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JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 55, Issue 10, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/JJAP.55.10TA18
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We report on the fabrication and demonstration of fully printed ferroelectric capacitors using poly(vinylidene fluoridetrifluoroethylene) [P(VDFTrFE)]. The printed ferroelectric capacitors were primarily fabricated by ink-jet printing on a thin plastic film substrate. The annealing process for the P(VDF-TrFE) layer was optimized from the viewpoints of surface morphology and crystallinity. A good ferroelectric polarization-electric field loop and piezoelectricity in the P(VDF-TrFE) were achieved for the printed ferroelectric capacitors. We have succeeded in the detection of a weak pressure of 150 mbar using the printed ferroelectric capacitor, which is an indication of a potential application to health-care biosensors. These results were realized by the optimization of the annealing temperature for the P(VDF-TrFE) layer. (C) 2016 The Japan Society of Applied Physics
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