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dc.contributor.authorRæder, Trygve Magnus
dc.contributor.authorHanke, Ulrik
dc.contributor.authorHalvorsen, Einar
dc.contributor.authorGrande, Tor
dc.date.accessioned2020-10-22T08:52:06Z
dc.date.available2020-10-22T08:52:06Z
dc.date.created2020-09-10T15:09:19Z
dc.date.issued2020
dc.identifier.citationSmart materials and structures (Print). 2020, 29 .en_US
dc.identifier.issn0964-1726
dc.identifier.urihttps://hdl.handle.net/11250/2684385
dc.description.abstractInterdigitated electrodes (IDEs) on dielectric films is an important electrode design in electrical components such as transducers and sensors. Further development and use of IDEs for characterization of the in-plane properties of dielectric films requires models for the capacitance, particularly when used in a multilayer stack. Previous models for the capacitance have permitted erroneous boundary conditions between layers with associated limitations to accuracy. In this work we present a new model based on fulfilling the boundary conditions between layers with different dielectric constant. We further demonstrate how the model can be used to calculate the in-plane dielectric constant and polarization of BaTiO3 films. The model is shown to outperform previous models using both the experimental data from BaTiO3 films on SrTiO3 substrates and finite element method simulations of the corresponding case. One important advantage compared to previous work is that the new model provides good results regardless of film thickness.en_US
dc.language.isoengen_US
dc.publisherIOP Publishingen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleA unified approach for the calculation of in-plane dielectric constant of films with interdigitated electrodesen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.source.pagenumber8en_US
dc.source.volume29en_US
dc.source.journalSmart materials and structures (Print)en_US
dc.identifier.doihttps://doi.org/10.1088/1361-665X/abb4b9
dc.identifier.cristin1828807
dc.relation.projectNorges forskningsråd: 245963en_US
dc.relation.projectNorges forskningsråd: 273248en_US
dc.description.localcodeOriginal Content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOIen_US
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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