Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces

The phenomenological theory for the polar instability giving rise to a two-dimensional electron gas at perovskite interfaces is hereby extended to include the coupling to perovskite tilts. A Landau theory for homogeneous tilts is first explored, setting the scene for the further, more realistic Land...

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Detalles Bibliográficos
Autores: Bennett, Daniel, Aguado Puente, Pablo, Artacho, Emilio, Bristowe, Nicholas C.
Tipo de recurso: artículo
Fecha de publicación:2022
País:España
Institución:Universidad de Cantabria (UC)
Repositorio:UCrea Repositorio Abierto de la Universidad de Cantabria
Idioma:inglés
OAI Identifier:oai:repositorio.unican.es:10902/31591
Acceso en línea:https://hdl.handle.net/10902/31591
Access Level:acceso abierto
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spelling Coupling between tilts and charge carriers at polar-nonpolar perovskite interfacesBennett, DanielAguado Puente, PabloArtacho, EmilioBristowe, Nicholas C.The phenomenological theory for the polar instability giving rise to a two-dimensional electron gas at perovskite interfaces is hereby extended to include the coupling to perovskite tilts. A Landau theory for homogeneous tilts is first explored, setting the scene for the further, more realistic Landau-Ginzburg theory describing varying tilt amplitudes across a thin film. The theory is also generalized to account for the response to an applied electric field normal to the interface, which allows a finer control on phase transitions. The conventionally described physics of a single metal-insulator transition is substantially enriched by the coupling, the model describing various scenarios with one or two transitions, possibly continuous or discontinuous. First-principles calculations permit the estimation of the parameters defining the model, which have been calculated for the interface between lanthanum aluminate and strontium titanate.D.B. would like to acknowledge funding from the EPSRC Centre for Doctoral Training in Computational Methods for Materials Science under Grant No. EP/L015552/1, St. John's College (University of Cambridge), and the University of Liége under special funds for research (IPD-STEMA fellowship programme). P.A.P. would like to acknowledge funding from the Diputación Foral de Gipuzkoa through Grant No. 2020-FELL-000005-01. Funding from the Spanish MICIN is also acknowledged, through Grant No. PID2019-107338RB-C61/AEI/10.13039/501100011033, as well as a María de Maeztu award to Nanogune, Grant No. CEX2020-001038-M funded by MCIN/AEI/10.13039/501100011033.American Physical SocietyUniversidad de Cantabria20222022-09-01journal articlehttp://purl.org/coar/resource_type/c_6501NAhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43info:eu-repo/semantics/articlehttps://hdl.handle.net/10902/31591Physical Review B, 2022, 106(9), 094106reponame:UCrea Repositorio Abierto de la Universidad de Cantabriainstname:Universidad de Cantabria (UC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:repositorio.unican.es:10902/315912026-06-02T12:39:31Z
dc.title.none.fl_str_mv Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
title Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
spellingShingle Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
Bennett, Daniel
title_short Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
title_full Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
title_fullStr Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
title_full_unstemmed Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
title_sort Coupling between tilts and charge carriers at polar-nonpolar perovskite interfaces
dc.creator.none.fl_str_mv Bennett, Daniel
Aguado Puente, Pablo
Artacho, Emilio
Bristowe, Nicholas C.
author Bennett, Daniel
author_facet Bennett, Daniel
Aguado Puente, Pablo
Artacho, Emilio
Bristowe, Nicholas C.
author_role author
author2 Aguado Puente, Pablo
Artacho, Emilio
Bristowe, Nicholas C.
author2_role author
author
author
dc.contributor.none.fl_str_mv Universidad de Cantabria
description The phenomenological theory for the polar instability giving rise to a two-dimensional electron gas at perovskite interfaces is hereby extended to include the coupling to perovskite tilts. A Landau theory for homogeneous tilts is first explored, setting the scene for the further, more realistic Landau-Ginzburg theory describing varying tilt amplitudes across a thin film. The theory is also generalized to account for the response to an applied electric field normal to the interface, which allows a finer control on phase transitions. The conventionally described physics of a single metal-insulator transition is substantially enriched by the coupling, the model describing various scenarios with one or two transitions, possibly continuous or discontinuous. First-principles calculations permit the estimation of the parameters defining the model, which have been calculated for the interface between lanthanum aluminate and strontium titanate.
publishDate 2022
dc.date.none.fl_str_mv 2022
2022-09-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
NA
http://purl.org/coar/version/c_be7fb7dd8ff6fe43
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/10902/31591
url https://hdl.handle.net/10902/31591
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv Physical Review B, 2022, 106(9), 094106
reponame:UCrea Repositorio Abierto de la Universidad de Cantabria
instname:Universidad de Cantabria (UC)
instname_str Universidad de Cantabria (UC)
reponame_str UCrea Repositorio Abierto de la Universidad de Cantabria
collection UCrea Repositorio Abierto de la Universidad de Cantabria
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300719

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