• Paul Angerer

      Articles written in Bulletin of Materials Science

    • Effect of temperature and time on solvothermal synthesis of tetragonal BaTiO3

      Amir Habib Nils Stelzer Paul Angerer Roland Haubner

      More Details Abstract Fulltext PDF

      Tetragonal BaTiO3 nanoparticles are synthesized via solvothermal route in an ethanol water mixture. Ba(OH)2.8H2O is used as Ba precursor and TiO2 (P25 Degussa ∼25 nm, 30% anatase, 70% rutile) is used as Ti precursor in the Ba : Ti molar ratio 2 : 1. Effect of temperature and time study on solvothermal synthesis of BaTiO3 revealed that a moderate reaction temperature i.e. 185°C and longer reaction time favour tetragonal phase stabilization. Dissolution–precipitation appears to be the transformation mechanism for the crystallization of BaTiO3 from particulate TiO2 precursor.

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