Barkhausen effect, magnetic dipole moment, domain energy, nano-scale iron

Received: May 01, 2014
Accepted: July 09, 2014 , Published online: September 25, 2014

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