Results 51 to 60 of about 684 (175)

Microwave-Assisted Fabrication and Characterization of Carbon Fiber-Sodium Bismuth Titanate Composites

Crystals
Lead-based piezoelectric materials cause many environmental problems, regardless of their exceptional performance. To overcome this issue, a lead-free piezoelectric composite material was developed by incorporating different percentages of carbon fiber ...
Fareeha Azam, Muhammad Asif Rafiq, Furqan Ahmed, Adnan Moqbool, Osama Fayyaz, Zerfishan Imran, Muhammad Salman Habib, Rana Abdul Shakoor   +7 more
doaj   +1 more source

Ceramics fillers enhancing effects on the dielectric properties of poly(vinylidene fluoride) matrix composites prepared by the torque rheometer method

Results in Physics, 2019
The dielectric properties of ceramic-polymer composites were investigated using different lead-free ferroelectrics, 0.50[Ba(Zr0.2Ti0.8)O3]–0.50(Ba0.7Ca0.3)TiO3 (BZT-BCT) and 0.96(K0.48Na0.52)(Nb0.95Sb0.05)O3–0.04Bi0.5(Na0.82K0.18)0.5ZrO3 (KNNS-BNKZ), as ...
S.A. Riquelme, Koduri Ramam, A.F. Jaramillo   +2 more
doaj   +1 more source

Large electrocaloric effect over a wide temperature span in lead-free bismuth sodium titanate-based relaxor ferroelectrics

Journal of Materiomics, 2023
For efficient solid-state refrigeration technologies based on electrocaloric effect (ECE), it is a great challenge of simultaneously obtaining a large adiabatic temperature change (ΔT) within a wide temperature span (Tspan) in lead-free ferroelectric ...
Xiaopo Su, Junjie Li, Yuxuan Hou, Ruowei Yin, Jianting Li, Shiqiang Qin, Yanjing Su, Lijie Qiao, Chuanbao Liu, Yang Bai   +9 more
doaj   +1 more source

New Bismuth Sodium Titanate Based Ceramics and Their Applications

, 2021
Ferroelectric materials are widely investigated due to their excellent properties and versatile applications. At present, the dominant materials are lead-containing materials, such as Pb (Zr,Ti)O3 solid solutions. However, the use of lead gives rise to environmental concerns, which is the driving force for the development of alternative lead-free ...
Hengchang Nie, Genshui Wang, Xianlin Dong   +2 more
openaire   +2 more sources

Recent Development in Solar‐to‐Hydrogen Conversion Systems

WIREs Energy and Environment, Volume 15, Issue 3, September 2026.
This review compares three solar‐driven hydrogen production methods, photocatalysis (PC), photoelectrochemical cells (PEC), and photovoltaic–electrochemical (PV–EC) systems by examining their mechanisms, materials, stability, and efficiency. Nanocrystal‐based PC catalysts achieved the highest quantum efficiency (94%), while PV–EC and Si nanowire PEC ...
Rabia Zafar Ali, Martin D. Lennox, Milica Vasiljevic, Muhammad Imran Asghar   +3 more
wiley   +1 more source

Electric Field‐Induced Phase Transition Behaviour in Sodium Bismuth Titanate‐Based Ceramics

Advanced Energy & Sustainability Research
Lead‐free sodium bismuth titanate (Na0.5Bi0.5TiO3, NBT)‐based ceramics have emerged as leading candidates to replace Pb‐based piezoelectric materials due to their promising ferroelectric and piezoelectric performance. Their functional performance remains
Hareem Zubairi, Ge Wang
doaj   +1 more source

Designing Polymer Nanocomposites for X‐Ray Shielding: Mechanisms, Architectures, and Scalable Processing

Advanced Engineering Materials, Volume 28, Issue 15, 5 August 2026.
This review highlights advances in lightweight, lead‐free polymer nanocomposites for diagnostic X‐ray shielding. By linking filler chemistry, dispersion, architecture, and photon interaction mechanisms, it establishes structure–performance relationships guiding material design.
Aklilu G. Messele, Hossein Ipakchi, Tizazu H. Mekonnen   +2 more
wiley   +1 more source

Biodegradable, Biologically Safe Nanogenerators for Self‐Powered Bio‐Integrated Systems

Small Structures, Volume 7, Issue 8, August 2026.
Biodegradable TENGs, PENGs, and hybrid systems convert biomechanical motions into electrical signals while safely degrading after use. This review highlights their working mechanisms, biodegradable material platforms, and wearable and implantable bio‐integrated applications, including motion and respiration monitoring, biosignal detection, electrical ...
Sungkeun Han, Hye‐Min Lee, Won Bae Han, Venkata Ramesh Naganaboina, Hanjun Ryu, Suk-Won Hwang   +5 more
wiley   +1 more source

Research Progress and Prospects of High‐Entropy Oxide Ceramic for Dielectric Energy Storage

National Materials, Volume 1, Issue 1, Page 33-47, July 2026.
This review highlights the high‐entropy strategy in high‐entropy oxide ceramics for dielectric energy storage, emphasizing enhanced breakdown strength, polarization, and thermal stability. Key material systems, computational tools, and remaining challenges in scalable fabrication are discussed, along with future research directions. ABSTRACT Dielectric
Zhongqian Lv, Yan Song, Minhao Zhang, Yuan‐Hua Lin   +3 more
wiley   +1 more source

3D‐Printed Piezoionic/Bioelectronic Hydrogel for Electro‐Metabolic Regulation of Osteogenic Differentiation

Advanced Healthcare Materials, Volume 15, Issue 24, 25 June 2026.
A 3D‐printed piezoionic GPMx hydrogel enables stable electromechanical signal generation under mechanical loading, exhibiting long‐term durability and low fatigue. As a bioactive patch, it restores endogenous bioelectricity to stimulate osteogenesis via Ca2+ influx and mitochondrial activation, while simultaneously enabling label‐free alkaline ...
Sayan Deb Dutta, Myoung Joon Jeon, Youjin Seol, Ki‐Taek Lim   +3 more
wiley   +1 more source