Results 11 to 20 of about 344 (153)

Analysis of the Phase Transitions in BNT-BT Lead-Free Ceramics Around Morphotropic Phase Boundary by Mechanical and Dielectric Spectroscopies

Archives of Metallurgy and Materials, 2016
In this work, the syntheses and characterization by mechanical and dielectric spectroscopies of (1-x) Bi0.5Na0.5TiO3-xBaTiO3 (BNT-100xBT), with x = 0.05, 0.06 and 0.07, lead-free piezoelectric ceramics is reported.
Silva P.S., Diaz J.C.C.A., Florêncio O., Venet M., M’Peko J.C.   +4 more
doaj   +3 more sources

Sinterability, Microstructural Evolution, and Dielectric Performance of Bismuth Sodium Titanate (Bi0.5Na0.5TiO3) Lead-Free Ferroelectric Ceramics [PDF]

Archives of Metallurgy and Materials
In this study, lead-free bismuth sodium titanate (BNT; Bi0.5Na0.5TiO3) powder was synthesized using wet precipitation. The sintering behavior and dielectric properties of the BNT ceramics were investigated in terms of the sintering temperature.
Islam Takiul, Sanghaw Lee, Haejin Hwang
doaj   +3 more sources

Self‐Powered Clamp‐On Pyroelectric Tactile Sensor for Intelligent Recognition of Film Materials

SusMat
Tactile sensors are a potential solution for material identification. However, current potential tactile sensors for material identification are pressed, expensive, and applications‐confined. Here we report a clamped‐on pyroelectric tactile sensor on the
Shengjie Yin, Hongyu Li, Yun Ji, Yuke Li, Chris R. Bowen, Ya Yang   +5 more
doaj   +2 more sources

Improved photocatalytic degradation of Rhodamine B dye using Bi0.5Na0.5TiO3 ferroelectric nanoparticles: Optimization of pH and poling

Chemistry of Inorganic Materials
We report the optimization of the photocatalytic parameters (pH and corona-poling) for Rhodamine B (RhB) dye degradation over Bi0.5Na0.5TiO3 (BNT) nanoparticles under UV–vis light.
Vaishali Gupta, Satyendra Singh
doaj   +2 more sources

Enhanced Ferroelectric and Dielectric Properties in Bi0.5Na0.5TiO3 Doped with BaTiO3 (BNT-BT) Nanoparticles for High Energy Storage Device

Indian Journal of Engineering and Materials Sciences, 2023
667-670Nanoparticles of lead-free Bi0.5Na0.5TiO3 doped with BaTiO3 (BNT-BT) have been fabricated by the auto-combustion sol-gel method. A structural and morphological analysis of the developed material has been performed by using XRD and FESEM. Also, a
Kumari, Manju, Dhariwal, Neeraj, Thakur, O P, Yadav, Preety, Kumar, Vinod   +4 more
openaire   +2 more sources

Diffusosphere engineering in BNT-based multilayer heterogeneous film capacitors for high performance

Journal of Materiomics
Combining layers with high breakdown resistance and high polarization is a promising approach for designing dielectric capacitors with high energy density and efficiency.
Jin Qian, Panpan Lv, Guanglong Ge, Siming Wang, Jinfeng Lin, Fei Yan, Bo Shen, Zhenxiang Cheng, Jiwei Zhai   +8 more
doaj   +2 more sources

High-Entropy Ferroelectric-Ferroelastic Hybrid for Ultrahigh and Temperature-Insensitive Dielectric Energy Storage. [PDF]

Adv Sci (Weinh)
A high‐entropy ferroelectric‐ferroelastic hybrid perovskite material is successfully developed, in which a unique hybrid architecture, ferroelastic microdomainsembedded with randomly dispersed polar nanoregions, endows the ceramic with polar heterogeneity as well as lowered polarization hysteresis, delayed saturation polarization and enhanced breakdown
Zhou X, Qi H, Su Y, Huang Z, Zhang Y, Luo H, Zhang D.   +6 more
europepmc   +2 more sources

Insight into the Structure Evolution and Performance Optimization of Bi_0.5Na_0.5TiO₃-Based Ceramics for Energy Storage Application. [PDF]

Materials (Basel)
The excellent temperature stability and high saturation polarization of Bi0.5Na0.5TiO3 (BNT) make it a promising candidate for energy storage capacitors. However, its disadvantages, such as low breakdown strength, high remnant polarization, and a complex
Wang Q, Zhang L, Li R, Yang H, Wang C, Xiong Z, Liu C.   +6 more
europepmc   +2 more sources

Effect of the incorporation of BiFeO3 on the structural, electrical and magnetic properties of the lead-free Bi0.5Na0.5TiO3 [PDF]

, 2021
Powders of the system (1–x)Bi0.5Na0.5TiO3–xBiFeO3 (x = 0, 0.02, 0.08, 0.10) are synthesized by the combustion reaction method. The crystal structure and the particle size of Bi0.5Na0.5TiO3 are modified by the incorporation of BiFeO3, as can be seen from ...
Guerrero, Alejandra Isabel, Zuñiga-Mera, Pablo W, Villaquirán Raigoza, Claudia Fernanda, Gaona Jurado, Sonia, García García, José Eduardo   +4 more
core   +1 more source

Interfacial-Polarization Engineering in BNT-Based Bulk Ceramics for Ultrahigh Energy-Storage Density. [PDF]

Adv Sci (Weinh)
In this work, we addressed the key issuses of physics, characterization, and application related to interfacial polarization, establishing which as the most critical determinant of dielectric ceramic energy‐storage performance (ESP). Superior ESP of an ultrahigh recoverable energy‐storage density of 12.2 J/cm3 and a high efficient of 88.8% were ...
Cao W, Li L, Chen K, Huang X, Li F, Wang C, Zheng J, Hou X, Cheng Z.   +8 more
europepmc   +2 more sources