Solid-state synthesis of ultrafine BaTiO3 powders from nanocrystalline BaCO3 and TiO2 (Articolo in rivista)

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Label
  • Solid-state synthesis of ultrafine BaTiO3 powders from nanocrystalline BaCO3 and TiO2 (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1111/j.1551-2916.2005.00451.x (literal)
Alternative label
  • Maria Teresa Buscaglia; Marta Bassoli; Vincenzo Buscaglia; Rocco Alessio (2005)
    Solid-state synthesis of ultrafine BaTiO3 powders from nanocrystalline BaCO3 and TiO2
    in Journal of the American Ceramic Society (Online); Blackwell Publishing, Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Maria Teresa Buscaglia; Marta Bassoli; Vincenzo Buscaglia; Rocco Alessio (literal)
Pagina inizio
  • 2374 (literal)
Pagina fine
  • 2379 (literal)
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  • http://puma.isti.cnr.it/linkres.php?resource=cnr.ieni/cnr.ieni.ge/2005-A0-032 (literal)
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  • 88 (literal)
Rivista
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  • In: Journal of the American Ceramic Society, vol. 88 (9) pp. 2374-2379. American Ceramic Society, 2005. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 9 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Deparment of Genoa, National Research Council, Institute for Energetics and Interphases, I-16149 Genova, Italy; Solvay Bario e Derivati SpA, I-54100 Massa, Italy (literal)
Titolo
  • Solid-state synthesis of ultrafine BaTiO3 powders from nanocrystalline BaCO3 and TiO2 (literal)
Abstract
  • Barium titanate has been prepared by solid-state reaction of nanocrystalline TiO2 (70 nm) with BaCO3 of different particle size (650, 140, and 50 nm). The results give evidence of a strong effect of the size of BaCO3 in the solid-state synthesis of barium titanate. The use of nanocrystalline BaCO3 already leads to formation of the single-phase BaTiO3 after calcination for 8 h at 800°C. The final powder consists of primary particles of ~100 nm, has a narrow particle size distribution with d50=270 nm, and no agglomerates larger than 800 nm. For the coarser carbonate, 4 h calcination at 1000°C are required and the final powder is much coarser. Solid-state reaction of nanocrystalline BaCO3 and TiO2 represents an alternative to chemical preparation routes for the production of barium titanate ultrafine powders. (literal)
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