Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/29323
Title: Cationic Diffusion in La2/3Ca1/3MnO3 Thin Films Grown on LaAlO3 (001) Substrates.
Author: Estradé Albiol, Sònia
Arbiol i Cobos, Jordi
Peiró Martínez, Francisca
Abad, Ll.
Laukhin, Vladimir
Balcells i Argemí, Lluís
Martínez Perea, Benjamin
Keywords: Pel·lícules fines
Cations
Propietats magnètiques
Thin films
Cations
Magnetic properties
Issue Date: 2007
Publisher: American Institute of Physics
Abstract: Microstructural features of La2/3Ca1/3MnO3 layers of various thicknesses grown on top of 001 LaAlO3 substrates are studied by using transmission electron microscopy and electron energy loss spectroscopy. Films are of high microstructural quality but exhibit some structural relaxation and mosaicity both when increasing thickness or after annealing processes. The existence of a cationic segregation process of La atoms toward free surface has been detected, as well as a Mn oxidation state variation through layer thickness. La diffusion would lead to a Mn valence change and, in turn, to reduced magnetization.
Note: Reproducció del document publicat a: http://dx.doi.org/10.1063/1.2799740
It is part of: Applied Physics Letters, 2007, vol. 91, p. 252503-1-252503-3
Related resource: http://dx.doi.org/10.1063/1.2799740
URI: http://hdl.handle.net/2445/29323
ISSN: 0003-6951
Appears in Collections:Articles publicats en revistes (Electrònica)

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