Journal
JAPANESE JOURNAL OF APPLIED PHYSICS
Volume 49, Issue 12, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1143/JJAP.49.121601
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- Ministry of Education, Culture, Sports, Science and Technology of Japan [19206034]
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Through electric-field-induced second-harmonic generation (EFISHG) measurement, we studied carrier injection and accumulation in a pentacene layer under the effect of dipole reversal in a ferroelectric poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] layer. The change in the electric field in the pentacene layer due to polarization reversal in the P(VDF-TrFE) layer was determined by direct probing. Using the value of remnant polarization of P(VDF-TrFE) obtained from displacement current measurement (DCM), we showed that the EFISHG response closely reflected the hole injection and accumulation at the pentacene/P(VDF-TrFE) interface induced by spontaneous polarization in P(VDF-TrFE). (C) 2010 The Japan Society of Applied Physics DOI: 10.1143/JJAP.49.121601
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