High-performance lead-free ferroelectric BZT–BCT and its application in energy fields

X Yan, M Zheng, X Gao, M Zhu, Y Hou - Journal of Materials Chemistry …, 2020 - pubs.rsc.org
High-performance lead-free piezoelectric materials have become a hot topic in the field of
advanced functional materials. In 2009, the (1− x) Ba (Zr0. 2Ti0. 8) O3–x (Ba0. 7Ca0. 3) TiO3 …

Ultrahigh energy storage density in Ba0. 85Ca0. 15Zr0. 1Ti0. 9O3-based lead-free ceramics by introducing a relaxor end-member

C Wang, H Li, Q Zhang, J Zhao, R Muhammad… - Journal of the European …, 2023 - Elsevier
Dielectric ceramics with relaxor characteristics are promising candidates to meet the
demand for capacitors in next-generation pulse devices. In this work, Ba 0.85 Ca 0.15 Zr 0.1 …

Phase transitions, energy storage performances and electrocaloric effect of the lead-free Ba0.85Ca0.15Zr0.10Ti0.90O3 ceramic relaxor

Z Hanani, D Mezzane, M Amjoud… - Journal of Materials …, 2019 - Springer
Abstract Lead-free Ba 0.85 Ca 0.15 Zr 0.10 Ti 0.90 O 3 (BCZT) ceramic exhibits excellent
dielectric, ferroelectric and piezoelectric properties at the morphotropic phase boundary …

Superior energy storage properties of (1-x) Ba0. 85Ca0. 15Zr0. 1Ti0. 9O3-xBi (Mg2/3Ta1/3) O3 lead-free ceramics

D Han, B Zhang, D Zhao, J Zhao, Y Liu, S Zheng… - Journal of Alloys and …, 2023 - Elsevier
In this work, lead-free (1-x) Ba 0.85 Ca 0.15 Zr 0.1 Ti 0.9 O 3-xBi (Mg 2/3 Ta 1/3) O 3 (BCZT-
BMTx) relaxor ferroelectrics (RFEs) were prepared via a traditional solid-state reaction. BMT …

Ultrahigh energy efficiency of (1-x) Ba0. 85Ca0. 15Zr0. 1Ti0. 9O3-xBi (Mg0. 5Sn0. 5) O3 lead-free ceramics

D Han, C Wang, Z Zeng, X Wei, P Wang, Q Liu… - Journal of Alloys and …, 2022 - Elsevier
Relaxor ferroelectrics (RFEs) with superior energy storage properties are the commonly
selected materials for energy storage capacitors. In this work, a relaxor end-member of Bi …

Effects of oxygen partial pressure on the electrical properties and phase transitions in (Ba,Ca)(Ti,Zr)O3 ceramics

W Cai, Q Zhang, C Zhou, R Gao, F Wang… - Journal of Materials …, 2020 - Springer
To enhance the piezoelectric responses, Ba 0.85 Ca 0.15 Zr 0.1 Ti 0.9 O 3 (BCZT) ceramics
were fabricated by a sol–gel method in various sintering atmospheres. The effects of oxygen …

Investigation of temperature and frequency dependence of the dielectric properties of multiferroic (La 0.8 Ca 0.2) 0.4 Bi 0.6 FeO 3 nanoparticles for energy storage …

A Bougoffa, EM Benali, A Benali, M Bejar, E Dhahri… - RSC …, 2022 - pubs.rsc.org
In this work we synthesized the multifunctional (La0. 8Ca0. 2) 0.4 Bi0. 6FeO3 material using
a sol–gel process. Structural and morphologic investigations reveal a Pnma perovskite …

Giant current performance in lead-free piezoelectrics stem from local structural heterogeneity

X Yan, M Zheng, X Gao, M Zhu, Y Hou - Acta Materialia, 2020 - Elsevier
Piezoelectric materials, which convert mechanical vibration energy into electric energy, are
essential for vibration energy harvester. Nevertheless, the piezoelectric energy harvesting …

Dielectric properties of BaTiO3 and Ba0. 95Ca0. 05TiO3 sintered in a reducing atmosphere

HI Hsiang, YH Yang, CY Huang, KH Yang - Ceramics International, 2023 - Elsevier
The dielectric materials utilized in high-performance barium titanate-based base-metal
electrode multilayer ceramic capacitors (BME MLCCs) must satisfy stringent criteria such as …

Enhanced ferroelectric and piezoelectric responses of (Ba0. 85Ca0. 15)(Zr0. 1Ti0. 9) O3 ceramics by Tm3+ amphoteric substitution

Q Li, Q Zhang, W Cai, C Zhou, R Gao, G Chen… - Materials Chemistry and …, 2020 - Elsevier
The influences of Tm 3+ doping on the microstructure and electric properties of (Ba 0.85 Ca
0.15)(Zr 0.1 Ti 0.9) O 3-x mol% Tm 2 O 3 (BCZT-x% Tm) ceramics fabricated by a solid-state …