Mechanochemical synthesis of barium titanate nanoparticles in ferroelectric phase

  • B. M. Gorelov Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • V. A. Zazhigalov Institute for Sorption and Problems of Endoecology National Academy of Sciences of Ukraine
  • O. V. Kotenok Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • S. N. Makhno Chuiko Institute of Surface Chemistry of National Academy of Sciences of Ukraine
  • V. V. Sidorchuk Institute for Sorption and Problems of Endoecology National Academy of Sciences of Ukraine
  • S. V. Khalameida Institute for Sorption and Problems of Endoecology National Academy of Sciences of Ukraine

Abstract

Parameters of mechanochemical synthesis of barium titanate particles with size of 12-22.4 nm from barium titanyl oxalate were determined.  Using X-ray diffraction, IR-spectroscopy (DRIFT), Raman spectroscopy, differential scanning calorimetry and spectroscopy of dielectrics it was shown that the particles contain the cubic and tetragonal modifications of the crystal lattice. The paraelectric- to- ferroelectric phase transition occurs at 133 oC. The particles prepared  by mechanochemical synthesis and thermal decomposition of barium titanyl oxalate or mixture of barium and titane oxides contain the same impurity composition.  

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Published
2009-08-02
How to Cite
Gorelov, B. M., Zazhigalov, V. A., Kotenok, O. V., Makhno, S. N., Sidorchuk, V. V., & Khalameida, S. V. (2009). Mechanochemical synthesis of barium titanate nanoparticles in ferroelectric phase. Surface, (15), 284-293. Retrieved from http://surfacezbir.com.ua/index.php/surface/article/view/350
Section
Nanomaterials and nanotechnologies