Results 41 to 50 of about 62,079 (347)
Piezoelectric properties of polyamide 11/NaNbO3nanowire composites [PDF]
, 2012 Polyamide 11(PA 11)/sodium niobate nanowire (NW) 0–3 composites with different volume fractions of NWs were synthesized. The electric polarization (P) was measured as a function of the applied electric field (E).
Capsal, Jean-Fabien +4 more
core +3 more sources
Equivalent parameter model of 1-3 piezocomposite with a sandwich polymer
Results in Physics, 2018 A theoretical model was developed to investigate the performance of 1-3 piezoelectric composites with a sandwich polymer. Effective parameters, such as the electromechanical coupling factor, longitudinal velocity, and characteristic acoustic impedance of
Yanjun Zhang, Likun Wang, Lei Qin
doaj +1 more source
Development of a controlled environment near-field optical microscope for organic thin film studies [PDF]
, 2010 The requirements of a microscope differ greatly from field to field and with the sample being studied Organic thin films are highly sensitive to environmental conditions being rapidly photobleached in the presence of oxygen In this paper we introduce the
Ambrosio +26 more
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Nature Communications, 2021 Piezoelectric polymers usually have rather low piezoelectric coefficients less than 30 pC/N. Here, the authors achieve a highly piezoelectric polymer (d 33 = −62 pC/N) based on a poled biaxially oriented poly(vinylidene fluoride) with a pure β phase due ...
Yanfei Huang +10 more
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Fabrication of Piezoelectric Composites Using High-Temperature Dielectrophoresis
Journal of Manufacturing and Materials Processing, 2019 In this paper, we present a method to create a highly sensitive piezoelectric quasi 1−3 composite using a thermoplastic material filled with a piezoelectric powder.
Jibran Khaliq, Theo Hoeks, Pim Groen
doaj +1 more source
Advanced Science, 2022 Piezoelectric nanocomposites with oxide fillers in a polymer matrix combine the merit of high piezoelectric response of the oxides and flexibility as well as biocompatibility of the polymers.
Weixiong Li +13 more
doaj +1 more source
Tactile sensing chips with POSFET array and integrated interface electronics [PDF]
, 2014 This work presents the advanced version of novel POSFET (Piezoelectric Oxide Semiconductor Field Effect Transistor) devices based tactile sensing chip. The new version of the tactile sensing chip presented here comprises of a 4 x 4 array of POSFET touch ...
Adami, Andrea +5 more
core +1 more source
Dielectric relaxations and ferroelectric behaviour of even–odd polyamide PA 6,9 [PDF]
, 2010 Thermo Stimulated Current (TSC) combined with Dynamic Dielectric Spectroscopy (DDS) have been applied to the investigation of dielectric relaxation modes of an even–odd Polyamide PA 6,9.
Bernès, Alain +10 more
core +1 more source
Materials & Design, 2020 The low piezoelectric response (piezoelectric coefficient d33 lower than 30 pC N−1) of PVDF-based polymers limits their practical applications. Here we report a mechanical structure which can enhance the effective piezoelectric response of P(VDF-TrFE ...
Xinping Hu, Shuhui Yu, Baojin Chu
doaj +1 more source
Tapered transmission line technique based graded matching layers for thickness mode piezoelectric transducers [PDF]
, 2009 Conventionally, in order to acoustically match thickness mode piezoelectric transducers to a low acoustic impedance load medium, multiple quarter wavelength (QW) matching layers are employed at the front face of the device.
Hayward, Gordon +6 more
core +1 more source