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dc.contributor.author
Simion, Cristian Eugen
dc.contributor.author
Schipani, Federico
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Papadogianni, Alexandra
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Stanoiu, Adelina
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Budde, Melanie
dc.contributor.author
Oprea, Alexandru
dc.contributor.author
Weimar, Udo
dc.contributor.author
Bierwagen, Oliver
dc.contributor.author
Barsan, Nicolae
dc.date.available
2020-12-29T16:31:00Z
dc.date.issued
2019-09
dc.identifier.citation
Simion, Cristian Eugen; Schipani, Federico; Papadogianni, Alexandra; Stanoiu, Adelina; Budde, Melanie; et al.; Conductance model for single-crystalline/compact metal oxide gas-sensing layers in the nondegenerate limit: Example of epitaxial SnO2(101); American Chemical Society; ACS Sensors; 4; 9; 9-2019; 2420-2428
dc.identifier.issn
2379-3694
dc.identifier.uri
http://hdl.handle.net/11336/121278
dc.description.abstract
Semiconducting metal oxide (SMOX)-based gas sensors are indispensable for safety and health applications, for example, explosive, toxic gas alarms, controls for intake into car cabins, and monitor for industrial processes. In the past, the sensor community has been studying polycrystalline materials as sensors where the porous and random microstructure of the SMOX does not allow a separation of the phenomena involved in the sensing process. This led to conduction models that can model and predict the behavior of the overall response, but they were not capable of giving fundamental information regarding the basic mechanisms taking place. The study of epitaxial layers is a definite improvement, allowing clarifying the different aspects and contributions of the sensing mechanisms. A detailed analytical model of the transduction function for n-A nd p-type single-crystalline/compact metal oxide gas sensors was developed that directly relates the conductance of the sample with changes in the surface electrostatic potential. Combined dc resistance and work function measurements were used in a compact SnO2(101) layer in operando conditions that allowed us to check the validity of our model in the region where Boltzmann approximation holds to determine the surface and bulk properties of the material.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Chemical Society
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Compact layers
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Epitaxial SnO2
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Single-crystalline
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Conduction model
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SMOX
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Gas sensor
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Física de los Materiales Condensados
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
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Otras Ingeniería de los Materiales
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
Conductance model for single-crystalline/compact metal oxide gas-sensing layers in the nondegenerate limit: Example of epitaxial SnO2(101)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-11-27T18:29:07Z
dc.journal.volume
4
dc.journal.number
9
dc.journal.pagination
2420-2428
dc.journal.pais
Estados Unidos
dc.journal.ciudad
New York
dc.description.fil
Fil: Simion, Cristian Eugen. Institut de Physique Des Matériaux, Bucarest-magurele; Rumania
dc.description.fil
Fil: Schipani, Federico. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones en Ciencia y Tecnología de Materiales. Universidad Nacional de Mar del Plata. Facultad de Ingeniería. Instituto de Investigaciones en Ciencia y Tecnología de Materiales; Argentina
dc.description.fil
Fil: Papadogianni, Alexandra. Paul Drude Institut Fur Festkorperelektronik; Alemania
dc.description.fil
Fil: Stanoiu, Adelina. Institut de Physique Des Matériaux, Bucarest-magurele; Rumania
dc.description.fil
Fil: Budde, Melanie. Paul Drude Institut Fur Festkorperelektronik; Alemania
dc.description.fil
Fil: Oprea, Alexandru. Universität Tübingen; Alemania
dc.description.fil
Fil: Weimar, Udo. Universität Tübingen; Alemania
dc.description.fil
Fil: Bierwagen, Oliver. Paul Drude Institut Fur Festkorperelektronik; Alemania
dc.description.fil
Fil: Barsan, Nicolae. Universität Tübingen; Alemania
dc.journal.title
ACS Sensors
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1021/acssensors.9b01018
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://pubs.acs.org/doi/10.1021/acssensors.9b01018
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