Mapping the conductivity of graphene with electrical resistance tomography

Cultrera, Alessandro; Serazio, Danilo; Zurutuza, Amaia; Centeno, Alba; Txoperena, Ohiana; Etayo Salinas, David; Cordón, Álvaro; Redo Sánchez, Albert; Arnedo Gil, Israel; Ortolano, Massimo; Callegaro, Luca

doi:10.1038/s41598-019-46713-8

dc.creator	Cultrera, Alessandro	es_ES
dc.creator	Serazio, Danilo	es_ES
dc.creator	Zurutuza, Amaia	es_ES
dc.creator	Centeno, Alba	es_ES
dc.creator	Txoperena, Ohiana	es_ES
dc.creator	Etayo Salinas, David	es_ES
dc.creator	Cordón, Álvaro	es_ES
dc.creator	Redo Sánchez, Albert	es_ES
dc.creator	Arnedo Gil, Israel	es_ES
dc.creator	Ortolano, Massimo	es_ES
dc.creator	Callegaro, Luca	es_ES
dc.date.accessioned	2020-03-06T10:04:35Z
dc.date.available	2020-03-06T10:04:35Z
dc.date.issued	2019
dc.identifier.issn	2045-2322
dc.identifier.uri	https://hdl.handle.net/2454/36434
dc.description.abstract	Electronic applications of large-area graphene films require rapid and accurate methods to map their electrical properties. Here we present the first electrical resistance tomography (ERT) measurements on large-area graphene samples, obtained with a dedicated measurement setup and reconstruction software. The outcome of an ERT measurement is a map of the graphene electrical conductivity. The same setup allows to perform van der Pauw (vdP) measurements of the average conductivity. We characterised the electrical conductivity of chemical-vapour deposited graphene samples by performing ERT, vdP and scanning terahertz time-domain spectroscopy (TDS), the last one by means of a commercial instrument. The measurement results are compared and discussed, showing the potential of ERT as an accurate and reliable technique for the electrical characterization of graphene samples.	en
dc.description.sponsorship	The work is part of the European project 'GRACE–Developing electrical characterisation methods for future graphene electronics', code 16NRM01. This project has received funding from the European Metrology Programme for Innovation and Research (EMPIR) programme co-financed by the Participating States and from the European Union’s Horizon 2020 research and innovation programme.	en
dc.format.extent	9 p.
dc.format.mimetype	application/pdf	en
dc.language.iso	eng	en
dc.publisher	Nature Research	en
dc.relation.ispartof	Scientific Reports, 9 (1): 10655, (2019)	en
dc.rights	© The Author(s) 2019. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.	en
dc.rights.uri	http://creativecommons.org/licenses/by/4.0/
dc.subject	Graphene	en
dc.subject	Electrical resistance tomography	en
dc.title	Mapping the conductivity of graphene with electrical resistance tomography	en
dc.type	info:eu-repo/semantics/article	en
dc.type	Artículo / Artikulua	es
dc.contributor.department	Ingeniería Eléctrica, Electrónica y de Comunicación	es_ES
dc.contributor.department	Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza	eu
dc.rights.accessRights	info:eu-repo/semantics/openAccess	en
dc.rights.accessRights	Acceso abierto / Sarbide irekia	es
dc.identifier.doi	10.1038/s41598-019-46713-8
dc.relation.publisherversion	https://doi.org/10.1038/s41598-019-46713-8
dc.type.version	info:eu-repo/semantics/publishedVersion	en
dc.type.version	Versión publicada / Argitaratu den bertsioa	es

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© The Author(s) 2019. This article is licensed under a Creative Commons Attribution 4.0 International
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