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C. BUSUIOC1,*
In this work, I have studied three different tantalum-based compositions: Ba(Y1/2Ta1/2)O3, Ba(Mg1/3Ta2/3)O3 and Ba(Zn1/3Ta2/3)O3. The ceramic bodies were obtained by the solid-state reaction method or via a modified Pechini method. The Pechini powders, as well as the final ceramics were compositional, structural and morphological characterized by thermal analysis, X-ray diffraction, transmission electron microscopy and scanning electron microscopy. Single-phase powders with cubic structure, containing spherical nanosized particles, with average diameters between 13 and 25 nm, were obtained by modified Pechini method. In the case of Ba(Mg1/3Ta2/3)O3, the sintering process makes possible the transition from a disordered cubic perovskite structure to a 1:2 ordered trigonal structure, specific to this type of ceramics. The ceramics synthesized via modified Pechini method exhibit intensive grain growth, resulting in higher grains sizes relatively to the conventional ceramics..
Nanoparticles, Ceramics, Dielectrics.
C. BUSUIOC, Synthesis and structural characterization of three different tantalum-based ceramics, Optoelectronics and Advanced Materials - Rapid Communications, 6, 9-10, September-October 2012, pp.896-901 (2012).
Submitted at: June 19, 2012
Accepted at: Sept. 20, 2012
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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