Structure evolution in hydrothermally processed (<100°C) BaTiO3 films

Elliott B. Slamovich; Ilhan A. Aksay

doi:10.1111/j.1151-2916.1996.tb07904.x

Structure evolution in hydrothermally processed (<100°C) BaTiO₃ films

Elliott B. Slamovich
, Ilhan A. Aksay

Research output: Contribution to journal › Article › peer-review

111 Scopus citations

Abstract

Thin films of cubic BaTiO₃ were processed hydrothermally at 40°-80°C by reacting thin layers of titanium organometallic liquid precursors in aqueous solutions of either Ba(OH)₂ or a mixture of NaOH and BaCl₂. All films (thickness ∼ 1 μ) were polycrystalline with grain sizes ranging from nano- to micrometer dimensions. BaTiO₃ formation was facilitated by increasing [OH^-], [Ba²⁺], and the temperature. The film structure was related to the nucleation and growth behavior of the BaTiO₃ particles. Films processed at relatively low [OH^-], [Ba²⁺], and temperatures were coarse grain and opaque, but increasing [OH^-], [Ba²⁺], and temperature caused the grain size to decrease, resulting in transparent films.

Original language	English (US)
Pages (from-to)	239-247
Number of pages	9
Journal	Journal of the American Ceramic Society
Volume	79
Issue number	1
DOIs	https://doi.org/10.1111/j.1151-2916.1996.tb07904.x
State	Published - Jan 1996

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.1996.tb07904.x

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title = "Structure evolution in hydrothermally processed (<100°C) BaTiO3 films",

abstract = "Thin films of cubic BaTiO3 were processed hydrothermally at 40°-80°C by reacting thin layers of titanium organometallic liquid precursors in aqueous solutions of either Ba(OH)2 or a mixture of NaOH and BaCl2. All films (thickness ∼ 1 μ) were polycrystalline with grain sizes ranging from nano- to micrometer dimensions. BaTiO3 formation was facilitated by increasing [OH-], [Ba2+], and the temperature. The film structure was related to the nucleation and growth behavior of the BaTiO3 particles. Films processed at relatively low [OH-], [Ba2+], and temperatures were coarse grain and opaque, but increasing [OH-], [Ba2+], and temperature caused the grain size to decrease, resulting in transparent films.",

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year = "1996",

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doi = "10.1111/j.1151-2916.1996.tb07904.x",

language = "English (US)",

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T1 - Structure evolution in hydrothermally processed (<100°C) BaTiO3 films

AU - Slamovich, Elliott B.

AU - Aksay, Ilhan A.

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N2 - Thin films of cubic BaTiO3 were processed hydrothermally at 40°-80°C by reacting thin layers of titanium organometallic liquid precursors in aqueous solutions of either Ba(OH)2 or a mixture of NaOH and BaCl2. All films (thickness ∼ 1 μ) were polycrystalline with grain sizes ranging from nano- to micrometer dimensions. BaTiO3 formation was facilitated by increasing [OH-], [Ba2+], and the temperature. The film structure was related to the nucleation and growth behavior of the BaTiO3 particles. Films processed at relatively low [OH-], [Ba2+], and temperatures were coarse grain and opaque, but increasing [OH-], [Ba2+], and temperature caused the grain size to decrease, resulting in transparent films.

AB - Thin films of cubic BaTiO3 were processed hydrothermally at 40°-80°C by reacting thin layers of titanium organometallic liquid precursors in aqueous solutions of either Ba(OH)2 or a mixture of NaOH and BaCl2. All films (thickness ∼ 1 μ) were polycrystalline with grain sizes ranging from nano- to micrometer dimensions. BaTiO3 formation was facilitated by increasing [OH-], [Ba2+], and the temperature. The film structure was related to the nucleation and growth behavior of the BaTiO3 particles. Films processed at relatively low [OH-], [Ba2+], and temperatures were coarse grain and opaque, but increasing [OH-], [Ba2+], and temperature caused the grain size to decrease, resulting in transparent films.

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Structure evolution in hydrothermally processed (<100°C) BaTiO₃ films

Abstract

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