Tin O2n-1 Magnéli phases studied using density functional theory

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Autor(es): dc.contributorUniversidade Federal do ABC (UFABC)-
Autor(es): dc.contributorInstituto de Física, Universidad de Antioquia UdeA-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorPadilha, A. C.M.-
Autor(es): dc.creatorOsorio-Guillén, J. M.-
Autor(es): dc.creatorRocha, A. R.-
Autor(es): dc.creatorDalpian, G. M.-
Data de aceite: dc.date.accessioned2025-08-21T17:51:09Z-
Data de disponibilização: dc.date.available2025-08-21T17:51:09Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2014-07-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1103/PhysRevB.90.035213-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/227841-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/227841-
Descrição: dc.descriptionDefects in the rutile TiO2 structures have been extensively studied, but the intrinsic defects of the oxygen-deficient TinO2n-1 phases have not been given the same amount of consideration. Those structures, known as Magnéli phases, are characterized by the presence of ordered planes of oxygen vacancies, also known as shear planes, and it has been shown that they form conducting channels inside TiO-based memristor devices. Memristors are excellent candidates for a new generation of memory devices in the electronics industry. In this paper we present density-functional-theory-based electronic structure calculations for TinO2n-1 Magnéli structures using PBESol+U (0≤U≤5 eV) and Heyd-Scuseria-Ernzerhof functionals, showing that intrinsic defects present in these structures are responsible for the appearance of states inside the band gap, which can act as intrinsic dopants for the enhanced conductivity of TiO2 memristive devices. © 2014 American Physical Society.-
Descrição: dc.descriptionCentro de Ciências Naturais e Humanas, Universidade Federal Do ABC, Santo-André, SP-
Descrição: dc.descriptionInstituto de Física, Universidad de Antioquia UdeA, Calle 70 No. 52-51, Medellín-
Descrição: dc.descriptionInstituto de Física Teórica, Universidade Estadual Paulista, São Paulo, SP-
Descrição: dc.descriptionInstituto de Física Teórica, Universidade Estadual Paulista, São Paulo, SP-
Idioma: dc.languageen-
Relação: dc.relationPhysical Review B - Condensed Matter and Materials Physics-
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Título: dc.titleTin O2n-1 Magnéli phases studied using density functional theory-
Tipo de arquivo: dc.typelivro digital-
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