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Highlight Lecture

WEB Combinatorial Screening of REBCO Superconductors by Drop-On-Demand Inkjet Printing

Thursday (24.09.2020)
10:40 - 10:55 Z: Special Symposia I
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High-throughput experimental (HTE) methods are becoming more important in the field of materials science, representing a turning point in the accelerated discovery, development and optimization of materials. The versatility of drop-on-demand inkjet printing as a chemical solution deposition (CSD) technique allows its implementation with HTE strategies for combinatorial chemistry studies by fabricating complex-shape test pieces with locally-uniform and graded compositions with high spatial precision, suitable for parallel characterization of morphological, structural and functional properties. In this work, we explored such approach by preparing combinatorial samples by mixing different rare earth cuprate precursor solutions together with advanced characterization techniques in order to push forward the optimization in performance of high-temperature REBCO superconducting films, prepared following the recently developed transient-liquid assisted growth chemical solution deposition (TLAG-CSD) route [1,2] where ultrafast growth, up to 100 nm/s, is achieved. The samples' homogeneity was designed with computational methods and optimized to achieve successful merging of the inks. The composition of each combinatorial sample was confirmed by EDX and high-resolution XRD. We also show the advantages of this strategy combined with in-situ XRD synchrotron radiation experiments for the understanding and optimization of epitaxial growth of high-temperature REBCO superconducting films.

 

Reference:

[1] Soler et al. Nat. Comm. 11, 344 (2020).

[2] Rasi et al. J. Phys. Chem. C 124, 15574-15584 (2020).

Speaker:
Dr. Albert Queralto
Institut de Ciència de Materials de Barcelona
Additional Authors:
  • Juri Banchewski
    Institut de Ciència de Materials de Barcelona
  • Adrià Pacheco
    Institut de Ciència de Materials de Barcelona
  • Dr. Kapil Gupta
    Institut de Ciència de Materials de Barcelona
  • Lavinia Saltarelli
    Institut de Ciència de Materials de Barcelona
  • Diana Garcia
    Institut de Ciència de Materials de Barcelona
  • Núria Alcalde
    Institut de Ciència de Materials de Barcelona
  • Dr. Christian Mocuta
    Synchrotron SOLEIL
  • Dr. Susagna Ricart
    Institut de Ciència de Materials de Barcelona
  • Dr. Flavio Pino
    Institut de Ciència de Materials de Barcelona
  • Prof. Dr. Xavier Obradors
    Institut de Ciència de Materials de Barcelona
  • Prof. Dr. Teresa Puig
    Institut de Ciència de Materials de Barcelona

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