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A novel mosaic-like structure in SrTiO3 thin films on a Pt(001) surface revealed by transmission electron microscopy

Published online by Cambridge University Press:  31 January 2011

S. Takeno ,
S. Nakamura ,
K. Abe  and
S. Komatsu
S. Takeno
Affiliation:
Environmental Engineering Lab., R/D Center, Toshiba Corp., 1 Komukai Toshiba-cho, Saiwai-ku, Kawasaki 210, Japan
S. Nakamura
Affiliation:
Environmental Engineering Lab., R/D Center, Toshiba Corp., 1 Komukai Toshiba-cho, Saiwai-ku, Kawasaki 210, Japan
K. Abe
Affiliation:
Materials & Devices Labs., R/D Center, Toshiba Corp., 1 Komukai Toshiba-cho, Saiwai-ku, Kawasaki 210, Japan
S. Komatsu
Affiliation:
Materials & Devices Labs., R/D Center, Toshiba Corp., 1 Komukai Toshiba-cho, Saiwai-ku, Kawasaki 210, Japan
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Abstract

A novel mosaic-like structure in SrTiO3 thin films was discovered and characterized by means of transmission electron microscopy (TEM). The films were deposited on a (001) oriented Pt surface. The orientation relationship between SrTiO3 film and Pt substrate was determined, and four types of growth modes were revealed. These four growth modes formed four types of domains, respectively, and these domains and Pt formed peculiarly ordered interfacial structures, i.e., near coincidence site lattices. Antiphase boundaries between two adjacent domains were also observed by high-resolution imaging.

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Type
Articles
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Journal of Materials Research , Volume 11 , Issue 11 , November 1996 , pp. 2777 - 2784
Copyright
Copyright © Materials Research Society 1996

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References

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