Preparation and crystal structure of BaTiO_3 thin film on LaAlO_3 substrates by a coating-pyrolysis process

Seungwon Kim; T. Manabe; I. yamaguchi

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Preparation and crystal structure of BaTiO_3 thin film on LaAlO_3 substrates by a coating-pyrolysis process

机译：涂层热解法在LaAlO_3衬底上制备BaTiO_3薄膜及其晶体结构

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An epitaxial BaTiO_3 thin film was prepared on LaAlO_3 substrates using metal naphthenates by coating-pyrolysis (CP) process. The amorphous films pyrolyzed were crystallized by heat treatment under low oxygen partial pressure at 950 deg. C. Crystallinity, epitaxy, and crystal structure of the BaTiO_3 thin film on the LaAlO_3 subtrates were measured by XRD θ/2θ Scna, βscan and reciprocal space map. The epitaxial BaTiO_3 thin film on the LaAlO_3 substrates showed α-domain of Tetragonal phase with lattice constants of α┵0.3997 nm and α_‖=0.4037 nm. The surface of the epitaxial BaTiO_3 thin Film on the LaAlO_3 substrates consisted of round-shaped grains of diameter about 0.1 μm.

机译：利用金属环烷酸盐通过涂覆热解（CP）工艺在LaAlO_3衬底上制备了外延BaTiO_3薄膜。通过在低氧分压下在950度下进行热处理，使热解的非晶膜结晶。 C.通过XRDθ/2θScna，βscan和倒数空间图测量LaAlO_3衬底上BaTiO_3薄膜的结晶度，外延和晶体结构。 LaAlO_3衬底上的外延BaTiO_3薄膜具有四方晶相的α域，晶格常数为α┵0.3997nm和α_‖= 0.4037 nm。 LaAlO_3衬底上的外延BaTiO_3薄膜的表面由直径约为0.1μm的圆形晶粒组成。

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来源
《Materials Letters》 |2002年第3期|p.169-172|共4页
作者
Seungwon Kim; T. Manabe; I. yamaguchi;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
BaTiO_3; LaAlO_3; Thin film; Tetragonal coating-pyrolysis;

机译：BaTiO_3;LaAlO_3;薄膜;四方涂层热解;

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Preparation and crystal structure of BaTiO_3 thin film on LaAlO_3 substrates by a coating-pyrolysis process

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