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Influence of Interface on the Charge Carrier ...
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Document type :
Article dans une revue scientifique: Article original
DOI :
10.1021/acsaelm.1c00365
Permalink :
http://hdl.handle.net/20.500.12210/61372
Title :
Influence of Interface on the Charge Carrier Mobility of La<sub>2<\/sub>Ti<sub>2<\/sub>O<sub>7<\/sub> Layered Perovskite Thin Films Measured by the Time-of-Flight Method
Author(s) :
Leroy, Sebastien [Auteur]
Douali, Redouane [Auteur]
Legrand, Christian [Auteur]
Krasinski, Freddy [Auteur]
Blanchard, Florent [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Roussel, Pascal [Auteur] orcid refId
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Saitzek, Sebastien [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Blach, Jean-Francois [Auteur]
Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Journal title :
Acs Applied Electronic Materials
Abbreviated title :
ACS Appl. Electron. Mater
Volume number :
3
Pages :
3167-3176
Publisher :
American Chemical Society
Publication date :
2021-07-27
ISSN :
2637-6113
HAL domain(s) :
Chimie/Matériaux
English abstract : [en]
We report the electrical characterizations of La<sub>2<\/sub>Ti<sub>2<\/sub>O<sub>7<\/sub> thin films synthetized by pulsed laser deposition. We observe a significant change in I\u2013V curve in the presence of UV light. ...
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We report the electrical characterizations of La<sub>2<\/sub>Ti<sub>2<\/sub>O<sub>7<\/sub> thin films synthetized by pulsed laser deposition. We observe a significant change in I\u2013V curve in the presence of UV light. The conduction mechanism can be described by two regimes: ohmic at low voltage and space charge limited conduction for higher voltage. Finally, for the first time to our knowledge, the charge carrier mobility of this material is studied; we use the time-of-flight method to investigate this property. We explain the evolution of the carrier mobility with the applied voltage by the presence of a depletion layer between the film and the gold contact, which affects the measurements.Show less >
Language :
Anglais
Audience :
Internationale
Popular science :
Non
Administrative institution(s) :
CNRS
Centrale Lille
ENSCL
Univ. Artois
Université de Lille
Collections :
  • Unité de Catalyse et Chimie du Solide (UCCS) - UMR 8181
Research team(s) :
Couches minces & nanomatériaux (CMNM)
Matériaux inorganiques, structures, systèmes et propriétés (MISSP)
Submission date :
2022-03-08T13:50:51Z
Université de Lille

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