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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Synthesis and multiferroic properties of particulate composites resulting from combined size effects of the magnetic and ferroelectric phases

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Author(s):
Fukano Viana, Diego Seiti [1] ; Aparecido De Oliveira, Adilson Jesus [1] ; Charles Parra Jimenez, Korllvary Rhanddy [1] ; Milton, Flavio Paulo [1] ; Eiras, Jose Antonio [1] ; Santos, Guilherme Maia [2] ; Garcia, Ducinei [1]
Total Authors: 7
Affiliation:
[1] Univ Fed Sao Carlos, Phys Dept, Rod Washington Luis, Km 235 SP-310, BR-13565905 Sao Carlos, SP - Brazil
[2] Univ Estadual Maringa, Phys Dept, Av Colombo 5790, Zona 07, BR-87020900 Maringa, Parana - Brazil
Total Affiliations: 2
Document type: Journal article
Source: CERAMICS INTERNATIONAL; v. 48, n. 1, p. 931-940, JAN 1 2022.
Web of Science Citations: 0
Abstract

The effect of grain size was not fully explored in composites containing ferroelectric and magnetic phases including the independent properties of each phase. Aiming to study the dependence of ferroic and multiferroic properties with average grain size in composites this work reports preparation method and electric, magnetic and magnetoelectric properties of particulate composites with distinct combination of grain size of each phase. A new sintering method was applied to prepare a group of samples with distinct configuration of grain size distribution. With this method it was possible to densify ceramics avoiding grain growth using spark plasma sintering. It was observed that the all ferroic and multiferroic properties were correlated with the setup of grain size of each phase in the composite, by example the dependence of magnetic properties with the electric phase grain size. Besides it was noticed that is possible to improve magnetoelectric coefficient by changing grain size of both phase, even inducing the self-biased effect by decreasing the grain size of the ferroelectric phase. (AU)

FAPESP's process: 08/04025-0 - Nanostructured multifunctional multiferroic materials: synthesis, properties, phenomenology and applications
Grantee:José Antonio Eiras
Support Opportunities: Research Projects - Thematic Grants