Results 41 to 50 of about 15,698 (144)

Structural and microstructural properties of systems based on bi0.5na0.5tio3

open access: yes, 2020
Perovskites based on bismuth sodium titanates, Bi0.5Na0.5TiO3 (BNT), are incorporated into lead-free piezoelectric materials. Although BNT was discovered five decades ago, many aspects such as the structural complexity and the modifications produced when
Revelo Castro, Marcela   +2 more
core   +2 more sources

P-E hysteresis loop going slim in Ba0.3Sr0.7TiO3-modified Bi0.5Na0.5TiO3 ceramics for energy storage applications

open access: yesJournal of Advanced Ceramics, 2020
(Ba0.3Sr0.7)x(Bi0.5Na0.5)1-x TiO3 (BSxBNT, x = 0.3–V0.8) ceramics were prepared to investigate their structure, dielectric and ferroelectric properties.
Dongxu Li   +7 more
doaj   +1 more source

Elucidating the capacitive behavior of Gd-doped BNT-BKT-BT electrodes in All-in-One supercapacitor devices

open access: yes, 2023
Bi0.5Na0.5TiO3-Bi0.5K0.5TiO3-BaTiO3 (BNT-BKT-BT) ceramics having various amounts of Gd-ions were synthesized via the solid-state reaction method. The electrochemical performance analysis of the Gd-doped BNT-BKT-BT ceramics has shown that the doping ...
Erdem, Emre   +16 more
core   +1 more source

Rational Co-Doping of SrZrO3 and BaTiO3 in Bi0.5Na0.5TiO3 for Extraordinary Energy Storage and Electrocaloric Performances

open access: yes, 2022
The modification of the microstructure and electrical behaviors, through rational designing the composition of co-dopants (SrZrO3 and BaTiO3) in a modified Bi0.5Na0.5TiO3-based ternary system, has been systematically investigated.
Ying Hou   +9 more
core   +1 more source

Piezoelectric Materials in Medical Ultrasound: A Comprehensive Review From Fundamentals to Translational Prospects

open access: yesInformation &Functional Materials, Volume 3, Issue 3, Page 268-295, September 2026.
Piezoelectric materials are reviewed as active platforms for medical ultrasound, bridging electromechanical fundamentals, transducer architectures, and biomedical applications. Material–device co‐design is emphasized as the key to high‐performance diagnosis, therapy, monitoring, wearable ultrasound, and emerging ultrasound‐responsive functions ...
Jianan Li, Qing Wan
wiley   +1 more source

Influence of hydrothermal synthesis conditions on BNT-based piezoceramics

open access: yes, 2011
International audienceThe Bi0.5Na0.5TiO3 perovskite (BNT) is a very promising lead-free candidate for piezoelectric applications. Nevertheless a low reproducibility is commonly reported for the solid state synthesized BNT.
Champagne, Philippe   +11 more
core   +1 more source

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

open access: yesNational 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   +3 more
wiley   +1 more source

A new poling protocol for enhanced piezoelectricity in Bi0.5Na0.5TiO3

open access: yes, 2022
In this work, a way to improve the piezoelectric properties of Bi0.5Na0.5TiO3 (BNT) is demonstrated by introducing a new poling protocol. A customized corona poling unit with a low temperature (77 K) sample stage is suggested.
Kumari, Mukesh, Chatterjee, Ratnamala
core  

Tuning the Phase Structure and Electrical Properties of BNKT‐Based Ceramics via Li+ Doping

open access: yesAdvanced Materials Interfaces, Volume 13, Issue 6, 16 March 2026.
Li+‐doped Bi0.5[Na0.84‐xK0.16Lix]0.5TiO3 lead‐free piezoelectric ceramics are fabricated. The optimized composition delivers a high piezoelectric coefficient d33 and elevated depolarization temperature Td. It also shows large electrostrain and high Curie temperature, greatly extending the working temperature range for BNT‐based piezoelectric ...
Guangzhi Dong   +9 more
wiley   +1 more source

A new insight into structural complexity in ferroelectric ceramics

open access: yesJournal of Advanced Ceramics, 2017
The structure of the ferroelectrics has been widely studied in order to pursuing the origin of high electromechanical responses. However, some experiments on structure of ferroelectrics have yielded different results.
Weidong Zeng   +5 more
doaj   +1 more source

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