The Journal of the Acoustical Society of America · 1973 · 50 citations · 0 references
Natural SciencesElectrical EngineeringMaterials ScienceElectrochemistrySemiconductor DevicesSurface ScienceDielectricsElectrode MaterialsSurface ChargeCharge StorageCharge Storage MaterialsCharge Storage MechanismsElectrical Breakdown In AirShort-circuitingSpace Charge DistributionSpace Charge MeasurementSurface Charge Measurement
A short review will be given of the types of electret in terms of their electrostatic configuration: dipolar, internal space charge (heteroplar), injected space charge (homopolar), and deposited charge (monopolar). The methods used to make thermo-, photo-, electro-, and surface electrets will be described. The internal fields, short-circuiting effect, stability, limitation due to air breakdown, charge measurement, charge storage, and trapping levels will be discussed.