资源描述：
《Piezoelectricity in uniaxially stretched poly(vinylidene fluoride).pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Piezoelectricityinuniaxiallystretchedpoly(vinylidenefluoride)MasahikoTamura,KiyohideOgasawara,NobuyukiOno,andSumioHagiwaraCitation:J.Appl.Phys.45,3768(1974);doi:10.1063/1.1663857Viewonline:http://dx.doi.org/10.1063/1.1663857ViewTableofContents:http://jap.aip.org/r
2、esource/1/JAPIAU/v45/i9PublishedbytheAmericanInstituteofPhysics.AdditionalinformationonJ.Appl.Phys.JournalHomepage:http://jap.aip.org/JournalInformation:http://jap.aip.org/about/about_the_journalTopdownloads:http://jap.aip.org/features/most_downloadedInformationfo
3、rAuthors:http://jap.aip.org/authorsDownloaded19Sep2012to134.214.184.143.RedistributionsubjecttoAIPlicenseorcopyright;seehttp://jap.aip.org/about/rights_and_permissionsPiezoelectricityinuniaxiallystretchedpoly{vinylidenefluoride)MasahikoTamura,KiyohideOgasawara,Nob
4、uyukiOn~,andSumioHagiwaraAcousticalEngineeringResearchLaboratory,PioneerElectronicCorporation,Tokorozawa,Saitama,Japan(Received11March1974;infinalform6May1974)Hysteresischaracteristics,whicharesimilartothoseobservedinferroelectriccrystals,arefoundinuniaxiallystret
5、chedpoly(vinylidenefluoride)underahighelectricfieldabove300kVIcmatroomtemperature.Theelectrostrictiveconstantq13inpoly(vinylidenefluoride)isdeterminedforpolarizationbelowabout0.5J.IC/cm2atroomtemperaturetobe0.9egsesu.Theremanentpolarizationafterthepolingprocesscan
6、beeasilyeliminatedwithasufficientlyhighsinusoidalelectricfield.Thiseffectisconfirmedbythermallystimulatedcurrentsbeforeandafterthedepolarizationprocess.INTRODUCTIONhysteresiscurvewhichissubstantiallythesameasthatobservedinferroelectricceramics.1Areversiblepyro•Rec
7、ently,manyinvestigationsofthepiezoelectricelectriccurrent,reportedbyMurayama,hasimpliedpropertiesinhighpolymershavebeenmade,andthesestablepolarizationwhichwasgeneratedduringtheinvestigationshavebeenfullyreviewedbyHayakawaandpolingprocess.6Wada.1Amongthemanykindsof
8、polymers,uniaxiallystretchedpoly(vinylidenefluoride)(PVF2)appearstobeMoreover,severalmodelshavebeenproposedtoex•themostpromisingasapiezoelectricmaterial
