A5085040881- Ferroelectric and Piezoelectric Materials
- Multiferroics and related materials
- Acoustic Wave Resonator Technologies
- Advanced Photocatalysis Techniques
- Dielectric materials and actuators
- Copper-based nanomaterials and applications
- Advanced Sensor and Control Systems
- Dielectric properties of ceramics
- Quantum Dots Synthesis And Properties
- Microwave Dielectric Ceramics Synthesis
- Advanced Computational Techniques and Applications
- Nanomaterials for catalytic reactions
- Advanced Algorithms and Applications
- TiO2 Photocatalysis and Solar Cells
- Vehicular Ad Hoc Networks (VANETs)
- Advanced Sensor and Energy Harvesting Materials
- Advanced oxidation water treatment
- Wireless Sensor Networks and IoT
- Covalent Organic Framework Applications
- Ultrasonics and Acoustic Wave Propagation
- Extraction and Separation Processes
- Industrial Technology and Control Systems
- IoT and GPS-based Vehicle Safety Systems
- Industrial Automation and Control Systems
- Radio Astronomy Observations and Technology
Institute of New Materials
2022-2024
Tsinghua University
2018-2024
State Key Laboratory of New Ceramics and Fine Processing
2019-2024
National Institute of Metrology
2019-2022
Analysis and Testing Centre
2020
University of Science and Technology Beijing
2009-2019
Institute of Computing Technology
2012
Hebei University of Technology
2009-2010
Circular RNAs (circRNAs) are emerging as a new class of endogenous and regulatory noncoding in latest years. With the widespread application RNA sequencing (RNA-seq) technology bioinformatics prediction, large numbers circRNAs have been identified. However, at present, we lack comprehensive characterization all these interested samples. In this study, integrated 87 935 sequences that cover most identified till now represented circBase to design microarray probes targeting back-splice site...
Piezocatalysis provides a promising strategy for directly converting weak mechanical energy into chemical energy. In this work, we report simple one-step hydrogen reduction route the simultaneous generation of surface defects and heterojunctions in Sr0.5Ba0.5Nb2O6 nanorods fabricated by molten salt synthesis method. The as-fabricated Sr0.5Ba0.5Nb2O6/Sr2Nb2O7 nanocomposites with controllable oxygen vacancies exhibited excellent piezocatalytic activity under ultrasonic vibration, an about 7...
Antiferroelectric materials with double hysteresis loops are attractive for energy storage applications, which becoming increasingly important power electronics nowadays. Among them, AgNbO3 based lead-free ceramics have attracted intensive interest as one of promising environmental-friendly candidates. However, most the suffers from low dielectric breakdown strength (Eb). The limitation Eb is broken to some extent in this work. Here, epitaxial films were fabricated by pulsed laser...
Optical absorption and photocatalytic activity can be enhanced by surface plasmon resonance (SPR) effect, but the charge transfer (CT) mechanism between dispersed noble metal nanoparticles (NPs) semiconductor matrix has been ignored. Herein, we adduce a direct strong evidence in Ag-nanoparticle-dispersed BaTiO3 (Ag/BTO) composite films through X-ray photoelectron photoluminescence spectra which reveals CT from BTO trapped Ag NPs under UV light to visible light. Owing broadened optical...
Abstract With the development of advanced electrical and electronic devices requirement environmental protection, lead‐free dielectric capacitors with excellent energy storage performance have aroused great attention. However, it is a challenge to achieve both large density high efficiency simultaneously in capacitors. This work investigates sol‐gel‐processed (K,Na)NbO 3 ‐based ferroelectric films on silicon substrates compositions 0.95(K 0.49 Na Li 0.02 )(Nb 0.8 Ta 0.2 )O ‐0.05CaZrO ‐ x...
Surface functionalization of piezoelectric greatly determines its piezo-catalytic activity and selectivity in that functional group affect specific reactants' surface adsorption activation abilities. Herein, we propose chemical on the nano-scaled BaTiO3 via a one-pot hydrothermal process using polyethylene glycol as surfactant, evaluate by degrading model antibiotic dye reactants under ultrasonic vibrations. Acetate or/and oxalic unidentate ligands nanobelts can be formed controlling...
Heavy metal pollution presents significant environmental and public health risks due to its widespread occurrence resistance degradation. There is a pressing need for innovative solutions address the challenge of heavy ion removal from water resources. In this review, we highlight recent advancements in emerging catalytic strategies efficient remediation, leveraging various external fields such as electric, mechanical, magnetic, thermoelectric fields, well their synergetic coupling with...
