期刊
JOURNAL OF CRYSTAL GROWTH
卷 263, 期 1-4, 页码 406-411出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jcrysgro.2003.12.001
关键词
mist plasma evaporation; perovskites; ferroelectric materials
Conductive LaNiO3 thin films were prepared on Si substrate by mist plasma evaporation and were used as bottom electrodes for BaTiO3 thin films. The structure and electrical properties of BaTiO3 thin films deposited on the metallic LaNiO3 and Pt electrodes were comparatively investigated. The structure of BaTiO3 film on LaNiO3/Si substrate was pseudocubic due to the lattice-matching growth, while the perovskite structure of the film on Pt/Ti/Si substrate was tetragonal. The dielectric constant of BaTiO3 films with LaNiO3 electrode was 167 at 100 kHz, and was smaller than that grown on the Pt electrode. (C) 2004 Elsevier B.V. All rights reserved.
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