[HTML][HTML] BaTiO3-based piezoelectrics: Fundamentals, current status, and perspectives

M Acosta, N Novak, V Rojas, S Patel, R Vaish… - Applied Physics …, 2017 - pubs.aip.org
We present a critical review that encompasses the fundamentals and state-of-the-art
knowledge of barium titanate-based piezoelectrics. First, the essential crystallography …

[HTML][HTML] Ferroelectric polycrystals: Structural and microstructural levers for property-engineering via domain-wall dynamics

J Schultheiß, G Picht, J Wang, YA Genenko… - Progress In Materials …, 2023 - Elsevier
Ferroelectrics have a spontaneous electrical polarization that is arranged into domains and
can be reversed by an externally-applied field. This high versatility makes them useful in …

Lead-Free BiFeO3-BaTiO3 Ceramics with High Curie Temperature: Fine Compositional Tuning across the Phase Boundary for High Piezoelectric Charge and Strain …

B Xun, A Song, J Yu, Y Yin, JF Li… - ACS Applied Materials & …, 2021 - ACS Publications
BiFeO3-BaTiO3 is a promising high-temperature piezoelectric ceramic that possesses both
good electromechanical properties and a Curie temperature (TC). Here, the piezoelectric …

Relationship between electromechanical properties and phase diagram in the Ba (Zr0. 2Ti0. 8) O3–x (Ba0. 7Ca0. 3) TiO3 lead-free piezoceramic

M Acosta, N Novak, W Jo, J Rödel - Acta Materialia, 2014 - Elsevier
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 …

Origin of the large piezoelectric activity in (1− x) Ba (Z r 0.2 T i 0.8) O 3-x (B a 0.7 C a 0.3) Ti O 3 ceramics

M Acosta, N Khakpash, T Someya, N Novak, W Jo… - Physical Review B, 2015 - APS
The diffusionless pseudobinary phase diagram, monodomain properties, and free energy of
(1− x) Ba (Z r 0.2 T i 0.8) O 3-x (B a 0.7 C a 0.3) Ti O 3 are computed for comparison with …

Major contributor to the large piezoelectric response in (1− x) Ba (Zr0. 2Ti0. 8) O3− x (Ba0. 7Ca0. 3) TiO3 ceramics: domain wall motion

J Gao, X Hu, L Zhang, F Li, L Zhang, Y Wang… - Applied Physics …, 2014 - pubs.aip.org
The piezoelectric activity of lead-free Ba (Zr 0.2 Ti 0.8) O 3-x (Ba 0.7 Ca 0.3) TiO 3 (BZT-
xBCT) ceramics has been investigated as a function of composition by using Rayleigh …

Electrocaloric Effect in Ba(Zr,Ti)O3–(Ba,Ca)TiO3 Ceramics Measured Directly

M Sanlialp, VV Shvartsman, M Acosta… - Journal of the …, 2016 - Wiley Online Library
In this paper, we report on studies of the electrocaloric (EC) effect in lead‐free (1− x) Ba (Zr0.
2Ti0. 8) O3–x (Ba0. 7Ca0. 3) TiO3 ceramics with compositions range between 0.32≤ x≤ …

[HTML][HTML] Activation of ferroelectric implant ceramics by corona discharge poling

M Rotan, M Zhuk, J Glaum - Journal of the European Ceramic Society, 2020 - Elsevier
Ferroelectric ceramics show great potential for medical implants to augment bone
regeneration and improve implant fixation. To induce an overall piezoelectric response prior …

Mechanical constitutive behavior and exceptional blocking force of lead-free BZT-xBCT piezoceramics

DRJ Brandt, M Acosta, J Koruza… - Journal of Applied …, 2014 - pubs.aip.org
The free strain during unipolar electrical activation and the blocking stress are important
figures of merit for actuator applications. The lead-free (1− x) Ba (Zr 0.2 Ti 0.8) O 3− x (Ba 0.7 …

Anisotropic Properties of Epitaxial Ferroelectric Lead-Free 0.5[Ba(Ti0.8Zr0.2)O3]-0.5(Ba0.7Ca0.3)TiO3 Films

N Cucciniello, AR Mazza, P Roy, S Kunwar, D Zhang… - Materials, 2023 - mdpi.com
As the energy demand is expected to double over the next 30 years, there has been a major
initiative towards advancing the technology of both energy harvesting and storage for …