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http://hdl.handle.net/10261/200881
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dc.contributor.author | Chikoidze, Ekaterine | es_ES |
dc.contributor.author | Rogers, David J. | es_ES |
dc.contributor.author | Teherani, Ferechteh H. | es_ES |
dc.contributor.author | Rubio, Carles | es_ES |
dc.contributor.author | Sauthier, Guillaume | es_ES |
dc.contributor.author | Bardeleben, H. J. von | es_ES |
dc.contributor.author | Tchelidze, Tamar | es_ES |
dc.contributor.author | Ton-That, C. | es_ES |
dc.contributor.author | Fellous, Adel | es_ES |
dc.contributor.author | Bove, Philippe | es_ES |
dc.contributor.author | Sandana, Eric V. | es_ES |
dc.contributor.author | Dumont, Yves | es_ES |
dc.contributor.author | Pérez-Tomás, Amador | es_ES |
dc.date.accessioned | 2020-02-17T12:08:04Z | - |
dc.date.available | 2020-02-17T12:08:04Z | - |
dc.date.issued | 2019 | - |
dc.identifier.citation | Materials Today Physics 8: 10-17 (2019) | es_ES |
dc.identifier.issn | 2542-5293 | - |
dc.identifier.uri | http://hdl.handle.net/10261/200881 | - |
dc.description.abstract | Here, we report the analogy of an extremely stable topological-like ultra-wide bandgap insulator, a solid that is a pure insulator in its bulk but has a metallic conductive surface, presenting a two-dimensional conductive channel at its surface that challenges our current thinking about semiconductor conductivity engineering. Nominally undoped epitaxial β-Ga2O3 thin films without any detectable defect (after a range of state-of-the-art techniques) showed the unexpectedly low resistivity of 3 × 10−2 Ωcm which was found to be also resistant to high dose proton irradiation (2 MeV, 5 × 1015cm−2 dose) and was largely invariant (metallic) over the phenomenal temperature range of 2 K up to 850 K. The unique resilience and stability of the electrical properties under thermal and highly ionizing radiation stressing, combined with the extended transparency range (thanks to the ultra-wide bandgap) and the already known toughness under high electrical field could open up new perspectives for use as expanded spectral range transparent electrodes (e.g., for UV harvesting solar cells or UV LEDs/lasers) and robust Ohmic contacts for use in extreme environments/applications and for novel optoelectronic and power device concepts. | es_ES |
dc.description.sponsorship | The authors acknowledge financial support from the Ile de France region (‘NOVATECS’ C'Nano IdF Project No? IF-08-1453. R) and from the French National Research Agency (ANR) as part of the ‘Investissements d’Avenir’ program (Labex charmmmat, ANR-11-LABX-0039-grant). APT acknowledges Agencia Estatal de Investigación (AEI) and Fondo Europeo de Desarrollo Regional under contract ENE2015-74275-JIN. The ICN2 is funded by the Centres de Recerca de Catalunya (CERCA) programme/Generalitat de Catalunya and by the Severo Ochoa programme of the Spanish Ministry of Economy, Industry and Competitiveness (MINECO, grant no. SEV-2013-0295). TT acknowledges Shota Rustaveli National Science Foundation, grant #04/04. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/ENE2015-74275-JIN | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/SEV-2013-0295 | es_ES |
dc.relation.isversionof | Postprint | - |
dc.rights | openAccess | en_EN |
dc.subject | Electron accumulation | es_ES |
dc.subject | Transport properties | es_ES |
dc.subject | Ga2O3 | es_ES |
dc.subject | Wide bandgap insulator | es_ES |
dc.title | Puzzling robust 2D metallic conductivity in undoped β-Ga2O3 thin films | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1016/j.mtphys.2018.11.006 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | https://doi.org/10.1016/j.mtphys.2018.11.006 | es_ES |
dc.contributor.funder | Fédération Île de France de Recherche en Environnement | es_ES |
dc.contributor.funder | Agence Nationale de la Recherche (France) | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | es_ES |
dc.contributor.funder | Generalitat de Catalunya | es_ES |
dc.contributor.funder | Ministerio de Economía, Industria y Competitividad (España) | es_ES |
dc.relation.csic | Sí | es_ES |
oprm.item.hasRevision | no ko 0 false | * |
dc.identifier.funder | http://dx.doi.org/10.13039/501100010198 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100001665 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100002809 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.languageiso639-1 | en | - |
Aparece en las colecciones: | (CIN2) Artículos |
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puzzlifilm.pdf | 880,49 kB | Adobe PDF | Visualizar/Abrir |
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