Dependence of Relaxation Time on the Core Size Two-Phase Nanoparticles Magnetite/Titanomagnetite

Ilia Iliushin; Leonid Lazarevich Afremov; Sergey Anisimov

doi:10.4028/www.scientific.net/AMM.752-753.418

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 752-753Dependence of Relaxation Time on the Core Size...

Dependence of Relaxation Time on the Core Size Two-Phase Nanoparticles Magnetite/Titanomagnetite

Abstract:

In this paper, depending of the blocking temperature on magnetite core size for core/shell nanoparticles has been carried out using our theoretical model. Nanoparticles has size of 100nm, and magnetite core increases from 0nm to 100nm. Systems were studied with different values of exchange constant. The data obtained indicate that exchange constant increases the blocking temperature. However, the sign of the constant does not matter.

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Periodical:

Applied Mechanics and Materials (Volumes 752-753)

Pages:

418-421

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.752-753.418

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Online since:

April 2015

Authors:

Ilia Iliushin*, Leonid Lazarevich Afremov, Sergey Anisimov

Keywords:

Core-Shell Nanoparticles, Magnetic Nanoparticles, Metastable States, Relaxation Time, Superparamagnetic State, Transitions between States

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