Structural Study of Epitaxial BaTiO3 Crystals

Hikaru Terauchi; Yukiho Watanabe; Hirofumi Kasatani; Kosei Kamigaki; Yoshihiko Yano; Takahito Terashima; Yoshichika Bando

doi:10.1143/JPSJ.61.2194

Journal of the Physical Society of Japan

Online ISSN : 1347-4073
Print ISSN : 0031-9015
ISSN-L : 0031-9015

Structural Study of Epitaxial BaTiO₃ Crystals

Hikaru Terauchi, Yukiho Watanabe, Hirofumi Kasatani, Kosei Kamigaki, Yoshihiko Yano, Takahito Terashima, Yoshichika Bando

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Keywords: BaTiO₃ film, epitaxial crystal, X-ray diffraction

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1992 Volume 61 Issue 7 Pages 2194-2197

DOI https://doi.org/10.1143/JPSJ.61.2194

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Abstract

Epitaxial crystals of BaTiO₃ with the thicknesses of 67 Å, 230 Å, 600 Å and 1500 Å were grown on SrTiO₃ substrates by activated reactive evaporation. The tetragonality of the crystal decreases with increasing thickness and remains in the temperature range of 15 K to 670 K. The epitaxial effect is discussed in terms of a critical thickness, as well as of a surface layer of fine particles.

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