DC-Biased Piezoelectret Film Transducers for Airborne Ultrasound

High Sensitivity Electret Accelerometer With Integrated FET

(2014) Joachim Hillenbrand et al.   IEEE SENSORS JOURNAL

Figure of merit of piezoelectret transducers for pulse-echo or transmit-receive systems for airborne ultrasound

(2013) G. M. Sessler et al.   APPLIED PHYSICS LETTERS

Air-Coupled Piezoelectric Transducers with Active Polypropylene Foam Matching Layers

(2013) Tomás Gómez Alvarez-Arenas   SENSORS

Enhanced electromechanical response of ferroelectret ultrasonic transducers under high voltage excitation

(2012) V Bovtun et al.   Advances in Applied Ceramics

Piezoelectric and electrostrictive effects in ferroelectret ultrasonic transducers

(2012) Joachim Döring et al.   JOURNAL OF APPLIED PHYSICS

Ultrasound transducers based on ferroelectret materials

(2011) Stefan Rupitsch et al.   IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION

Nonlinear electromechanical response of the ferroelectret ultrasonic transducers

(2010) Joachim Döring et al.   APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING

Airborne ultrasonic phased arrays using ferroelectrets: a new fabrication approach

(2009) J.L. Ealo et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

Air-Coupled Ultrasonic Applications of Ferroelectrets

(2008) Viktor Bovtun et al.   FERROELECTRICS

Broadband EMFi-based transducers for ultrasonic air applications

(2008) J.L. Ealo et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

DC-biased ferroelectrets with large piezoelectric d33-coefficients

(2008) J. Hillenbrand et al.   JOURNAL OF APPLIED PHYSICS

EMFi-based ultrasonic transducer for robotics applications

(2008) Ana Jiménez et al.   SENSORS AND ACTUATORS A-PHYSICAL