Epitaxial thin films of ordered double perovskite Sr2FeMoO6

Epitaxial thin films of Sr2FeMoO6, that are ordered double perovskite with half-metallic nature, have been successfully prepared on SrTiO3 (001) and (111) substrates by pulsed laser deposition in a narrow window of the temperature and oxygen pressure. From the surface morphology analysis for the ato...

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Bibliographic Details
Published in:Applied physics letters 1999-04, Vol.74 (15), p.2215-2217
Main Authors: Manako, Takashi, Izumi, Makoto, Konishi, Yoshinori, Kobayashi, Kei-Ichiro, Kawasaki, Masashi, Tokura, Yoshinori
Format: Article
Language:English
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Summary:Epitaxial thin films of Sr2FeMoO6, that are ordered double perovskite with half-metallic nature, have been successfully prepared on SrTiO3 (001) and (111) substrates by pulsed laser deposition in a narrow window of the temperature and oxygen pressure. From the surface morphology analysis for the atomic scale step-and-terrace structures, the film growth is concluded to take place with the chemical formula as the growth unit when the ordering direction is normal to the surface. The films showed metallic conduction with ferromagnetic transition temperature above 400 K and intergrain tunneling type magnetoresistance even at room temperature.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.123805