Lowering BaTi2O5 Curie temperature by Sr facile hydrothermal ion-exchange while retaining the original particle morphology

• Published in: Materials chemistry and physics Vol. 272; p. 125037
• Main Authors: Miyazaki, Hidetoshi, Yamashita, Yosuke, Yamada, Katsumi, Kubota, Takeshi, Omata, Kohji, Tsukada, Shinya
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier B.V 01.11.2021; Elsevier BV
• Subjects: Ammonia; Barium hydroxide; BaTi2O5; Crystal structure; Curie temperature; Heat exchange; Heat treatment; Hydrogen peroxide; Hydrothermal treatment; Ion exchange; Ion substitution; Morphology; Raman spectroscopy; Raman spectrum; Strontium; Substitutes; Synthesis; Titanium; Hydrothermal treatment; Ion substitution; BaTi2O5; Raman spectrum

Ti-peroxo iso-poly acid solution was prepared by dissolving metal Ti in an aqueous NH3/H2O2 solution, and the obtained Ti-peroxo iso-poly acid and Ba(OH)2 solutions were reacted and heat-treated at 1000 °C to obtain BaTi2O5 particles. Subsequently, the hydrothermal treatment of the obtained BaTi2O5...