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  1. No Access

    Article

    Directional solidification by appropriate chemically active single crystal seed: An alternative way of generating large superconducting 123 single domain

    A Dy2O3 single crystal has been used as a seed for the growth of isothermally melt-textured Dy-123 material. The nucleation-controlled step has been observed to be related to the heterogeneous nucleation of 211 p...

    R. Cloots, Fr. Auguste, A. Rulmont, N. Vandewalle… in Journal of Materials Research (1997)

  2. No Access

    Article

    Magnetic alignment in 2212 Bi-based superconducting system: Part I. Magnetic orientation of Bi2Sr2Ca1−x(RE)xCu2O8−y [(RE) = Gd, Dy, Ho, Er] powder dispersed in epoxy resin at room temperature

    The magnetic anisotropy of rare-earth substituted 2212 materials (Bi2Sr2Ca0.8RE0.2Cu2Ox with RE = Gd, Dy, Ho, Er) is put into evidence. Superconducting powder dispersed in epoxy resin is oriented under an externa...

    S. Stassen, R. Cloots, Ph. Vanderbemden, P. A. Godelaine… in Journal of Materials Research (1996)

  3. No Access

    Article

    Polarized light microstructure analysis of melt-textured DyBa2Cu3O7−x ceramics

    We report the microstructure of magnetically melt-textured Dy-123 samples, as observed by polarized light metallography. The phase dimensions, morphology, orientation, nature, and distribution are outlined. Gr...

    P. Diko, M. Ausloos, R. Cloots in Journal of Materials Research (1996)

  4. No Access

    Article

    Magnetic alignment in 2212 Bi-based superconducting system: II. Bi2Sr2Ca1−xDyxCu2O8−yx = 0.2 glass recrystallized in 0.6 T magnetic field

    Starting from a glassy precursor, Bi2Sr2Ca1−xDyxCu2O8−y (for x = 0.2) was recrystallized under a 0.6 T magnetic field. After splat quenching, the samples were heated and sintered at different temperatures T1, the...

    S. Stassen, R. Cloots, A. Rulmont, M. Ausloos in Journal of Materials Research (1995)

  5. No Access

    Article

    Simulated growth and microstructure of DyBa2Cu3O7−x with and without Dy2BaCuO5 addition

    We present optical observations of magnetically melt-textured DyBa2Cu3O7−x with and without 20 wt. % excess of Dy2BaCuO5. From these observations, we propose some kinetic mechanism of the growth of 123 compounds....

    N. Vandewalle, R. Cloots, M. Ausloos in Journal of Materials Research (1995)