Synthesis of titanium-based ceramics by a new synthetic route of water-soluble titanium complexes

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概要

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• We developed a new synthetic route of water-soluble complexes using TiCl4 and Ti(SO4)2 as starting materials. The yield of Ti and the removal rate of the Cl− ion were over 85 and 98%, respectively. The lactato titanium complex solution obtained by this new synthetic route remained stable for more than 3 months without any precipitation. Single-phase CaTiO3, SrTiO3, and BaTiO3 were synthesized from the lactato titanium complex by heating at 873 K for 5 h. The nano-structured CaTiO3, SrTiO3, and BaTiO3 particle sizes were 50, 30, and 30 nm in diameter, respectively, and smaller than those obtained by the solid-state method. We have succeeded in the synthesis of very fine particles of CaTiO3, SrTiO3, and BaTiO3 at a temperature 400 K lower than that required for the solid-state method.

著者

• YAMAMOTO Kazuhiro

  Graduate School of Science, Hiroshima University

• KAKIHANA Masato

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• Kakihana Masato

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• MATSUSHIMA Satoshi

  School of Science, Department of Chemistry, Tokai University

• TOMITA Koji

  School of Science, Department of Chemistry, Tokai University

• MIURA Yasuyuki

  Graduate School of Science and Technology, Course of Science and Technology, Tokai University

• Yamamoto Kazuhiro

  Graduate School Of Science Hiroshima University

• YAMAMOTO Kazuhiro

  Graduate School of Science and Technology, Course of Science and Technology, Tokai University

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