Assertion: amorphous polymer | /r/ObjectUse | used in acoustic transducers
Facets:
value: because of their inherent pyroelectric response
type: CAUSE
Source sentences:
text: Ferroelectric polymers, such as polyvinylidene fluoride (PVDF), are used in acoustic transducers and electromechanical actuators because of their inherent piezoelectric response, and as heat sensors because of their inherent pyroelectric response.