Impact of Ag Concentration on YBCO Ceramic Pellets Derived from Solution Blow Spinning Process

M.P Brambilla, R. Zadorosny

São Paulo State University (Unesp), School of Engineering, Campus Ilha Solteira - Physics and Chemistry Department

12427632054?profile=RESIZE_710x

NP2024-026.pdf

Abstract:
This research focuses on the incorporation of different concentrations of silver into the YBCO precursor solution, through a chemical approach using the one-pot method. The resulting solution is used to produce fibers by the solution blow spinning (SBS) technique, which are then subjected to heat treatments to achieve the desired phase, i.e., (Y Ba2Cu3O7−δ or YBCO) and
other samples with 0.5, 5 and 20 wt% of Ag, which corresponds to a superconducting material when cooled to a temperature of ∼90K. After the formation of this phase, the fibers were stacked
and compacted into pellets. The YBCO pellet underwent heat treatment at 925 ºC for 1 hours, whereas the Ag samples reached a maximum temperature of 985 ºC for the same duration. Density estimation and hardness measurements indicate that the presence of Ag enhances the mechanical properties of the samples. XRD analysis reveals the formation of YBCO along with detectable peaks attributed to metallic Ag. This outcome suggests the potential for the development of mechanically robust ceramic nanofibers suitable for applications such as single photon detectors.

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Replies

  • Hello Matheus, nice work! Let´s hope for more visualizations!

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