Results 71 to 80 of about 27,906 (302)

Sintering densification driven by orientation fluctuation in textured BaTiO3 ceramics with abnormal comprehensive ferroelectric properties

Journal of Advanced Ceramics
A new sintering densification method without the aid of a liquid phase is proposed for preparing [001]c-textured BaTiO3 ceramics with high ferroelectric performance.
Fangzhe Li, Huijiadai Luo, Lu Cao, Dechang Jia, Yu Zhou, Hua Ke   +5 more
doaj   +1 more source

Photonics of Topological Magnetic Textures

Advanced Optical Materials, EarlyView.
Localized noncollinear magetic textures imprint their geometry and topology onto traversing photonic fields endowing them with orbital angular‐momentum, chirality, and magnetoelectric densities. Abstract Topological textures in magnetically ordered materials are an important case studies for fundamental research with promising applications in data ...
Vakhtang Jandieri, Ramaz Khomeriki, Daniel Erni, Nicolas Tsagareli, Qian Li, Douglas H. Werner, Jamal Berakdar   +6 more
wiley   +1 more source

INNOVATIVE HEAT FLUX SENSOR [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2017
Subject of Study.We present a method for heat flux measuring with the use of polarization properties of ferroelectric ceramics. Heat flux innovative sensor is developed on the basis of the proposed method.
G. N. Lukyanov, I. S. Kowalskiy, S. L. Makarov, T. Seeger   +3 more
doaj   +1 more source

Magnetically Responsive Piezoelectric Nanocapacitors Enhance Neural Recovery Following Spinal Cord Injury via Targeted Spinal Magnetic Stimulation

Advanced Science, EarlyView.
This study presents a novel “in vivo–in vitro” therapeutic strategy for spinal cord injury by leveraging magnetically responsive piezoelectric nanomaterials. These nanomaterials enable targeted delivery of localized electrical stimulation at the injury site through noninvasive external magnetic actuation, thereby promoting axonal regeneration and ...
Zhihang Xiao, Tingting Li, Lechi Zhang, Chunya Xia, Zelin Su, Xuyan Ren, Yingjie Fan, Zerui Wu, Yaobo Liu, Min Su   +9 more
wiley   +1 more source

Electrically reversible cracks in an intermetallic film controlled by an electric field

Nature Communications, 2018
Electric-field-induced cracks are generally detrimental to functionality of ferroelectric ceramics. Liu et al. use an intermetallic alloy and ferroelectric oxide junction to mediate the reversible formation of cracks at nanoscales, resulting in colossal ...
Z. Q. Liu, J. H. Liu, M. D. Biegalski, J.-M. Hu, S. L. Shang, Y. Ji, J. M. Wang, S. L. Hsu, A. T. Wong, M. J. Cordill, B. Gludovatz, C. Marker, H. Yan, Z. X. Feng, L. You, M. W. Lin, T. Z. Ward, Z. K. Liu, C. B. Jiang, L. Q. Chen, R. O. Ritchie, H. M. Christen, R. Ramesh   +22 more
doaj   +1 more source

The dielectric and ferroelectric properties of (Ba0.5Sr0.5)TiO3-doped (Bi0.5Na0.5)TiO3 lead-free ceramics [PDF]

Journal of Advanced Dielectrics, 2017
This work prepares (Ba0.5Sr0.5)TiO3 (BST)-doped (Bi1∕2Na1∕2)TiO3 (NBT) lead free ceramics through conventional solid reaction method and analyzes the doping effect of BST on phases, microstructure, dielectric and ferroelectric properties.
Guoliang Xue, Qiankun Wu, Gang Li, Huaizhou Lin, Gang Liu, Yi Chen, Xiaokui Liu, Yan Yan   +7 more
doaj   +1 more source

Dual Bipolar Resistive Switching in Wafer‐Scalable 2D Perovskite Oxide Nanosheets‐Based Memristor

Advanced Science, EarlyView.
A wafer‐scalable memristor based on 2D Sr2Nb3O₁₀ perovskite oxide nanosheets exhibits dual bipolar resistive switching through controllable oxygen ion migration and redox reactions. This single device enables both STDP and anti‐STDP synaptic functions, achieving 86.4% MNIST accuracy in supervised spiking neural networks, offering a compact, energy ...
Sohwi Kim, Chansoo Yoon, Haena Yim, Taeyoon Kim, Hoyoung Suh, Woohyeon Ryu, Gwangtaek Oh, Jihoon Jeon, Kwanyoung Oh, Yeonjoo Jeong, Ji‐Won Choi, Bae Ho Park   +11 more
wiley   +1 more source

Inhibiting oxygen vacancies and twisting NbO6 octahedron in erbium modified KNN-based multifunctional ceramics

Journal of Materiomics
It is a challenge to obtain highly tunable multifunctional performances in one ferroelectric system by a simple approach to meet the miniaturization, integration, and functionalization requirements of advanced electronic components.
Lulu Gao, Zhiyong Liu, Pengrong Ren, Renhong Liang, Ting Li, Kun Guo, Bing Xie, Jinshan Lu, Pu Mao, Jun Tian, Longlong Shu   +10 more
doaj   +1 more source

Mechanical confinement for improved energy storage density in BNT-BT-KNN lead-free ceramic capacitors

AIP Advances, 2014
With the advent of modern power electronics, embedded circuits and non-conventional energy harvesting, the need for high performance capacitors is bound to become indispensible.
Aditya Chauhan, Satyanarayan Patel, Rahul Vaish   +2 more
doaj   +1 more source

Direct Observation of Electric‐Field‐Driven Phase Transitions Associated with Energy Storage in Antiferroelectric Films

Advanced Science, EarlyView.
The electric‐field‐driven antiferroelectric‐to‐ferroelectric phase transition in epitaxial PbZrO3 films is directly visualized by in situ aberration‐corrected scanning transmission electron microscopy. A sequential transition pathway involving an orthorhombic ferrielectric phase and a monoclinic ferroelectric phase, ultimately stabilizing into a ...
Yan‐Peng Feng, Mei‐Xiong Zhu, Ru‐Jian Jiang, Yu‐Jia Wang, Yun‐Long Tang, Yin‐Lian Zhu, Xiu‐Liang Ma   +6 more
wiley   +1 more source