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Giant electrostrictive strain in (Bi<sub>0.5</sub>Na<sub>0.5</sub>)TiO<sub>3</sub>–NaNbO<sub>3</sub> lead-free relaxor antiferroelectrics featuring temperature and frequency stability

He Qi, Ruzhong Zuo

2020Journal of Materials Chemistry A71 citationsDOI

Abstract

A new lead-free 0.76BNT-0.24NN relaxor AFE ceramic exhibits linear <italic>P</italic>–<italic>E</italic>, <italic>S</italic>–<italic>P</italic><sup>2</sup> and <italic>S</italic>–<italic>E</italic><sup>2</sup> responses and giant purely-electrostrictive strains of ∼0.20% within ˂10% in a wide temperature range owing to the existence of anti-polar nanoregions (APNRs).

Topics & Concepts

ElectrostrictionMaterials scienceCeramicPhysicsPiezoelectricityComposite materialFerroelectric and Piezoelectric MaterialsMultiferroics and related materialsDielectric properties of ceramics
Giant electrostrictive strain in (Bi<sub>0.5</sub>Na<sub>0.5</sub>)TiO<sub>3</sub>–NaNbO<sub>3</sub> lead-free relaxor antiferroelectrics featuring temperature and frequency stability | Litcius