The preparation of piezoceramic–polymer thick films and their application as micromechanical actuators

Clegg, W.W.; Jenkins, David; Cunningham, Michael J.

doi:10.1016/s0924-4247(96)01431-8

Cited by 30 publications

(8 citation statements)

References 12 publications

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“…Among these four common polymorphs, only Form II is nonpolar, and the remaining three are polar. In a vector sum of constituent dipoles, the spontaneous polarization of Forms III and IV is around half that of Form I. Composites of a polymer matrix mixed with ferroelectric ceramics have attracted much attention from scientific communities because of their exceptional pyroelectric and ferroelectric properties [1][2][3][4][5][6][7][8]. Ferroelectric ceramic inclusions play an important role in providing functional effects to composite thin film, but have poor mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Enhancing pyroelectric and ferroelectric properties of PVDF composite thin films by dispersing a non-ferroelectric inclusion La2O3 for application in sensors

Gan

Majid

2015

Organic Electronics

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Section: Introductionmentioning

confidence: 99%

Enhancing pyroelectric and ferroelectric properties of PVDF composite thin films by dispersing a non-ferroelectric inclusion La2O3 for application in sensors

Gan

Majid

2015

Organic Electronics

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“…The increasing attention on the polymer composite over the past few decades is due to widespread applications for the development of functional materials to fulfill the requirements of cheap, reliable, durable and environmentallyfriendly batteries which are necessary for the most efficient energy storage and conversion device applications [1][2][3][4][5]. Polymer matrices with embedded inorganic fillers, nanoparticles or clusters are particularly important for optical, electronic, dielectric and magnetic applications.…”

Section: Introductionmentioning

confidence: 99%

Relaxation and conduction mechanism of PVA: BYZT polymer composites by impedance spectroscopy

Senthil

Badapanda²,

Kumar

et al. 2012

J Polym Res

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Frequency dependent dielectric, modulus, impedance and AC conductivity study of Poly Vinyl Alcohol with 25 vol.% of Yttrium modified Barium Zirconium Titanate ceramic have been investigated. The single phase Yttrium modified Barium Zirconium Titanate ceramics have been synthesized by conventional solid state route. The relaxation mechanism of dielectric and modulus study is due to the segmental motion of polymer chain along with the dipole orientation of ceramic in the polymer composite. The Nyquist plot of impedance shows two semicircles, which represents the bulk and interfacial effect of polymer composites. The activation energy decreases with incorporation of higher Yttrium modified Barium Zirconium Titanate ceramics in the polymer matrix due to the even distribution of ceramic in the polymer composite. The different activation energy obtained from conduction and relaxation of the composite indicates that various mechanisms are involved in the conduction and relaxation process.

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“…Capacitance and dielectric loss in the frequency range from 40 Hz-110MHz at room temperature were also measured by using LCR meter type Agilent 42942A terminal Adapter, and the dielectric constant was calculated by equations (1,2).…”

Section: B: Measurementmentioning

confidence: 99%

Piezoelectric Coefficient Properties of a Flexible PZT/Upe/C Composite

Noori¹,

Noori²

2010

JNUS

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A flexible piezoelectric composite, made from Lead Zirconate Titanate(PZT) powder and Unsaturated polyester (UPE) resin, was doped with small amount of carbon semiconductor powder. The piezoelectric strain coefficient (d 33 ) and the dielectric behavior have been studied for this ceramic/polymer composite. The dielectric constant processes of the composite were observed to be dominated by those of undoped ceramic-polymer. The practical results of PZT/UPE/C with ratio 49/50/1 adding a semiconductor phase in the composite showed piezoelectric strain coefficient can be controlled and a continuous electric flux path could be created between the PZT grains. This composite may be poled at low voltage and in shorter time compared with composites without a conductive phase.

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The preparation of piezoceramic–polymer thick films and their application as micromechanical actuators

Cited by 30 publications

References 12 publications

Enhancing pyroelectric and ferroelectric properties of PVDF composite thin films by dispersing a non-ferroelectric inclusion La2O3 for application in sensors

Enhancing pyroelectric and ferroelectric properties of PVDF composite thin films by dispersing a non-ferroelectric inclusion La2O3 for application in sensors

Relaxation and conduction mechanism of PVA: BYZT polymer composites by impedance spectroscopy

Piezoelectric Coefficient Properties of a Flexible PZT/Upe/C Composite

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