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Title: Screen printed La2/3Sr1/3MnO3 thick films on alumina substrates
Author: Durand, L.
Balcells i Argemí, Lluís
Calleja Lázaro, Alberto
Fontcuberta i Griñó, Josep
Obradors, Xavier
Keywords: Ciència dels materials
Materials science
Issue Date: 1998
Publisher: Materials Research Society
Abstract: We report here on the preparation of La2/3Sr1/3MnO3 magnetoresistive thick films on polycrystalline Al2O3 substrates by using the screen printing technique. It is shown that films can be obtained using high temperature sintering. While there is a reacted layer, this improves adhesion and is not too troublesome if the films are made thick enough. It is shown that PbO-B2O3-SiO2 glass additives allow sintering at lower temperatures and can be used to improve the mechanical stress of the films. However, it is found that glass concentrations large enough to significantly improve the film adherence result in a weak low field magnetoresistance probably because grains are coated with high resistivity material. Strategies to overcome these difficulties are discussed.
Note: Reproducció del document original publicat a:
It is part of: Journal of Materials Research, 1998, vol. 13, núm. 9, p. 2623-2631
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ISSN: 0884-2914
Appears in Collections:Articles publicats en revistes (Ciència dels Materials i Química Física)

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