To the theory of mechano-magnetic effects in ferrogels

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URI: http://hdl.handle.net/10481/67777
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Auteur
Blyakhman, FA; Iskakova, Larisa; López López, Modesto Torcuato; Zubarev, Andrey
Date
2019-02
Referencia bibliográfica
Journal of Magnetism and Magnetic Materials 478, 211-215, 2019
Patrocinador
This work has been supported by Russian Foundation for Basic Research (projects 18-08-00178, 19-52-12028); by the Program of the Ministry of Education and Science of the Russian Federation, projects 02.A03.21.0006; 3.1438.2017/4.6; 3.5214.2017/6.7. MTLL is grateful to proyect FIS2017-85954-R (Agencia Estatal de Investigación, AEI, Spain, co-funded by Fondo Europeo de Desarrollo Regional, ERDF, European Union).
Résumé
The paper deals with theoretical study of effect of ferrogels uniaxial elongation on magnetic susceptibilities of these composite materials. We have considered the systems with magnetically soft ellipsoidal and spherical particles. The results show that elongation of the composites with the ellipsoidal particles enhances the susceptibility in the direction of the elongation, whereas the deformation of ferrogels with the spherical particles decreases the susceptibility when the particles concentration is small enough and increases it when the concentration exceeds some threshold magnitude.
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