Destruction phenomena in ferroactive materials

Author:

Khasbulatov Sidek12,Cherpakov Aleksander3,Parinov Ivan3,Andryushin Konstantin1,Shilkina Lidiya1,Aleshin Vladimir1,Andryushina Inna1,Mardaliev Balabek4,Gordienko David4,Verbenko Iliya1,Reznichenko Larisa1

Affiliation:

1. Research Institute of Physics, Southern Federal University, Rostov-on-Don 344090, Stachki str. 194, Russia

2. Faculty of Physics and Information-Communication Technologies, Grozny 364024, Sultan Dudaev Boulevard, 17A Russia

3. Institute of Mathematics, Mechanics and Computer Science named after of I.I. Vorovich, Southern Federal University, 344090 Rostov-on-Don, Stachki str. 200/1, Russia

4. Faculty of Physics, Southern Federal University, 344090 Rostov-on-Don, Zorge 5, Russia

Abstract

The results of a comprehensive study of the crystal structure, grain structure, and strength properties of ceramic bismuth ferrite with rare earth elements (REE) obtained by two-stage solid-phase synthesis followed by sintering using conventional ceramic technology are presented. The reasons for the formation of low mechanical strength and the development of destruction phenomena in solid solutions with small REE ([Formula: see text] Å) are considered: Tb, Dy, Ho, Er, Tm, Yb, Lu. The causes of the observed phenomena associated with the composite-like structure of the studied media and, as a consequence, the occurrence of local stresses of structural elements that provoke crack formation are established. A source of the latter are also the structural features of the grain landscape. The conclusion is made about the appropriateness of taking into account the information obtained when developing devices based on BiFeO3/REE multiferroics.

Funder

Ministry of Science and Higher Education of the Russian Federation

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Condensed Matter Physics,Ceramics and Composites,Electronic, Optical and Magnetic Materials

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