Chemistry of the alkoxy-derived precursor solutions for layer-structured perovskite thin films

Kazumi Kato, Can Zheng, Sandwip Dey, Yasuyoshi Torii

Research output: Chapter in Book/Report/Conference proceedingChapter

17 Citations (Scopus)

Abstract

Precursors for layer-structured perovskite thin films of SrBi 2Ta 2O 9, or SBT, and SrBi 2Nb 2O 9, or SBN were prepared by the reactions of a Sr-Bi double methoxyethoxide and Ta and/or Nb methoxyethoxide in methoxyethanol, followed by partial hydrolysis. Several analytical techniques such as 1H-, 13C- and 93Nb-NMR and FT-IR were used to determine the arrangement of the metals and oxygen in the precursor molecules. The precursors contain Sr-O-M (M; Ta or Nb) bonds (i.e., a Sr connects two MO 6 octahedra), and Sr-O-Bi bonds with Bi atom bonded to the MO 6 octahedron. This structure is similar to the layer-structured perovskite crystal sub-lattice. This is the origin of the low temperature crystallization.

Original languageEnglish (US)
Title of host publicationIntegrated Ferroelectrics
Pages225-235
Number of pages11
Volume18
Edition1-4
StatePublished - 1998

Fingerprint

Perovskite
chemistry
Thin films
thin films
Crystallization
Crystal lattices
hydrolysis
Hydrolysis
Metals
Nuclear magnetic resonance
crystallization
Oxygen
Atoms
nuclear magnetic resonance
Crystals
Molecules
oxygen
metals
crystals
atoms

Keywords

  • Molecular structure of precursors
  • Sol-gel processing
  • SrBi Ta O -SrBi Nb O
  • Sub-lattice of layer-structured perovskite

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy (miscellaneous)
  • Condensed Matter Physics

Cite this

Kato, K., Zheng, C., Dey, S., & Torii, Y. (1998). Chemistry of the alkoxy-derived precursor solutions for layer-structured perovskite thin films. In Integrated Ferroelectrics (1-4 ed., Vol. 18, pp. 225-235)

Chemistry of the alkoxy-derived precursor solutions for layer-structured perovskite thin films. / Kato, Kazumi; Zheng, Can; Dey, Sandwip; Torii, Yasuyoshi.

Integrated Ferroelectrics. Vol. 18 1-4. ed. 1998. p. 225-235.

Research output: Chapter in Book/Report/Conference proceedingChapter

Kato, K, Zheng, C, Dey, S & Torii, Y 1998, Chemistry of the alkoxy-derived precursor solutions for layer-structured perovskite thin films. in Integrated Ferroelectrics. 1-4 edn, vol. 18, pp. 225-235.
Kato K, Zheng C, Dey S, Torii Y. Chemistry of the alkoxy-derived precursor solutions for layer-structured perovskite thin films. In Integrated Ferroelectrics. 1-4 ed. Vol. 18. 1998. p. 225-235
Kato, Kazumi ; Zheng, Can ; Dey, Sandwip ; Torii, Yasuyoshi. / Chemistry of the alkoxy-derived precursor solutions for layer-structured perovskite thin films. Integrated Ferroelectrics. Vol. 18 1-4. ed. 1998. pp. 225-235
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AU - Dey, Sandwip

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PY - 1998

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N2 - Precursors for layer-structured perovskite thin films of SrBi 2Ta 2O 9, or SBT, and SrBi 2Nb 2O 9, or SBN were prepared by the reactions of a Sr-Bi double methoxyethoxide and Ta and/or Nb methoxyethoxide in methoxyethanol, followed by partial hydrolysis. Several analytical techniques such as 1H-, 13C- and 93Nb-NMR and FT-IR were used to determine the arrangement of the metals and oxygen in the precursor molecules. The precursors contain Sr-O-M (M; Ta or Nb) bonds (i.e., a Sr connects two MO 6 octahedra), and Sr-O-Bi bonds with Bi atom bonded to the MO 6 octahedron. This structure is similar to the layer-structured perovskite crystal sub-lattice. This is the origin of the low temperature crystallization.

AB - Precursors for layer-structured perovskite thin films of SrBi 2Ta 2O 9, or SBT, and SrBi 2Nb 2O 9, or SBN were prepared by the reactions of a Sr-Bi double methoxyethoxide and Ta and/or Nb methoxyethoxide in methoxyethanol, followed by partial hydrolysis. Several analytical techniques such as 1H-, 13C- and 93Nb-NMR and FT-IR were used to determine the arrangement of the metals and oxygen in the precursor molecules. The precursors contain Sr-O-M (M; Ta or Nb) bonds (i.e., a Sr connects two MO 6 octahedra), and Sr-O-Bi bonds with Bi atom bonded to the MO 6 octahedron. This structure is similar to the layer-structured perovskite crystal sub-lattice. This is the origin of the low temperature crystallization.

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KW - SrBi Ta O -SrBi Nb O

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