Paper Title:
Synthesis and Structural Investigation of Nano-Sized BaTiO3 Powders
  Abstract

~100 nm-sized BaTiO3 powders were prepared by hydro-thermal techniques, and the structural features of the powders were investigated as a function of synthesis temperature and time. The spectral features of (200) XRD peaks and FT-Raman peaks at frequencies of 305 and 710 cm-1, which are sensitive to the presence of tetragonal BaTiO3, indicate that the nano-sized BaTiO3 powders are dominantly of a cubic phase, but the tetragonal phase is also exhibited at room temperature. The tetragonal and cubic phases exist in the core and shell regions in the powder, respectively; the difference in lattice spacing between the core and the shell regions is 0.061 Å, and the thickness of the cubic-phased shell region of the powders prepared at 180°C for 24 hrs is 3 nm.

  Info
Periodical
Materials Science Forum (Volumes 510-511)
Edited by
Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee
Pages
426-429
DOI
10.4028/www.scientific.net/MSF.510-511.426
Citation
S.M. Moon, N. H. Cho, "Synthesis and Structural Investigation of Nano-Sized BaTiO3 Powders", Materials Science Forum, Vols. 510-511, pp. 426-429, 2006
Online since
March 2006
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Price
$32.00
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