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Phasefield Modeling of Ferroelectric Materials

Marc Kamlah
Head of the Mechanics of Materials Department, Forschungszentrum Karlsruhe, Germany

Outline of presentation: theory of phase-field modeling of ferroelectric materials parameter identification ... 扩展阅读

Finite Element Model of a Ferroelectric

P.R. Sainz, A.I. De Andrés Rubio, and A.L. Dorado
Departamento de Electrónica, Escuela Politécnica Superior, Universidad de Alcalá, Alcalá de Henares, Madrid, Spain

Ferroelectric technology continues to attract significant interest due to its wide range of applications ... 扩展阅读

Modeling and Simulation of High Permittivity Core-Shell Ferroelectric Polymers for Energy Storage Solutions

N. Badi[1], R. Mekala[1]
[1]University of Houston, Houston, TX, USA

The dielectric properties of ferroelectric PVDF polymer embedded core-shell (Al-Al2o3) nanoparticle is ... 扩展阅读

Surface Acoustic Wave Ferroelectric Phononic Crystal Based on Electric Field Induced Periodic Domains

V. Pashchenko[1], S. Yankin[2]
[1]Saint Petersburg State Polytechnical University, Saint Petersburg, Russia
[2]State University, Saratov, Russia. Joint International Laboratory LICS/LEMAC, IEMN UMR CNRS 8520, EC Lille, Villeneuve d'Ascq, France

A novel type of tunable surface acoustic waves (SAW) filter based on 1D phononic crystal controlled by ... 扩展阅读

Theoretical Study of Phase and Amplitude Characteristics of Microwave Coplanar Delay Line Containing Thin Ferroelectric Layer

V. Nikolaevtsev[1], S. Yankin[2], S. Suchkov[1], D. Suchkov[1], A. Litvinenko[1]
[1]Saratov State University, Saratov, Russian Federation
[2]Joint International Laboratory LICS/LEMAC, IEMN UMR CNRS 8520, EC Lille, France

We theoretically studied the microwave coplanar line of different geometry based on MgO substrate with a ... 扩展阅读

Grain-size-dependent dielectric properties in nanograin ferroelectrics

Ziming Cai [1], Xiaohui Wang [1],
[1] Tsinghua University, Beijing, China

A series of ferroelectric ceramic models with grain and grain-boundary structures of different sizes are ... 扩展阅读

Core-shell structure induced high displacement in piezoelectric ceramics

Ziming Cai [1], Xiaohui Wang, Bingcheng Luo, Longtu Li [1],
[1] State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, PR China

Large strain is crucial for piezoelectric ceramics to be used as actuators. In this work, a piezoelectric ... 扩展阅读

Finite Element Modeling of Dielectric-Paraelectric Composite Materials

K. Zhou, S. Alpay, and S. Boggs
Institute of Material Science, University of Connecticut, Storrs, CT, USA

Finite Element analysis is used to model 2-D and 3-D paraelectric-dielectric composites (BaTiO3 spherical ... 扩展阅读

超快时间尺度下多相共存氧化铪基铁电薄膜畴及畴壁动力学行为

蒋丽梅¹, 赖彬¹
¹湘潭大学-湘潭市-湖南省-中国

氧化铪基铁电薄膜材料是一种新型的铁电材料，可以与先进的CMOS工艺兼容；同时其膜厚低于10nm以下时，仍具有良好的铁电性。氧化铪基铁电材料的铁电畴变属于一级相变，因此，与传统铁电薄膜材料中铁电相连续分布的状态相区别的是 ... 扩展阅读

Development of improved ultrasonic transducers for medical surgery

D.R. Andrews¹
¹Cambridge Ultrasonics Ltd

Finite element modelling of surgical transducers has been performed and is described. Ultrasonic ... 扩展阅读

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