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Magnetic field driving custom assembly in (FeCo) nanocrystals

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Marín, P. and López, M. and Vlad, A. and Hernando Grande, Antonio and Ruiz González, M. L: and González Calbet, J. M. (2006) Magnetic field driving custom assembly in (FeCo) nanocrystals. Applied physics letters, 89 (3). ISSN 0003-6951

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Official URL: http://dx.doi.org/10.1063/1.2222254


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Abstract

We present the possibility of tuning the nanocrystalline microstructure of Co-rich samples by magnetic field annealing. Custom assembly of nucleated grains, aligned in the field direction, has been observed by means of high resolution transmission microscopy. The organized microstructure was obtained on the basis of the appropriate choice of composition, annealing temperature, related to the initial stages of nanocrystallization process, and magnetic field intensity. The linear pattern of the grains has been explained as a consequence of the counterbalance between magnetic, magnetostatic, and magnetocrystalline couplings, only relevant when the nucleation temperature is well below the Curie temperature of the nucleated phase.


Item Type:Article
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©2006 American Institute of Physics.

Uncontrolled Keywords:Alloys; Crystallization; Wires
Subjects:Sciences > Physics > Materials
Sciences > Physics > Solid state physics
ID Code:44128
Deposited On:29 Aug 2017 15:55
Last Modified:12 Feb 2018 18:17

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