Results 81 to 90 of about 126,316 (253)

Ferroelectric properties of Bi0.5(Na0.8K0.2)0.5TiO3 ceramics [PDF]

, 2014
Different processing conditions and the effect of secondary phases on ferroelectric properties of Bi0.5(Na0.8K0.2)0.5TiO3 (BNKT) are studied. Ceramic powders are prepared by solid state reaction and different sintering temperatures (temperatures between ...
Camargo, Javier Eduardo, Castro, Miriam Susana, Ramajo, Leandro Alfredo, Rubio Marcos, Fernando   +3 more
core   +1 more source

Temperature‐dependent electromechanical response of BaTi1₋xSnxO3: Analysis of reversible and irreversible contributions

Journal of the American Ceramic Society, Volume 109, Issue 1, January 2026.
Abstract The increasing demand for efficient, multifunctional energy conversion systems has sparked interest in light‐active polar perovskite oxides. These materials offer structural flexibility and chemical tunability, making them promising candidates for multimodal energy harvesting.
Viktoria Kraft, Udo R Eckstein, Michel Kuhfuß, Neamul H Khansur, Frederick P Marlton, Bryce Mullens, Alexander Martin, Koichi Hayashi, Kyle G Webber   +8 more
wiley   +1 more source

Some studies of lead free KNN LN ceramics [PDF]

, 2011
Investigations in the development of lead-free (1 − x)(K0.5Na0.5)NbO3-xLiNbO3 piezoelectric ceramics have recently claimed comparable properties to the lead-based ferroelectric perovskites.
Bhattacharyya, Mallika
core  

Lead‐Free (K0.5Na0.5)NbO3 Unmodified Piezoceramics: A Reduction in the Energetic Budget of Solid State Synthesis and Sintering

Chemistry–Methods, Volume 5, Issue 12, November 2025.
The temperature of the solid‐state synthesis of pure (K0.5Na0.5)NbO3 piezo‐composition is reduced by using the niobium pentoxide reactant in the mixture of reagents after attrition milling for only 3h: a majoritarian (57 wt.% of the total Nb2O5 content) orthorhombic polymorph Pbam.
Maria Dore, José F. Bartolomé, Sonia Lopez‐Esteban, Marzia Mureddu, Costantino Cau, Stefano Enzo, Álvaro García, Sebastiano Garroni, Lorena Pardo   +8 more
wiley   +1 more source

Influence of Yttrium Dopant on the Structure and Electrical Conductivity of Potassium Sodium Niobate Thin Films [PDF]

Materials Research, 2016
KNN thin films with diverse yttrium concentration (mol % = 0, 0.1, 0.3, 0.5, 0.7 and 0.9) were fabricated using sol-gel spin coating technique. Doped KNN revealed that Y3+ was successfully doped into the ABO3 perovskite lattice without changing the phase
Maziati Akmal Mohd Hatta, Mohd Warikh Abd Rashid, Umar Al-Amani Haji Azlan, Nurul Azuwa Azmi, Mohd Asyadi Azam, Toshihiro Moriga   +5 more
doaj   +1 more source

Research Progress of Microfluidics in Radiopharmaceutical Quality Control

iRADIOLOGY, Volume 3, Issue 6, Page 401-420, December 2025.
A complete PET imaging process includes five key steps: nuclide production, PET tracer synthesis, packaging, quality control and PET scanning. Taking the most classical synthesis process of [18F ]‐FDG tracer as an example, its synthesis process includes several core steps, such as: (1) the synthesis of [18F ]‐FDG Tracer, (2) the synthesis of [18F ]‐FDG
Zhenhao Dong, Qinggang He, Dilong Mao, Jing Wang, Hong Zhang   +4 more
wiley   +1 more source

Progress in Zinc Oxide‐Based Polymer Nanocomposites for Advancing Piezoelectric Energy Harvesting and Self‐Powered Devices

Macromolecular Materials and Engineering, Volume 310, Issue 12, December 2025.
This review highlights synthesis routes, performance optimisation, and applications of fluoropolymers/ZnO nanocomposites, offering valuable insights into piezoelectricity optimisation of materials that empower next‐generation sensors, actuators, and sustainable energy solutions. ABSTRACT Piezoelectric materials convert mechanical energy into electrical
Daphne Mary John, Pratheep Kumar Annamalai, Alireza Hosseinmardi, Sreekanth Kaduvallil Mahadeva, Kothandaraman Ramanujam, Raghuram Chetty, Rajkumar Patel, Ramanujam Brahmadesam Thoopul Srinivasa Raghava, Ashok Kumar Nanjundan   +8 more
wiley   +1 more source

Microfabrication of High-Aspect Ratio KNN Lead-Free Piezoceramic Pillar Arrays by Aqueous Gelcasting

Ceramics, 2020
The present paper reported a novel approach for the fabrication of a high-aspect ratio (K, Na)NbO3 (KNN) piezoelectric micropillar array via epoxy gelcasting, which involves the in situ consolidation of aqueous KNN suspensions with added hydantoin epoxy ...
Cailing Wu, Benke Li, Xiaofeng Wang, Feng Ji, Dou Zhang, Guoping Wang, Hongqing Wang, Rui Xie   +7 more
doaj   +1 more source

Influence of carbon and fluorine on potassium niobate anode material for sodium-ion battery applications

Sustainable Energy & Fuels
Fluorine-doped carbon-coated potassium niobate enhances sodium-ion battery performance, achieving high capacity (173 mA h g−1), improved rate capability, and 90% retention after 200 cycles, attributed to improved conductivity and Na+ diffusion.
Y. B. Rao, C. A. Ohlin
semanticscholar   +1 more source

Recent Progress in CO2 Conversion: An Overview of Catalytic Strategies for Sustainable Fuel and Chemical Synthesis

SmartMat, Volume 6, Issue 6, December 2025.
This review systematically outlines recent advances in the catalytic strategies for converting CO₂ into valuable products, including photocatalysis, electrocatalysis, CO2 hydrogenation, photothermal catalysis, non‐thermal plasma, and biocatalytic processes.
An Zhang, Yanming Cai, Liang Guo, Chao Wang, Qingbo Wa, Yanping Xu, Jian Zhou, Hongshuang Fan, Ziyun Li, Xinyue Long, Jiabei Tang, Zijian Li, Li Zhai, Zhenyu Shi, Wei Zhai, Yuhui Tian, Shuai Bi, Hao Wei, Mingliang Hu, Yang Xu, Yiran Zhang, Yu Zhang, Ruiying Ding, Junjun Li, Shuangqun Chen, Jianfeng Huang, Zhanxi Fan, Xingchen Jiao, Guigao Liu, Haiqing Wang, Haifeng Tian, Jingyu Pang, Kuncheng Zhang, Weisong Liu, Huijuan Cui, Lingling Zhang, Xiaofu Sun, Jianling Zhang, Dan Ren, Sheng Zhang, Lu Qiao, Zhe Weng, Hongmei Li, Min Liu, Miao Zhong, Lei Wang, Jun Gu, Hao Bin Wu, Bolong Huang, Weijia Zhou, Chuan Xia, Min‐Rui Gao, Changbin Zhang, Rong Cao, Wei Chen, Yuan‐Biao Huang, Yongye Liang, Ya‐Qian Lan, Guoxiong Wang, Baoyu Xia, Yujie Xiong, Xinbin Ma, Tongbu Lu, Jinhua Ye, Yi Xie, Buxing Han, Jiawei Liu, Zhicheng Zhang, Hua Zhang   +68 more
wiley   +1 more source