Losses in ferroelectric materials
Ferroelectric materials are the best dielectric and piezoelectric materials known today. Since
the discovery of barium titanate in the 1940s, lead zirconate titanate ceramics in the 1950s …
the discovery of barium titanate in the 1940s, lead zirconate titanate ceramics in the 1950s …
Elastic properties and enhanced piezoelectric response at morphotropic phase boundaries
F Cordero - Materials, 2015 - mdpi.com
The search for improved piezoelectric materials is based on the morphotropic phase
boundaries (MPB) between ferroelectric phases with different crystal symmetry and …
boundaries (MPB) between ferroelectric phases with different crystal symmetry and …
Microstructure basis for strong piezoelectricity in Pb-free Ba (Zr0. 2Ti0. 8) O3-(Ba0. 7Ca0. 3) TiO3 ceramics
In this letter, we use transmission electron microscopy to study the microstructure feature of
recently reported Pb-free piezoceramic Ba (Zr 0.2 Ti 0.8) O 3-x (Ba 0.7 Ca 0.3) TiO 3 across …
recently reported Pb-free piezoceramic Ba (Zr 0.2 Ti 0.8) O 3-x (Ba 0.7 Ca 0.3) TiO 3 across …
Relationship between electromechanical properties and phase diagram in the Ba (Zr0. 2Ti0. 8) O3–x (Ba0. 7Ca0. 3) TiO3 lead-free piezoceramic
Abstract The Ba (Zr 0.2 Ti 0.8) O 3–x (Ba 0.7 Ca 0.3) TiO 3 system was synthesized in a wide
compositional range in order to study the relationship between its phase diagram and …
compositional range in order to study the relationship between its phase diagram and …
Triple-point-type morphotropic phase boundary based large piezoelectric Pb-free material—Ba (Ti0. 8Hf0. 2) O3-(Ba0. 7Ca0. 3) TiO3
We report a large piezoelectric Pb-free system—Ba (Ti 0.8 Hf 0.2) O 3-(Ba 0.7 Ca 0.3) TiO 3,
designed upon a triple-point morphotropic phase boundary (TMPB) idea. The system shows …
designed upon a triple-point morphotropic phase boundary (TMPB) idea. The system shows …
Accelerated search for BaTiO3-based piezoelectrics with vertical morphotropic phase boundary using Bayesian learning
An outstanding challenge in the nascent field of materials informatics is to incorporate
materials knowledge in a robust Bayesian approach to guide the discovery of new materials …
materials knowledge in a robust Bayesian approach to guide the discovery of new materials …
Thermodynamics of ferroelectric solid solutions with morphotropic phase boundaries
AA Heitmann, GA Rossetti Jr - Journal of the American Ceramic …, 2014 - Wiley Online Library
A thermodynamic analysis is presented for the diffusionless phase diagrams of ferroelectric
solid solutions that display a morphotropic phase boundary (MPB) separating adjacent …
solid solutions that display a morphotropic phase boundary (MPB) separating adjacent …
Criticality: concept to enhance the piezoelectric and electrocaloric properties of ferroelectrics
Compositional engineering with a focus on structural phase transitions has been considered
as the most important approach for enhancement of the functional properties of ferroelectric …
as the most important approach for enhancement of the functional properties of ferroelectric …
Composition-driven phase boundary and electrical properties in (Ba 0.94 Ca 0.06)(Ti 1–x M x) O 3 (M= Sn, Hf, Zr) lead-free ceramics
In this study, we systematically investigated the composition dependence of the phase
structure, microstructure, and electrical properties of (Ba0. 94Ca0. 06)(Ti1–xMx) O3 (M= Sn …
structure, microstructure, and electrical properties of (Ba0. 94Ca0. 06)(Ti1–xMx) O3 (M= Sn …
Remarkably strong piezoelectricity, rhombohedral-orthorhombic-tetragonal phase coexistence and domain structure of (K, Na)(Nb, Sb) O3–(Bi, Na) ZrO3–BaZrO3 …
C Zhou, J Zhang, W Yao, D Liu, G He - Journal of Alloys and Compounds, 2020 - Elsevier
Demands for lead-free piezoelectric ceramics increase rapidly owing to environmental
concerns. Strong piezoelectricity in (K, Na) Nb-based ceramics was usually realized by …
concerns. Strong piezoelectricity in (K, Na) Nb-based ceramics was usually realized by …