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From NdNiO2 to a Mott Multiferroic BiNiO2 从 NdNiO2 到莫特多铁性 BiNiO2
IF 0.4 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2024-01-31 DOI: 10.1080/07315171.2023.2300596
Hu Zhang, RuiFeng Zhang, Lulu Zhao, Chendong Jin, Ruqian Lian, Peng-Lai Gong, RuiNing Wang, JiangLong Wang, Xing-Qiang Shi
Motivated by the recently discovered superconductivity in Sr-doped nickelate oxides NdNiO2 reduced from NdNiO3 in experiments, we predict a Mott multiferroic BiNiO2 that may be obtained from BiNiO3...
受最近在实验中发现的由 NdNiO3 还原的掺锶镍酸盐氧化物 NdNiO2 的超导性的启发,我们预测了可能从 BiNiO3 中获得的莫特多铁性 BiNiO2。
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引用次数: 0
First Principles Study of Electron Structure of LaxBa1-xMnO3 Crystals LaxBa1-xMnO3 晶体电子结构的第一原理研究
IF 0.4 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2024-01-31 DOI: 10.1080/07315171.2023.2300594
A. Kh. Nabiyeva, S. H. Jabarov, N. A. Ismayilova, H. J. Huseynov
In the framework of the density functional theory electronic band structure and density of states of LaxBa1-xMnO3 solid solutions containing different concentrations of La and Ba atoms, were studie...
在密度泛函理论的框架内,研究了含有不同浓度的 La 原子和 Ba 原子的 LaxBa1-xMnO3 固溶体的电子能带结构和状态密度。
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引用次数: 0
Effects of high contents of dielectric inclusions on ferroelectricity in dielectric-ferroelectric nanocomposites with dimethylammonium aluminum sulfate hexahydrate 高含量介电夹杂物对六水硫酸铝二甲胺介电纳米复合材料铁电性的影响
IF 0.4 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2024-01-31 DOI: 10.1080/07315171.2023.2300593
Hoai Thuong Nguyen, A. Yu Milinsky, S. V. Baryshnikov, Minh Thuyen Chau, Phan Thi Bich Thao
The present study is devoted to analyzing effects of high contents (85 wt.%) of dielectric inclusions, including nanocellulose and silicon dioxide nanoparticles, on ferroelectricity of composites w...
本研究致力于分析高含量(85 wt.%)介电夹杂物(包括纳米纤维素和纳米二氧化硅颗粒)对复合材料铁电性的影响。
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引用次数: 0
Design and Characterization of Eu2+/Ln3+ Co-doped SrAl2Si2O8 Photostimulated Phosphors for Optical Information Storages 用于光信息存储的 Eu2+/Ln3+ 共掺杂 SrAl2Si2O8 光激励荧光粉的设计与表征
IF 0.4 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2024-01-31 DOI: 10.1080/07315171.2023.2300595
Shengyi Liu, Duan Gao, Li Wang, Wenbin Song, Jun Huang, Wenjun Zheng, Qi Zhang, Peijia Xiao
In this paper, a series of Sr0.96Al2Si2O8 phosphors doped with 0.02Eu2+ and 0.02Re3+ (where Re = Tm, Dy, Er, Nd, Sm, La, Ho) were synthesized using the high-temperature solid-phase method at 1350 °...
本文采用高温固相法,在 1350 ° C 下合成了一系列掺杂 0.02Eu2+ 和 0.02Re3+ (其中 Re = Tm、Dy、Er、Nd、Sm、La、Ho)的 Sr0.96Al2Si2O8 荧光粉。
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引用次数: 0
Influence of Ionic Conductivity in Polymer Dispersed Antiferroelectric Liquid Crystals (PDAFLC): A Comparison of Critical Fields 聚合物分散反铁电液晶 (PDAFLC) 中离子电导率的影响:临界场的比较
IF 0.4 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2024-01-31 DOI: 10.1080/07315171.2023.2300598
Tapas Pal Majumder, Abhik Halder, Rakesh Kumar Mandal
Theoretically critical unwinding field was studied using Landau free energy model of three different geometrical configuration of antiferroelectric liquid crystals. In this study, we considered the...
利用朗道自由能模型对三种不同几何构型的反铁电液晶的临界开卷场进行了理论研究。在这项研究中,我们考虑了...
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引用次数: 0
Optical analysis of RE3+ (re = Sm, Dy): MgLa2V2O9 phosphors RE3+(re = Sm、Dy)的光学分析:MgLa2V2O9 荧光粉
IF 0.4 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2024-01-31 DOI: 10.1080/07315171.2023.2300597
S. Hajira, J. Santhosh Vijitha, Sudhakara Rao Hari, K. A. Jamal Basha, V. Adinarayana, B. Sudhakar Reddy
In this work, we have prepared the RE3+(Sm, Dy): MgLa2V2O9 phosphors of different mol% by solid-state reaction approach. The obtained powder phosphors of RE3+(Sm, Dy): MgLa2V2O9 were analyzed by SE...
