A Generalized Acoustic Framework for Multilayer Piezoelectric Platforms

Area of Science:

• Materials Science
• Acoustics Engineering
• Solid State Physics

Background:

• Conventional piezoelectric acoustic design relies on single orientations.
• Recent advances enable multilayer piezoelectric films with spatially dependent polarization.
• Periodically poled piezoelectric films (P3Fs) offer enhanced performance through multiple orientations.

Purpose of the Study:

• To present a generalized acoustic framework for analyzing P3F platforms.
• To provide a tool for designers to rapidly assess multilayer piezoelectric configurations.
• To facilitate application-optimized designs leveraging multiple piezoelectric orientations.

Main Methods:

• Development of a generalized acoustic framework applicable to any material system.
• Analysis of material systems under transformation and spatial variation.
• Framework implementation for rapid feasibility testing of P3F designs.

Main Results:

• A comprehensive acoustic framework for P3F platforms has been established.
• The framework allows for the simultaneous consideration of multiple piezoelectric orientations.
• Designers can now efficiently evaluate novel multilayer piezoelectric configurations.

Conclusions:

• The generalized acoustic framework addresses the need for a universal analysis tool for P3Fs.
• This work empowers researchers to explore new acoustic topologies with enhanced performance.
• The framework accelerates the design and optimization process for piezoelectric acoustic devices.