Various nanomaterials are employed in acoustic filtering, each with unique properties that make them suitable for different applications. Some common materials include:
Graphene: Known for its exceptional strength and flexibility, graphene can be used to create high-performance acoustic filters. Carbon Nanotubes: These structures offer excellent mechanical properties and can be used to design filters with precise frequency control. Metamaterials: Engineered to have properties not found in naturally occurring materials, metamaterials can be tailored for specific acoustic filtering applications. Piezoelectric Nanomaterials: These materials generate an electric charge in response to mechanical stress, making them useful for active acoustic filtering.
