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Preparation of epitaxial La1−xSrxMnO3 films on SrTiO3(001) by dipping-pyrolysis process

Published online by Cambridge University Press:  31 January 2011

T. Manabe ,
I. Yamaguchi ,
W. Kondo ,
S. Mizuta  and
T. Kumagai
T. Manabe
Affiliation:
National Institute of Materials and Chemical Research, Higashi 1-1, Tsukuba, Ibaraki 305, Japan
I. Yamaguchi
Affiliation:
National Institute of Materials and Chemical Research, Higashi 1-1, Tsukuba, Ibaraki 305, Japan
W. Kondo
Affiliation:
National Institute of Materials and Chemical Research, Higashi 1-1, Tsukuba, Ibaraki 305, Japan
S. Mizuta
Affiliation:
National Institute of Materials and Chemical Research, Higashi 1-1, Tsukuba, Ibaraki 305, Japan
T. Kumagai
Affiliation:
National Institute of Materials and Chemical Research, Higashi 1-1, Tsukuba, Ibaraki 305, Japan
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Abstract

La1−xSrxMnO3 (LSMO) (x = 0−0.3) films were prepared on SrTiO3(001) substrates by the dipping-pyrolysis process using metal naphthenates as starting materials. Epitaxially grown LSMO films were obtained by heat treatment at 800–1200 °C; the fluctuation of alignment of these films, evaluated by reciprocal-space mapping of asymmetric x-ray diffraction, was markedly small, as comparable to that of the substrates. The LSMO films with x = 0.1−0.3 showed metallic conduction behavior at 25–300 K, and the resistivity was as low as that of LSMO single crystals, e.g., 4.5 × 10−4 Ω · cm at 150 K for the film with x = 0.3.

Type
Articles
Information
Journal of Materials Research , Volume 12 , Issue 2 , February 1997 , pp. 541 - 545
Copyright
Copyright © Materials Research Society 1997

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References

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