3-D effects of polarization switching on interdigitated electroded ferroelectrics

David M. Pisani; C. S. Lynch

doi:10.1117/12.883432

27 April 2011 3-D effects of polarization switching on interdigitated electroded ferroelectrics

David M. Pisani, C. S. Lynch

Proceedings Volume 7978, Behavior and Mechanics of Multifunctional Materials and Composites 2011; 797802 (2011) https://doi.org/10.1117/12.883432
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2011, San Diego, California, United States

Abstract

Interdigitated electrodes are used to obtain an in-plane d₃₃ coupling from patch actuators. Existing design tools do not take into consideration the three dimensional effects of polarization reorientation. This work presents a 3-D finite element code that utilizes a micromechancial constitutive law with full ferroelectric switching. The code is used to explore the design of interdigitated electrode devices. The results point to several parameters that are important to the design of these devices. These include electrode spacing, electrode width, specimen thickness, and specimen depth.

Citation Download Citation

David M. Pisani and C. S. Lynch "3-D effects of polarization switching on interdigitated electroded ferroelectrics", Proc. SPIE 7978, Behavior and Mechanics of Multifunctional Materials and Composites 2011, 797802 (27 April 2011); https://doi.org/10.1117/12.883432

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