在这项工作中,我们采用固态反应方法制备了 RE3+(Sm,Dy):MgLa2V2O9 荧光粉。得到的 RE3+(Sm, Dy):MgLa2V2O9 荧光粉经分析表明,RE3+(Sm, Dy)用SE分析了RE3+(Sm, Dy):MgLa2V2O9粉末荧光粉。
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引用次数: 0
A Double-Sided Tapered Teeth Traveling Wave Ultrasonic Motor Based on In-Plane Bending Mode 基于面内弯曲模式的双面锥形齿行波超声电机
4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2023-10-05 DOI: 10.1080/07315171.2023.2238177
Junlin Yang, Ye Chen, Shihao Xiao, Yijing Niu, Liang Li
AbstractIn order to improve the output torque of an in-plane bending mode traveling wave rotary ultrasonic motor, a double-sided tapered teeth traveling wave rotary ultrasonic motor was proposed. The motor is designed with three types of adaptive rotors that can be used for replacement in different output environments. Simulation analysis was conducted using ANSYS, and prototype production and experimental testing were conducted. The experimental results show that when the excitation voltage is 300 V and the excitation frequency is 22.665 kHz, the maximum output torque that the motor provide is 3.087 N·mm, and the maximum no-load speed is 295 rpm.Keywords: Rotary ultrasonic motortraveling wavedouble-sided drivein-plane bending mode Disclosure StatementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis research was funded by the Natural Science Foundation of Liaoning Provincial Department of Science and Technology (Grant No. 2022-BS-307); the Basic Research Project of Education Department of Liaoning Province (Grant No. JJL202015401) and the Basic Research Project of Education Department of Liaoning Province (Grant No. LJKZ0607).
摘要为了提高面内弯曲型行波旋转超声电机的输出转矩,提出了一种双面锥形齿行波旋转超声电机。电机设计了三种自适应转子,可在不同的输出环境下进行更换。利用ANSYS进行了仿真分析,并进行了样机制作和实验测试。实验结果表明,当激励电压为300 V,激励频率为22.665 kHz时,电机提供的最大输出转矩为3.087 N·mm,最大空载转速为295 rpm。关键词:旋转超声马达,行波,双面驱动平面弯曲模式,披露声明,作者未报告潜在的利益冲突。本研究由辽宁省科学技术厅自然科学基金资助(批准号:2022-BS-307);辽宁省教育部门的基础研究项目(批准号JJL202015401)和辽宁省教育厅基础研究项目(批准号:201812015401);LJKZ0607)。
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引用次数: 0
Novel Piezo-active 2–1–2 Composites with Sets of Large Hydrostatic Parameters 新型大静力参数压电主动2-1-2复合材料
4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2023-10-05 DOI: 10.1080/07315171.2023.2238175
V. Yu. Topolov
AbstractA 2–1–2 composite with two single-crystal components is studied for the first time to highlight large hydrostatic piezoelectric coefficients dh* and gh*, figure of merit dh*gh*, and electromechanical coupling factor kh*. Each 2–1–2 composite contains layers of domain-engineered [011]-poled relaxor-ferroelectric (1–x)Pb(Zn1/3Nb2/3)O3 – xPbTiO3 single crystal (x = 0.0475–0.09) and heterogeneous layers being systems of aligned piezoelectric Li2B4O7 single crystal rods in polyethylene, and these rods have an elliptic cylindrical shape. New diagrams show the volume-fraction ranges wherein large values of dh*> 10−9 C/N, dh*gh*> 2.10−10 Pa−1 and kh*≈ 0.5–0.6 are observed.Keywords: 2–1–2 composite[011]-poled domain-engineered single crystal1–3 composite layerHydrostatic piezoelectric coefficientsElastic anisotropyPACS: 77.84.-s: Dielectricpiezoelectricferroelectricand antiferroelectric materials AcknowledgmentsThe author would like to thank Prof. Dr C. R. Bowen (University of Bath, UK) and Prof. Dr P. Bisegna (University of Rome Tor Vergata, Italy) for their interest in the field of advanced piezoelectric materials and applications.Disclosure StatementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis research was supported by the Southern Federal University (research topic “Development and Materials-Science Substantiation of the Creation of Materials and Products Based on Piezoelectric Ceramics Using Additive Technologies”, contract No. 176/22-D, July 11th, 2022).
