Evidence of a minoritary monoclinic LaNiO<sub>2.5</sub> phase in lanthanum nickelate thin films

dc.contributor.author
López Conesa, Lluís
dc.contributor.author
Rebled, J. M. (José Manuel)
dc.contributor.author
Pesquera, David
dc.contributor.author
Dix, Nico
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Sánchez Barrera, Florencio
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Herranz Casabona, Gervasi
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Fontcuberta, Josep
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Magén, César
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Casanove, Marie Jose
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Estradé Albiol, Sònia
dc.contributor.author
Peiró Martínez, Francisca
dc.date.issued
2019-02-13T11:18:28Z
dc.date.issued
2019-02-13T11:18:28Z
dc.date.issued
2017-03-07
dc.date.issued
2019-02-13T11:18:28Z
dc.identifier
1463-9076
dc.identifier
https://hdl.handle.net/2445/128199
dc.identifier
670895
dc.identifier
28317997
dc.description.abstract
LaNiO3 (LNO) thin films of 14 nm and 35 nm thicknesses grown epitaxially on LaAlO3 (LAO) and (LaAlO3)0.3(Sr2TaAlO6)0.7 (LSAT) substrates are studied using High Resolution Transmission Electron Microscopy (HRTEM) and High Angle Annular Dark Field (HAADF) imaging. The strain state of the films is studied using Geometric Phase Analysis (GPA). Results show the successful in-plane adaptation of the films to the substrates, both in the compressive (LAO) and tensile (LSAT) cases. Through the systematic analysis of HRTEM superstructure contrast modulation along different crystal orientations, localized regions of the monoclinic LaNiO2.5 phase are detected in the 35 nm films.
dc.format
6 p.
dc.format
application/pdf
dc.language
eng
dc.publisher
Royal Society of Chemistry
dc.relation
Versió postprint del document publicat a: https://doi.org/10.1039/c7cp00902j
dc.relation
Physical Chemistry Chemical Physics, 2017, vol. 19, num. 13, p. 9137-9142
dc.relation
https://doi.org/10.1039/c7cp00902j
dc.rights
(c) López Conesa, Lluís et al., 2017
dc.rights
info:eu-repo/semantics/openAccess
dc.source
Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)
dc.subject
Ciència dels materials
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Cristal·lografia
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Pel·lícules fines
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Òxids metàl·lics
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Estructura electrònica
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Materials science
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Crystallography
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Thin films
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Metallic oxides
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Electronic structure
dc.title
Evidence of a minoritary monoclinic LaNiO<sub>2.5</sub> phase in lanthanum nickelate thin films
dc.type
info:eu-repo/semantics/article
dc.type
info:eu-repo/semantics/acceptedVersion


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