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Synthesis and dielectric properties of calcium copper titanate (CCTO) based ceramics

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2010
Stojanovic_9KMI.pdf (133.7Kb)
Authors
Stojanović, Zoran S.
Veselinović, Ljiljana
Marković, Smilja
Uskoković, Dragan
Conference object (Published version)
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Abstract
The perovskite CaCu3Ti4O12 (CCTO) powders with various oxide phase impurities were synthesized via citric gel combustion method. Influence of citric acid amount used for gel preparation was examined in order to lower CCTO formation temperature to obtain powders with less impurities and better micro structural characteristics. Prepared powders were pressed into pellets and sintered at 1000 °C. Effects of oxide component impurities, such as CuO, rutile, anatase, CaTiO3 were examined on sintering behavior and dielectric properties of ceramics. Phase composition of powders and sintered specimens were determined by XRD, microstructure powders and sintered bodies were observed by SEM, and dielectric constants of sintered ceramics were measured by Wayne-Kerr B224 universal bridge.
Keywords:
sintering / CaCu3Ti4O12 / dielectric properties / calcium copper titanate / perovskites
Source:
Program and the Book of Abstracts / Ninth Young Researchers Conference Materials Sciences and Engineering, December 20–22, 2010, Belgrade, Serbia, 2010, 7-7
Publisher:
  • Belgrade : Institute of Technical Sciences of SASA
Projects:
  • Sinteza funkcionalnih materijala sa kontrolisanom strukturom na molekularnom i nano nivou (RS-142006)
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URI
http://dais.sanu.ac.rs/123456789/3447
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA

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