caa a22 4500 463232127 CHVBK 20180405153245.0 cr unu---uuuuu 170326e20070101xx s 000 0 eng 10.1007/s10853-006-0282-6 doi (NATIONALLICENCE)springer-10.1007/s10853-006-0282-6 Improved microstructural features in screen printed NdBCO thick films on YSZ substrates [Elektronische Daten] [M. Moussa, J. Abell, T. Shields] An investigation of the effect of using Ba-rich precursors, Nd0.9Ba2.1Cu3O y +15wt% Nd3.6Ba2.4Cu1.8Oz, on the melt growth, microstructure and superconducting properties of NdBCO screen-printed thick films on YSZ substrates has been carried out. The presence of unreacted powder (BaCuO2) in the precursor increased the amount of liquid and resulted in the formation of a large grain size. However, the addition of Nd422 was effective in stabilising the liquid viscosity at the processing temperature and reducing the film/substrate interaction. As a consequence, high transition temperatures and sharp superconducting transitions were obtained. It has been found that the cooling rate affects the texture orientation, grain size and quality in addition to the interaction between the film and the substrate. The magnetic flux dynamics have been investigated using the Magneto-Optical (MO) technique at various low temperatures and different external applied magnetic fields. The magnetization critical current density was 4.1×104A/cm2 at 5K and zero field. Springer Science+Business Media, LLC, 2006 Moussa M. Faculty of Science, Physics Department, Mansoura University, 35516, Mansoura, Egypt aut Abell J. School of Metallurgy and Materials, Birmingham University, B15 2TT, Birmingham, UK aut Shields T. School of Metallurgy and Materials, Birmingham University, B15 2TT, Birmingham, UK aut Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/2(2007-01-01), 692-698 0022-2461 42:2<692 2007 42 10853 https://doi.org/10.1007/s10853-006-0282-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10853-006-0282-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Moussa M. Faculty of Science, Physics Department, Mansoura University, 35516, Mansoura, Egypt aut NATIONALLICENCE 700 1- Abell J. School of Metallurgy and Materials, Birmingham University, B15 2TT, Birmingham, UK aut NATIONALLICENCE 700 1- Shields T. School of Metallurgy and Materials, Birmingham University, B15 2TT, Birmingham, UK aut NATIONALLICENCE 773 0- Journal of Materials Science Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com 42/2(2007-01-01), 692-698 0022-2461 42:2<692 2007 42 10853 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer