Effect of the capping on the local Mn oxidation state in buried (001) and (110) SrTiO3/La2/3Ca1/3MnO3 interfaces

dc.contributor.author
Estradé Albiol, Sònia
dc.contributor.author
Rebled, J. M. (José Manuel)
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Walls, M.
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Peña, F. de la
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Colliex, C.
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Córdoba, R.
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Infante, I. C.
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Herranz Casabona, Gervasi
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Sánchez Barrera, Florencio
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Fontcuberta i Griñó, Josep
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Peiró Martínez, Francisca
dc.date.issued
2012-10-11T10:46:20Z
dc.date.issued
2012-10-11T10:46:20Z
dc.date.issued
2011
dc.date.issued
2012-10-11T10:46:20Z
dc.identifier
0021-8979
dc.identifier
https://hdl.handle.net/2445/32278
dc.identifier
601106
dc.description.abstract
The electronic stability of (001) and (110) surfaces of La2/3Ca1/3MnO3 (LCMO) capped with nanometric SrTiO3 (STO) layers in epitaxial heterostructures is addressed by (S)TEM electron energy loss spectroscopy. It is found that growth of STO on (001)LCMO promotes a significant electron doping of LCMO that extends a few nanometers deep into the film. In contrast, (110)LCMO appears to be electronically more robust and no electronic reordering has been observed. These results are in clear correlation with the distinct magnetic properties observed in those interfaces and illustrate that complex chemical phenomena take place at interfaces among multivalent oxides. VC 2011 American Institute of Physics.
dc.format
5 p.
dc.format
application/pdf
dc.language
eng
dc.publisher
American Institute of Physics
dc.relation
Reproducció del document publicat a: http://dx.doi.org/10.1063/1.3660786
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Journal of Applied Physics, 2011, num. 110, p. 103903-1-103903-5
dc.relation
http://dx.doi.org/10.1063/1.3660786
dc.rights
(c) American Institute of Physics , 2011
dc.rights
info:eu-repo/semantics/openAccess
dc.source
Articles publicats en revistes (Enginyeria Electrònica i Biomèdica)
dc.subject
Espectroscòpia de pèrdua d'energia d'electrons
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Propietats magnètiques
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Nanociència
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Compostos inorgànics
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Electron energy loss spectroscopy
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Magnetic properties
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Nanoscience
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Inorganic compounds
dc.title
Effect of the capping on the local Mn oxidation state in buried (001) and (110) SrTiO3/La2/3Ca1/3MnO3 interfaces
dc.type
info:eu-repo/semantics/article
dc.type
info:eu-repo/semantics/publishedVersion


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