Evaluation of the Metastability in Nanodispersed Heterophase Titanomagnetites

The influence of geometric parameters (size of the core and the shell, their elongation, mutual orientation of the long axes) and interphase exchange interaction on the metastability of the magnetic states of the nanoparticle system has been studied in the framework of the model of core/shell nanopa...

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Bibliographic Details
Published in:Izvestiya. Physics of the solid earth 2022-12, Vol.58 (6), p.969-980
Main Authors: Afremov, L. L., Iliushin, I. G.
Format: Article
Language:English
Subjects:
Anisotropy
Core-shell particles
Earth and Environmental Science
Earth Sciences
Elongation
Geophysics/Geodesy
Magnetic anisotropy
Metastable state
Nanoparticles
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Summary:The influence of geometric parameters (size of the core and the shell, their elongation, mutual orientation of the long axes) and interphase exchange interaction on the metastability of the magnetic states of the nanoparticle system has been studied in the framework of the model of core/shell nanoparticles with an arbitrary orientation of the magnetic anisotropy axes of the core and the shell. Blocking temperature and the metastability of the nanoparticle system has been investigated. Metastability appears to reduce the of particles with small core size.
ISSN:1069-3513
1555-6506
DOI:10.1134/S1069351322060155