Topolov, Vitaly Yu. ; Rao, Badari Narayana ; Garg, Rohini ; Ranjan, Rajeev (2015) Interrelationship between Interphase Boundaries and Phase Contents near the Critical Compositions of Lead-Free Ferroelectric (Na0.5Bi0.5)TiO3−BaTiO3 Ferroelectrics, 482 (1). pp. 22-33. ISSN 0015-0193
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Official URL: http://doi.org/10.1080/00150193.2015.1056675
Related URL: http://dx.doi.org/10.1080/00150193.2015.1056675
Abstract
Heterophase structures in lead-free perovskite-type ferroelectric solid solutions of (1 − z)(Na0.5Bi0.5)TiO3 − zBaTiO3 are analysed for a few critical compositions near the morphotropic phase boundary (z = 0.05−0.07). Examples of the phase coexistence and elastic matching of the phases from different symmetry groups are considered to find optimum volume fractions of specific domain types and coexisting phases at the complete stress relief in two-phase samples. Some interrelations between these volume fractions are described using variants of the domain arrangement at changes in the composition and unit-cell parameters. The evaluated room-temperature volume fractions of the ferroelectric monoclinic (Cm symmetry) and tetragonal (P4mm symmetry) phases near the morphotropic phase boundary are in agreement with experimental data.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Taylor and Francis Ltd. |
| ID Code: | 122979 |
| Deposited On: | 01 Sep 2021 05:41 |
| Last Modified: | 01 Sep 2021 05:41 |
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