Surface acoustic waves on PZT thin films for particle manipulation Ghent University
Piezoelectric materials are able to convert an applied electrical signal into mechanical strain and stress. By using an electrical signal with a certain frequency, it is possible to generate an acoustic signal with the same frequency. Specially designed devices are able to generate the acoustic signals along the surface of a substrate. The generated Surface Acoustic Waves (SAWs) propagate on top of this piezoelectric substrate. Devices using ...