[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 …

Caloric effects in perovskite oxides

A Barman, S Kar‐Narayan… - Advanced Materials …, 2019 - Wiley Online Library
Perovskite oxides show an amazing diversity of electronic and magnetic properties along
with a myriad of structural variants and phase transitions. Large thermal changes may be …

Phase transitions and the piezoelectricity around morphotropic phase boundary in Ba (Zr0. 2Ti0. 8) O3-x (Ba0. 7Ca0. 3) TiO3 lead-free solid solution

L Zhang, M Zhang, L Wang, C Zhou, Z Zhang… - Applied Physics …, 2014 - pubs.aip.org
In this paper, two displacive phase transitions around the morphotropic phase boundary
(MPB) in Ba (Zr 0.2 Ti 0.8) O 3-x (Ba 0.7 Ca 0.3) TiO 3 (BZT-xBCT) ceramics were detected …

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 …

Strong electrocaloric effect in lead-free 0.65 Ba (Zr0. 2Ti0. 8) O3-0.35 (Ba0. 7Ca0. 3) TiO3 ceramics obtained by direct measurements

M Sanlialp, VV Shvartsman, M Acosta, B Dkhil… - Applied Physics …, 2015 - pubs.aip.org
Solid solutions of (1− x) Ba (Zr 0.2 Ti 0.8) O 3-x (Ba 0.7 Ca 0.3) TiO 3 promise to exhibit a
large electrocaloric effect (ECE), because their Curie temperature and a multiphase …

Optimized electrocaloric refrigeration capacity in lead-free (1− x) BaZr0. 2Ti0. 8O3-xBa0. 7Ca0. 3TiO3 ceramics

Y Bai, X Han, L Qiao - Applied Physics Letters, 2013 - pubs.aip.org
This paper demonstrates the impact of composition on the electrocaloric effect in lead-free
(1− x) BaZr 0.2 Ti 0.8 O 3− xBa 0.7 Ca 0.3 TiO 3 ceramics, especially on the morphotropic …

A systematic modification of the large electrocaloric effect within a broad temperature range in rare-earth doped BaTiO 3 ceramics

F Han, Y Bai, LJ Qiao, D Guo - Journal of Materials Chemistry C, 2016 - pubs.rsc.org
This paper presents a systematic exploration of modifying the electrocaloric effect (ECE) in
BaTiO3 ceramics by rare-earth substitution (Ba0. 94R0. 04TiO3, R= La, Ce, Nd, Sm, Eu, Gd …

A giant electrocaloric effect of a Pb 0.97 La 0.02 (Zr 0.75 Sn 0.18 Ti 0.07) O 3 antiferroelectric thick film at room temperature

Y Zhao, X Hao, Q Zhang - Journal of Materials Chemistry C, 2015 - pubs.rsc.org
A 2 μm-Pb0. 97La0. 02 (Zr0. 75Sn0. 18Ti0. 07) O3 (PLZST) antiferroelectric (AFE) thick film
with tetragonal structure was deposited on LaNiO3/Si (100) substrates via a sol–gel …

Enhanced electrocaloric effect in lead-free NBT-based ceramics

WP Cao, WL Li, D Xu, YF Hou, W Wang, WD Fei - Ceramics International, 2014 - Elsevier
Improvement of the electrocaloric (EC) effect was investigated in the lead-free (Na, Bi) TiO 3
(NBT)-based ferroelectric ceramics fabricated by a Sol–Gel flame synthetic approach. It is …

Nanoconfinement‐induced giant electrocaloric effect in ferroelectric polymer nanowire array integrated with aluminum oxide membrane to exhibit record cooling …

G Zhang, L Weng, Z Hu, Y Liu, R Bao… - Advanced …, 2019 - Wiley Online Library
The electrocaloric effect (ECE) offers a unique mechanism to realize environmentally
friendly and highly efficient solid‐state cooling that completely differs from the conventional …