Search Results - "Voltzke, D"

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    Ca-containing additives in PTC-BaTiO3 ceramics: effects on the microstructural evolution by VÖLTZKE, D, ABICHT, H.-P, PIPPEL, E, WOLTERSDORF, J

    Published in Journal of the European Ceramic Society (01-10-2000)
    “…Two series of Ca2+-modified BaTiO3 ceramics were prepared of gross composition La0.002Ba0.998-xCaxTi1.01O3.02 (x = 0-0.24). In the first series, CaCO3, BaCO3,…”
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    Journal Article
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    The influence of different additives and the mode of their addition on the sintering behavior and the properties of semiconducting barium titanate ceramics by Völtzke, Dieter, Abicht, Hans-Peter

    Published in Solid state sciences (01-01-2000)
    “…The influence of different additives (TiO2, TiO2/SiO2, CaO/TiO2/SiO2, 2BaO/TiO2/2SiO2) and the mode of their incorporation (spray drying: series 1; mixed-oxide…”
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    Journal Article
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    Investigations related to the incorporation of Ca2+ ions into the BaTiO3 lattice by VÖLTZKE, D, ABICHT, H.-P

    Published in Journal of materials science (01-10-1995)
    “…Dependence of the composition of (100-x)BaTiO3 + xCaTiSiO5 precursor (x = 2-16 mol%) mixtures on calcination temperature was investigated by XRD and DSC. The…”
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    Journal Article
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    Preparation, characterization and sintering behavior of barium titanate powders coated with Ba-, Ca-, Si- and Ti-containing components by Abicht, Hans-Peter, Völtzke, Dieter, Schmidt, Helmut

    Published in Materials chemistry and physics (1997)
    “…An emulsion technique and spray drying were used to prepare BaTiO 3 powders coated with additives. Different additive compositions (TiO 2; TiO 2/SiO 2; CaO/TiO…”
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    Journal Article
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    Preparation of fine TiO2 powders via spray hydrolysis of titanium tetraisopropoxide by GABLENZ, S, VÖLTZKE, D, ABICHT, H.-P, NEUMANN-ZDRALEK, J

    “…The preparation of high-surface-area titania via spray hydrolysis of a well hydrolysable organometallic precursor and the characteristics of the powder…”
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    Journal Article
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    Mechanistic investigations on the sintering of BaTiO3 ceramics by VÖLTZKE, D, ABICHT, H.-P

    Published in Journal of materials science letters (01-11-2000)
    “…The objective of the study was to determine the sintering mechanism of BaTiO3 compacts without additives and external pressure by studying the grain dependence…”
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    Journal Article
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    Raman microscopic investigations of BaTiO3 precursors with core?shell structure by Rossel, M, Hoche, H-R, Leipner, H S, Voltzke, D, Abicht, H-P, Hollricher, O, Muller, J, Gablenz, S

    Published in Analytical and bioanalytical chemistry (01-09-2004)
    “…Due to their outstanding dielectric and ferroelectric properties, barium titanate (BaTiO3)-based ceramics have found many applications in electronic devices…”
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    Journal Article
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    Hydrothermal modification of pre-sintered barium titanate powders by VÖLTZKE, D, ABICHT, H.-P, WOLTERSDORF, J, PIPPEL, E

    Published in Journal of materials science letters (01-12-1998)
    “…The surface properties of the BaTiO sub(3) powders strongly influence the shrinkage behavior of the compacted powder. Although, during sintering of the…”
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    Journal Article
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    Surface modification of barium titanate powder particles by Völtzke, D, Gablenz, S, Abicht, H.-P, Schneider, R, Pippel, E, Woltersdorf, J

    Published in Materials chemistry and physics (15-10-1999)
    “…The surfaces of n-doped barium titanate (BaTiO 3) powder particles were modified by milling in a Ca(NO 3) 2 solution both at room temperature and under…”
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    Journal Article
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    Microstructure evolution during BaTiO3 formation by solid-state reactions on rutile single crystal surfaces by GRAFF, Andreas, SENZ, Stephan, VÖLTZKE, Dieter, ABICHT, Hans-Peter, HESSE, Dietrich

    “…To study the modified phase formation sequence observed during sintering of TiO2--BaCO3 core--shell powders, model experiments on phase formation and…”
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    Conference Proceeding Journal Article
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    Surface modification of pre-sintered BaTiO sub(3) particles by Voltzke, D, Abicht, H-P, Woltersdorf, J, Pippel, E

    Published in Materials chemistry and physics (15-01-2002)
    “…Generally, the surface properties of powder particles strongly influence the sintering behavior of the resulting compacts. This paper describes the surface…”
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    Journal Article
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    Mechanistic investigations on the densification behaviour of barium titanate ceramics by Völtzke, Dieter, Abicht, Hans-Peter

    Published in Solid state sciences (01-05-2001)
    “…The processes occurring during the densification of La 0.002Ba 0.998TiO 3 powders with different SiO 2-containing additives (TiO 2+SiO 2), (CaO+TiO 2+SiO 2),…”
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    Journal Article
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    Preparation of fine TiO sub 2 powders via spray hydrolysis of titanium tetraisopropoxide by Gablenz, S, Voltzke, D, Abicht, H-P, Neumann-Zdralek, J

    Published in Journal of materials science letters (01-04-1998)
    “…In this letter, the preparation of high-surface-area titania via spray hydrolysis of a well hydrolysable organometallic precursor and the characteristics of…”
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    Journal Article
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    Influence of the properties of TiO 2 particles on a photocatalytic acrylate polymerisation by Damm, C., Völtzke, D., Abicht, H.-P., Israel, G.

    “…Samples of TiO 2 having different BET surface areas and different numbers of primary crystallites per secondary particle were prepared by annealing amorphous…”
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    Journal Article
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