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  1. No Access

    Chapter

    Dysprosium Substitution in Bi-Based 2223 Materials: The Role of the Superconducting Layer Charge Distribution for Inducing a Structural Phase Transition

    The chemical synthesis of dysprosium doped Bi-based 2223 high-Tc superconducting materials prepared by either a “two-powder process” or a “crystalline-glassy matrix precursor” method has been examined. In both ca...

    R. Cloots, J. Feldmann, A. Rulmont, M. Ausloos in Supermaterials (2000)

  2. No Access

    Article

    Microstructure development in isothermally melt-textured 123–211 composite materials

    Microstructures of isothermally melt-textured 123–211 composite materials have been examined during the solidification process from quenched specimens. The distribution of 211 particles, the superconducting 12...

    F. Auguste, A. Rulmont, N. Vandewalle, H. Bougrine… in Journal of Low Temperature Physics (1996)

  3. No Access

    Article

    Field percolation and high current density in 80/20 DyBa2Cu3O7 − x/Dy2BaCuO5 bulk magnetically textured composite ceramics

    We measured the AC susceptibility of magnetically textured (123) 80%/211(20%) DyBaCuO composite in a special set-up in order to enhance the intergrain contribution. The synthesis process led to very clean “wea...

    R. Cloots, A. Dang, Ph. Vanderbemden… in Zeitschrift für Physik B Condensed Matter (1996)

  4. No Access

    Article

    Non-isovalent metal substitution for bismuth, strontium, calcium, and copper in bi-based 2212 superconducting ceramics

    The aim of this paper is to investigate the influence of non-isovalent alkali (Li, Na, K, and Cs) substitution in Bi2Sr2CaCu2O8, in particular on its synthesis conditions and on their resistive and thermopower el...

    S. Stassen, A. Rulmont, M. Ausloos, R. Cloots in Journal of Low Temperature Physics (1996)

  5. No Access

    Article

    Non-isovalent alkali metal “substitution” in YBa2Cu3O7−y granular ceramics

    The aim of this paper is to study the influence of non-isovalent “do**” in YBa2Cu3O7−y in particular on its synthesis conditions and on the resistive properties both with and without a magnetic field. We conce...

    R. Cloots, A. Rulmont, M. Pekala, J. Y. Laval… in Zeitschrift für Physik B Condensed Matter (1995)

  6. No Access

    Article

    Dimensionality crossover regimes due to microcrystalline anisotropy in the resistivity of granular Y1Ba2Cu3O7−y in weak magnetic fields at low temperature

    Precise measurements of the electrical resitivity of Y1Ba2Cu3O7−y have been taken in the temperature range between the “percolation transition” temperatureT R and the “superco...

    Ch. Laurent, M. Laguesse, S. K. Patapis… in Zeitschrift für Physik B Condensed Matter (1988)