Piezo and pyroelectricity in electrets : caused by charges, dipoles, or both?

Sessler, Gerhard M.; Das-Gupta, Dilip K.; deReggi, Aimé S.; Eisenmenger, Wolfgang; Furukawa, Takeo; Giacometti, José A.; Gerhard-Multhaupt, Reimund

Piezo and pyroelectricity in electrets : caused by charges, dipoles, or both?

dc.contributor.author	Sessler, Gerhard M.	de
dc.contributor.author	Das-Gupta, Dilip K.	de
dc.contributor.author	deReggi, Aimé S.	de
dc.contributor.author	Eisenmenger, Wolfgang	de
dc.contributor.author	Furukawa, Takeo	de
dc.contributor.author	Giacometti, José A.	de
dc.contributor.author	Gerhard-Multhaupt, Reimund	de
dc.date.accessioned	2010-10-18	de
dc.date.accessioned	2016-03-31T08:36:12Z
dc.date.available	2010-10-18	de
dc.date.available	2016-03-31T08:36:12Z
dc.date.issued	1992	de
dc.description.abstract	In a homogeneous medium space charges cannot cause piezo or pyroeiectricity. If stressed, there will be affine geometrical changes throughout the medium, and therefore the induction charges on the electrodes will remain the same, and piezoelectricity cannot be generated. However, if dipoles are present in such a homogeneous dielectric, then piezoelectricity is possible. In an inhomogeneous medium such as a semicrystalline polymer, charges and dipoles can cause piezoelectricity. If you have, for instance, a semicrystalline polymer then the crystalline and the amorphous parts are, upon compression, subjected to different degrees of deformation; and for this reason, a piezoelectric effect can be generated.	en
dc.identifier.other	347944574	de
dc.identifier.uri	http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-56394	de
dc.identifier.uri	http://elib.uni-stuttgart.de/handle/11682/5003
dc.identifier.uri	http://dx.doi.org/10.18419/opus-4986
dc.language.iso	en	de
dc.rights	info:eu-repo/semantics/openAccess	de
dc.subject.classification	Pyroelektrizität , Piezoelektrizität , Elektret	de
dc.subject.ddc	530	de
dc.title	Piezo and pyroelectricity in electrets : caused by charges, dipoles, or both?	en
dc.type	article	de
ubs.fakultaet	Fakultät Mathematik und Physik	de
ubs.fakultaet	Fakultätsübergreifend / Sonstige Einrichtung	de
ubs.institut	1. Physikalisches Institut	de
ubs.institut	Sonstige Einrichtung	de
ubs.opusid	5639	de
ubs.publikation.source	IEEE transactions on electrical insulation 27 (1992), S. 872-897	de
ubs.publikation.typ	Zeitschriftenartikel	de

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