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 …

Enhanced piezoelectric response of (Ba, Ca)(Ti, Zr) O3 ceramics by super large grain size and construction of phase boundary

Q Zhang, W Cai, Q Li, R Gao, G Chen, X Deng… - Journal of Alloys and …, 2019 - Elsevier
Abstract Ba 0.85 Ca 0.15 Zr 0.1 Ti 0.9 O 3 (BCZT) ceramics with super large grain size (> 50
μm) have been successfully fabricated by sol-gel method. The effects of pH value of …

Ultrahigh energy harvesting performance in lead-free piezocomposites with intragranular structure

X Yan, M Zheng, X Gao, L Li, J Rödel, M Zhu, Y Hou - Acta Materialia, 2022 - Elsevier
Piezoelectric energy harvesting is a promising means to realize self-powered
microelectronic devices. However, the low power density severely restricts its development …

Enhancing the dielectric, electrocaloric and energy storage properties of lead-free Ba0. 85Ca0. 15Zr0. 1Ti0. 9O3 ceramics prepared via sol-gel process

H Mezzourh, S Belkhadir, D Mezzane, M Amjoud… - Physica B: Condensed …, 2021 - Elsevier
Abstract The Ba 0.85 Ca 0.15 Zr 0.1 Ti 0.9 O 3 (BCZT) ceramics were successfully prepared
by the sol-gel process and sintered at 1420° C. The effect of sintering times (2, 4 and 6 h) on …

Enhancement of dielectric properties of lead-free BCZT ferroelectric ceramics by grain size engineering

Z Hanani, D Mezzane, M Amjoud, S Fourcade… - Superlattices and …, 2019 - Elsevier
Abstract Lead-free Ba 0.85 Ca 0.15 Ti 0.9 Zr 0.1 O 3 (BCZT) ceramics had attracted much
attention for the fabrication of microelectronic devices by virtue of their excellent dielectric …

Structural, dielectric, and ferroelectric properties of lead-free BCZT ceramics elaborated by low-temperature hydrothermal processing

Z Hanani, D Mezzane, M Amjoud, Y Gagou… - Journal of Materials …, 2020 - Springer
Abstract Lead-free Ba 0.85 Ca 0.15 Zr 0.10 Ti 0.90 O 3 (BCZT) ceramics have demonstrated
excellent dielectric, ferroelectric, and piezoelectric properties in comparison to lead-based …

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 …

Enhanced energy storage properties in lead-free BaTiO 3@ Na 0.5 K 0.5 NbO 3 nano-ceramics with nanodomains via a core–shell structural design

Q **, L Zhao, B Cui, J Wang, H Ma, R Zhang… - Journal of Materials …, 2020 - pubs.rsc.org
Achieving lead-free bulk ceramics with high energy storage densities has been a long-term
goal pursued by researchers. Using a core–shell structural strategy, we achieved high …

A compounding strategy to boost the transduction coefficient in KNN-based piezoelectric composite ceramics for ultrasonic energy harvesting

Q Wang, R Li, H Xue, X Sun, L Jiang… - Journal of Materials …, 2023 - pubs.rsc.org
Piezoelectric ultrasonic energy harvesters (PUEHs), an emerging technology that utilizes
ultrasonic excitation, have been integrated into various wireless power systems for …

Synergetic effect of rare-earths do** on the microstructural and electrical properties of Sr and Ca co-doped BaTiO3 nanoparticles

A Jain, AK Panwar - Ceramics International, 2020 - Elsevier
Single-phase BST-BCT ceramic doped with different rare-earth materials (La, Gd, Dy, and
Yb) have been prepared using a modified mechano-chemical activation technique. The …