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  1. No Access

    Article

    Synthesis and characterization of BaSn(OH)6 and BaSnO3 acicular particles

    The synthesis of BaSn(OH)6 acicular crystals by precipitation at 100 °C from aqueous solutions and their transformation in the perovskitelike compound BaSnO3 was investigated. Single acicular crystals 100–200 μm ...

    M. T. Buscaglia, M. Leoni, M. Viviani, V. Buscaglia… in Journal of Materials Research (2003)

  2. No Access

    Article

    Effect of Isovalent Ba-Site Substitutions on the Properties of (Ba1 – x – y M y Y x )TiO3(M = Ca, Sr, Pb) PTCR Ceramics

    An approach is proposed for fabricating fine-grained, low-resistivity BaTiO3-based PTCR ceramics via partial isovalent substitutions on the Ba site. The grain size of the ceramics thus prepared is shown to decrea...

    A. G. Belous, O. I. V'yunov, L. L. Kovalenko, V. Buscaglia… in Inorganic Materials (2003)

  3. No Access

    Article

    Formation and decomposition of the rutile-type compound FeSbO4

    The reaction between Fe2O3 (hematite) and Sb2O3 leading to the formation of the rutile-type compound FeSbO4 was analysed by means of DTA and TG, performed under various O2 partial pressures up to 1673 K. The reac...

    A. Martinelli, M. Ferretti, V. Buscaglia… in Journal of Thermal Analysis and Calorimetry (2002)

  4. No Access

    Article

    Synthesis, sintering and expansion of Al0.8Mg0.6Ti1.6O5: a low-thermal-expansion material resistant to thermal decomposition

    A low-thermal-expansion ceramic with the composition Al0.8Mg0.6Ti1.6O5 that is isostructural to aluminium titanate Al2TiO5, was prepared by solid-state reaction of a mixture of α-Al2O3, MgO and TiO2-rutile. Th...

    V. Buscaglia, F. Caracciolo, M. Leoni, P. Nanni, M. Viviani… in Journal of Materials Science (1997)

  5. No Access

    Article

    Decomposition of Al2TiO5-MgTi2O5 solid solutions: a thermodynamic approach

    The decomposition of Al1−xMgxTi1+xO5 solid solutions with x=0.0, 0.1, 0.2, 0.4, 0.5 and 0.6 was studied in the temperature range 900–1175 °C using a 250 h annealing test. As x increases from 0–0.2 there is a stro...

    V. Buscaglia, G. Battilana, M. Leoni, P. Nanni in Journal of Materials Science (1996)

  6. No Access

    Article

    Low-temperature aqueous synthesis (LTAS) of ceramic powders with perovskite structure

    M. Leoni, M. Viviani, P. Nanni, V. Buscaglia in Journal of Materials Science Letters (1996)

  7. No Access

    Article

    The effect of MgAl2O4 on the formation kinetics of Al2TiO5 from Al2O3 and TiO2 fine powders

    The formation of Al2(1−x)MgxTi(1+x)O5 solid solutions from Al2O3-TiO2-MgAl2O4 powder mixtures of ≈1 μm particle size and moderate purity has been studied at 1300°C for different final composition values: x=0 (“pu...

    V. Buscaglia, M. Alvazzi Delfrate, M. Leoni, C. Bottino… in Journal of Materials Science (1996)