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Issue 9, 2012
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Ink-jet printing of YBa2Cu3O7 superconducting coatings and patterns from aqueous solutions

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Abstract

The objective of this paper is the development of ink-jet processing as a new technique for chemical solution deposition of YBCO coatings and patterns. Our research is mainly focused on the investigation and determination of the rheological parameters towards the printability of water-based inks in order to produce continuous YBCO coatings or multi-filamentary patterns on SrTiO3 substrates. A 0.185 mol L−1YBCO ink with a viscosity of 4.77 mPa s and a surface tension of 67.9 mN m−1, resulting in a ratio Re/We1/2 of 7.37, is developed. Its printing behaviour is further verified using a camera with strobed illumination to quantify the droplet velocity and volume. After optimization of the deposition parameters, a 350 nm thick YBCO coating showing preferential c-axis orientation could be grown on SrTiO3. This layer exhibits a critical current of 0.67 MA cm−2 at 77 K in self-field. Finally, the shape and dimensions of printed YBCO tracks were determined using optical microscopy and non-contact profilometry, showing 200 nm thick and 200 μm wide tracks.

Graphical abstract: Ink-jet printing of YBa2Cu3O7 superconducting coatings and patterns from aqueous solutions

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Publication details

The article was received on 30 Sep 2011, accepted on 14 Nov 2011 and first published on 22 Dec 2011


Article type: Paper
DOI: 10.1039/C1JM14899K
Citation: J. Mater. Chem., 2012,22, 3717-3726
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    Ink-jet printing of YBa2Cu3O7 superconducting coatings and patterns from aqueous solutions

    J. Feys, P. Vermeir, P. Lommens, S. C. Hopkins, X. Granados, B. A. Glowacki, M. Baecker, E. Reich, S. Ricard, B. Holzapfel, P. Van Der Voort and I. Van Driessche, J. Mater. Chem., 2012, 22, 3717
    DOI: 10.1039/C1JM14899K

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