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Effect of heat treatment on microstructure of BaTiO3 solidified by aerodynamic levitator
- Lee, Chi-Hoon;
- Lee, Ki-Ju;
- Kim, Hyung Giun;
- Lim, Sung Hwan;
- Kumar, M. S. Vijaya;
- 외 2명
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1초록
BaTiO3 was solidified using an aerodynamic levitator. The effect of heat treatment on microstructure of BaTiO3 was investigated. Domain walls with a width of similar to 400 nm were observed in the BaTiO3 grains. The composition shift from stoichiometric BaTiO3 to a Ti- or TiO2-rich composition was attributed to the evaporation of BaO. Ti-rich Ba6Ti17O40 was formed by a reaction with excess TiO2 and BaTiO3 during heat treatment at 1000 degrees C. A diffuse-interface was observed, indicating that Ba6Ti17O40 had formed by atomic diffusion.
키워드
Aerodynamic levitation; BaTiO3; domain; Ba6Ti17O40; Transmission electron microscopy; BARIUM-TITANATE CERAMICS; DIELECTRIC-PROPERTIES; OXIDE SYSTEM; BA6TI17O40; TIO2
- 제목
- Effect of heat treatment on microstructure of BaTiO3 solidified by aerodynamic levitator
- 저자
- Lee, Chi-Hoon; Lee, Ki-Ju; Kim, Hyung Giun; Lim, Sung Hwan; Kumar, M. S. Vijaya; Yoda, Shinichi; Cho, Won-Seung
- 발행일
- 2016-02
- 유형
- Article
- 권
- 17
- 호
- 2
- 페이지
- 97 ~ 102
- 언어
- ENG
- 출판사
- KOREAN ASSOC CRYSTAL GROWTH, INC
- 발행국가
- 대한민국
- 분량
- 6 페이지
- ISSN
- E 2672-152X
P 1229-9162