Abstract The orientation modulation of ferroelectric materials is a suitable method to optimize material performance. Textured Bi 1‐ x Sm FeO 3 thin films (near the rhombohedral‐orthorhombic (R‐O) phase boundary, that is, = 0, 0.1, 0.12, 0.14, and 0.16) were fabricated using sol‐gel process by introducing LaNiO (LNO) seed layer. Structural characterizations used investigate effect texturing on doping‐induced R‐O transition BiFeO films. It was found occurred from rhombohedral orthorhombic...
Abstract (K,Na)NbO 3 ( KNN ) is a promising lead‐free ferroelectric/piezoelectric system, to which incorporating BaZrO can greatly enhance its piezoelectricity, but the mechanism not clear. This work was conducted investigate phase transition in ‐modifed system and contribution piezoelectricity enhancement, using thin films with fixed orientation high compositional homogeneity fabricated by sol‐gel method. Two ferroelectric‐to‐ferroelectric transitions are revealed, correspond monoclinic M C...
Pt/Na0.5Bi0.5TiO3/La0.5Sr0.5CoO3 (Pt/NBT/LSCO) ferroelectric capacitors were fabricated on (110) SrTiO3 substrate. Both NBT and LSCO films epitaxially grown the It was found that leakage current density of Pt/NBT/LSCO capacitor is favorable to ohmic conduction behavior when applied electric fields are lower than 60 kV/cm, bulk-limited space charge-limited takes place higher kV/cm. The possesses good fatigue resistance retention, as well properties with Pr = 35 μC/cm2. can be modulated by...
AgNbO3 is an antiferroelectric (AFE) material with double hysteresis loop. Both the antiferroelectricity and ferroelectricity can be enhanced by doping. Herein, of ceramics was via K-doping phase diagram (Ag1-xKx)NbO3 upgraded. In details, are ferrielectric (FIE) M1 as x = 5.00–5.50 mol% ferroelectric (FE) O 5.75–6.00 before poling, FE 5.00–6.00 after poling at room temperature. With increasing temperature, show evolutions from FIE M1, AFE M2 to paraelectric (PE) T O, PE poling. High d33...
The photocatalytic degradation activity and photoelectrochemical performance of amorphous BaTiO<sub>3</sub> films can be improved after introducing Cu NPs, the oxidation is strongly hindered when dispersing in that serve as h<sup>+</sup>-trapping centers.
The aim of the research is to propose a new optimization method for multiconstrained sparse linear arrays (including constraints number elements, aperture arrays, and minimum distance between adjacent elements). modified wolf pack algorithm based on quantum theory. In method, wolves are coded by Bloch spherical coordinates bits, updated revolving gates, selectively adaptively mutated when performing poorly. Because three-coordinate characteristics sphere, global optimum solutions greatly...
Ferroelectric domain walls (DWs) are an important feature of ferroelectric materials and play a vital role in the materials, where charged DWs focus extensive research due to their unique interfacial properties. Herein, epitaxial (K,Na)NbO 3 (KNN)‐based thin films prepared by sol–gel method, monoclinic M C structure film is confirmed. Stripe‐shaped patterns with head‐to‐head tail‐to‐tail (110) pc (1¯10) planes observed KNN‐based film. Although screening bound charges inevitably increases...
AgNbO3-based materials have attracted extensive attention in energy storage due to their double hysteresis loops, but they suffer from low breakdown strength (Eb). AgNbO3 films with few defects and small thickness exhibit high Eb, which helps improve the performance. In this work, we successfully prepared thin on (110) SrTiO3 substrate using pulsed laser deposition technology. The film shows good crystalline relaxor ferroelectric behavior. A Eb up 1200 kV/cm is obtained film, contributes...
AgNbO3 antiferroelectric materials have become a hot topic due to their typical double polarization–electric field loops. films usually exhibit superior properties bulks. In this work, were fabricated via the pulsed laser deposition on (001) SrTiO3 substrate with (La0.5Sr0.5)CoO3, LaNiO3 and SrRuO3 bottom electrodes, in which electrodes used regulate in-plane compressive stress of films. It is found that deposited are epitaxial dense microstructure. changing from SrRuO3, thin becomes weaker,...