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Preparation of epitaxial Fe3−xO4 films by dipping-pyrolysis process using CO−CO2 gas mixtures

Published online by Cambridge University Press:  31 January 2011

I. Yamaguchi ,
T. Manabe ,
T. Kumagai ,
W. Kondo ,
S. Mizuta  and
T. Manago
I. Yamaguchi
Affiliation:
National Institute of Materials and Chemical Research, 1–1 Higashi, Tsukuba, Ibaraki 305–8565, Japan
T. Manabe
Affiliation:
National Institute of Materials and Chemical Research, 1–1 Higashi, Tsukuba, Ibaraki 305–8565, Japan
T. Kumagai
Affiliation:
National Institute of Materials and Chemical Research, 1–1 Higashi, Tsukuba, Ibaraki 305–8565, Japan
W. Kondo
Affiliation:
National Institute of Materials and Chemical Research, 1–1 Higashi, Tsukuba, Ibaraki 305–8565, Japan
S. Mizuta
Affiliation:
National Institute of Materials and Chemical Research, 1–1 Higashi, Tsukuba, Ibaraki 305–8565, Japan
T. Manago
Affiliation:
Department of Physics, Keio University, 3–14–1 Hiyoshi, Kohoku, Yokohama 223–0061, Japan
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Abstract

Epitaxially grown Fe3−xO4 films were prepared on MgO(001) substrates by dipping-pyrolysis process using CO–CO2 gas mixtures. The structure and in-plane alignment of these films were examined by x-ray diffraction θ-2θ scans, β scans (pole figures), and asymmetric ω-2θ scans (reciprocal-space maps). The films heattreated at 500 °C and higher in an atmosphere with pCO/pCO2 = 10−4 had a spinel-type structure and were in an epitaxial (cube on cube) relationship with the substrates.

Type
Articles
Information
Journal of Materials Research , Volume 13 , Issue 4 , April 1998 , pp. 935 - 938
Copyright
Copyright © Materials Research Society 1998

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References

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