摘要首次研究了具有两个单晶组分的2-1-2复合材料,突出了较大的静水压电系数dh*和gh*、优点系数dh*gh*和机电耦合系数kh*。每一种2-1-2复合材料都包含领域工程[011]-极化弛磁-铁电(1-x)Pb(Zn1/3Nb2/3)O3 - xPbTiO3单晶(x = 0.0475-0.09)层和非均质层,这些非均质层是在聚乙烯中排列的Li2B4O7压电单晶棒,这些棒具有椭圆圆柱形。新的图显示,在体积分数范围内,dh*> 10−9 C/N、dh*gh*> 2.10−10 Pa−1和kh*≈0.5—0.6的值较大。关键词:2-1-2复合材料[011]-极化畴工程单晶- 1 - 3复合层静压压电系数弹性各向异性作者感谢C. R. Bowen教授博士(英国巴斯大学)和P. Bisegna教授博士(意大利罗马大学)对先进压电材料及其应用领域的关注。披露声明作者未报告潜在的利益冲突。本研究由南方联邦大学资助(研究课题“利用增材技术制造基于压电陶瓷的材料和产品的开发和材料科学实证”,合同号176/22-D, 2022年7月11日)。
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引用次数: 0
A Dual-Cylinder Piezoelectric Energy Harvester Using Wind Energy 一种利用风能的双缸压电能量收集器
4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2023-10-05 DOI: 10.1080/07315171.2023.2238179
Guotai Wang, Lianjian Luo, Qingling Zhao, Chongqiu Yang, Hui Shen, Rujun Song
AbstractThis paper proposes a Dual-Cylinder Piezoelectric Energy Harvester (DC-PEH). The cylinders generate vortex-induced vibration under the action of wind, driving the cantilever beam to deform. During the vibration process, the cantilever beam produces two types of bending modes, namely U-shaped vibration and S-shaped vibration. According to the experimental results, as the wind speed increases, the output power of the DC-PEH first increases and then decreases. When the diameter of the cylinders at both ends of the DC-PEH is 36 mm and the wind speed is 4.3 m/s, the output power can reach 7.812 mW.Keywords: Piezoelectric energy harvestingfluid energyvortex-inducedmultiple vibrations Disclosure StatementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was supported by the Shandong Provincial Natural Science Foundation (ZR2022ME053, ZR2021QF092), The Youth Innovation Team Development Program of Shandong Provincial Higher Education Institutions (Grant No. 2022KJ234), National Natural Science Foundation of China (No.51975303) and Shandong Provincial Key Laboratory of Precision Manufacturing and Nontraditional Machining.
摘要提出了一种双缸压电能量采集器(DC-PEH)。气缸在风的作用下产生涡激振动,驱动悬臂梁变形。在振动过程中,悬臂梁产生两种弯曲模式,即u型振动和s型振动。实验结果表明,随着风速的增大,DC-PEH的输出功率先增大后减小。当DC-PEH两端气缸直径为36 mm,风速为4.3 m/s时,输出功率可达7.812 mW。关键词:压电能量收集流体能量涡激多重振动披露声明作者未报告潜在利益冲突。项目资助:山东省自然科学基金项目(ZR2022ME053, ZR2021QF092),山东省高校青年创新团队发展计划项目(批准号:2022KJ234),国家自然科学基金项目(No.51975303),山东省精密制造与非传统加工重点实验室。
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引用次数: 0
SH Waves in a Half-Space Model of Functionally Gradient Piezoelectric Semiconductors with Initial Stresses 具有初始应力的功能梯度压电半导体半空间模型中的SH波
4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Pub Date : 2023-10-05 DOI: 10.1080/07315171.2023.2238174
W. H. Wang, Li Li, M. Lan, J. H. Du
AbstractIn terms of piezoelectric class (6 mm) crystal semiconductor, the propagation of shear surface waves on the half-space surface under initial stresses is studied. The initial stresses and material parameters are hypothesized to exponentially vary along x− direction only. Besides, the velocity equations of SH waves can be obtained based on the boundary conditions and the kinematic equations of the initially stressed graded piezoelectric semiconductor material, as well as the traction-free boundary conditions. Based on the numerical results, we explore how the semiconductivity, initial stresses as well as material gradient index impact the dispersive curves.Keywords: Shear surface wavesgradient materialpiezoelectric semiconductorsdispersive curvesinitial stresses Disclosure StatementNo potential conflict of interest was reported by the author(s).Additional informationFundingThe present study was funded by the Natural Science Foundation of Heilongjiang Province of China [grant number LH2020A023]; Heilongjiang Province Education Department Scientific Research Project [grant number 145209136]; National Natural Science Foundation of China, [No.42371113].
摘要以压电类(6mm)晶体半导体为对象,研究了初始应力作用下剪切表面波在半空间表面上的传播规律。假设初始应力和材料参数仅沿x -方向呈指数变化。此外,根据初始应力梯度压电半导体材料的边界条件和运动方程,以及无牵引力边界条件,可以得到SH波的速度方程。在此基础上,探讨了半导体率、初始应力和材料梯度指数对色散曲线的影响。关键词:剪切表面波;梯度材料;压电半导体;色散曲线;本研究由黑龙江省自然科学基金资助[批准号:LH2020A023];黑龙江省教育厅科研项目[批准号145209136];国家自然科学基金项目[No.42371113]。
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引用次数: 0
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Ferroelectrics Letters Section
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