Structural Changes, Dielectric and Ferroelectric Properties of Tribophysically Activated BaTiO3
AutoriPavlović, Vera P.
Pavlović, Vladimir B.
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In order to obtain nanocrystalline material which can be used in MLCC production, the investigations of the influence of BaTiO3 powder tribophysical activation (TPA) on its structural changes, dielectric and ferroelectric properties have been performed. Microstructure development and crystal structure have been studied by mercury porosimetry method, SEM, EDS and X-ray powder diffraction analyses. The modifications of dielectric and ferroelectric properties of sintered samples have been examined and correlated with observed structural changes induced by TPA of starting powders. It has been found that dielectric and ferroelectric properties of tribophysically activated BaTiO3 could be tuned by controlling the grain size and lattice strain of activated nanostructured material.
Ključne reči:BaTiO3 ceramics / dielectric properties / ferroelectric properties / tribophysical activation
Izvor:The First Serbian Ceramic Society Conference "Advanced Ceramics and Application" May 10-11, 2012: Program and the Book of Abstracts, 2012, 25-25
- Belgrade : Serbian Ceramic Society