Results 141 to 150 of about 4,429 (294)

Triple‐Mode Ferroelectric Thin‐Film Transistor for Hybrid Electrical–Optical Reservoir Computing

Advanced Science, EarlyView.
A triple‐mode ferroelectric thin‐film transistor is developed by integrating Si3N4/HZO/IGZO layers to realize three independent memory modes: electric long‐term, electric short‐term, and optical short‐term. This single‐device architecture functions as both a reservoir and readout layer, achieving 92.43% MNIST accuracy. It offers a fully hardware‐based,
Hyeonho Lee, Seungjun Lee, Tae‐Hyeon Kim, Yonghee Jeong, Gwangmin An, Minsu Ko, Junsu Yu, Heung Soo Kim, Yang Chai, Sungjun Kim   +9 more
wiley   +1 more source

A novel lead‐free relaxor with endotaxial nanostructures for capacitive energy storage

SusMat
Dielectric capacitors with a fast charging/discharging rate, high power density, and long‐term stability are essential components in modern electrical devices.
Xiaoyan Dong, Tengfei Hu, Xiaojun Wu, Jie Yin, Zhengqian Fu, Jiagang Wu   +5 more
doaj   +1 more source

Enhanced Energy Storage Performance in Na_0.5Bi_0.5TiO₃-Based Relaxor Ferroelectric Ceramics via Compositional Tailoring. [PDF]

Materials (Basel), 2022
Jiang Y, Niu X, Liang W, Jian X, Shi H, Li F, Zhang Y, Wang T, Gong W, Zhao X, Yao Y, Tao T, Liang B, Lu S.   +13 more
europepmc   +1 more source

Epitaxial Bi2O2Se/Bi2O5Se Thin Films: Revealing Electric‐Field‐Driven Oxidation and Resistive Switching Dynamics for Advanced Memory Devices

Advanced Science, EarlyView.
Bi2O2Se/Bi2O5Se bilayer heterostructure exhibits reversible structural evolution during device operation, directly revealed by atomic‐scale investigation. Oxygen vacancy redistribution governs filament formation and rupture, enabling stable multilevel resistive switching and synaptic‐like behaviors.
Yen‐Jung Chen, Yong‐Jyun Wang, Zi‐Qin Hong, Chien‐Hua Wang, Yi‐Ning Wang, Jia De Cheng, Chun‐Wei Huang, Ying‐Hao Chu, Wen‐Wei Wu   +8 more
wiley   +1 more source

Enhanced Energy Storage Performance and Efficiency in Bi_0.5(Na_0.8K_0.2)_0.5TiO₃-Bi_0.2Sr_0.7TiO₃ Relaxor Ferroelectric Ceramics via Domain Engineering. [PDF]

Materials (Basel), 2023
Pattipaka S, Choi H, Lim Y, Park KI, Chung K, Hwang GT.   +5 more
europepmc   +1 more source

Stress‐to‐Light Conversion in an Earth‐Abundant Oxide Semiconductor

Advanced Science, EarlyView.
Stress‐to‐light conversion in solids represents a unique photonic functionality, yet it has never been realized in a chemically simple and sustainable material. Here, we show that sustainable semiconductor ZnO exhibits strong near‐infrared (NIR) luminescence under elastic stress when defect‐engineered to stabilize the p‐type state.
Tomoki Uchiyama, Koki Otonari, Reona Omori, Guangfa Yang, Eiji Nishibori, Ying Chen, Xu‐Guang Zheng, Chao‐Nan Xu   +7 more
wiley   +1 more source

Relaxor-Ferroelectric Films for Dielectric Tunable Applications: Effect of Film Thickness and Applied Electric Field. [PDF]

Materials (Basel), 2021
Nguyen MD, Tran DT, Dang HT, Nguyen CTQ, Rijnders G, Vu HN.   +5 more
europepmc   +1 more source

Large Electrocaloric Effect in Relaxor Ferroelectric and Antiferroelectric Lanthanum Doped Lead Zirconate Titanate Ceramics

, 2017
Both relaxor ferroelectric and antiferroelectric materials can individually demonstrate large electrocaloric effects (ECE). However, in order to further enhance the ECE it is crucial to find a material system, which can exhibit simultaneously both ...
Sheng-Guo Lu, Wolfgang Kleemann, Biao Lu, Xingsen Gao, Peilian Li, Zhenhua Tang, Yingbang Yao   +6 more
core   +1 more source

Asymmetric Electrostrain/Electrobending in Piezoelectric Ceramics: Role of Defect Dipoles or Oxygen Vacancies

Advanced Science, EarlyView.
Defect‐configurational origins of the asymmetric apparent electrostrain are revealed in different piezoelectric ceramics via atomic‐scale visualization of defect configurations. Migration of oxygen vacancies leads to the electrobending effect in N2‐sintered BaTiO3, while defect dipoles in Ba0.99TiO2.99 generate true asymmetric electrostrain without ...
Jie Wang, Geng Huangfu, Hongjie Zhang, Tiannan Yang, Zhenhua Ma, Jingsheng Chen, Yun Liu, Yiping Guo   +7 more
wiley   +1 more source

Enhanced Energy Storage Properties of La-Doped Sr_0.6Ba_0.4Nb₂O₆ Relaxor Ferroelectric Ceramics Prepared by Spark Plasma Sintering. [PDF]

Materials (Basel), 2022
Zhao Y, Liu X, Zhang X, Du H.
europepmc   +1 more source