electret

n.

驻极体，电介体；永电体；

electret microphone驻极体麦克风

Piezoelectricity in cellular electret films
Negatively charged polymeric electret implant
Electromechanical response of cellular electret films
Electromechanical response of cellular electret films
Different electrostatic methods for making electret filters
Design and optimization of a MEMS electret-based capacitive energy scavenger
ElectroMechanical Film (EMFi) — a new multipurpose electret material
Nonvolatile organic field-effect transistor memory element with a polymeric gate electret
Less can be more. Holes in polymers lead to a new paradigm of piezoelectric materials for electret transducers
Organic Non‐Volatile Memory Based on Pentacene Field‐Effect Transistors Using a Polymeric Gate Electret