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DDC: 530 × Publisher: Amsterdam [u.a.] : Elsevier × WGL Institute: FIZ KA ×

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    Addition of Iridium to the Biopolymer Mediated Synthesis of YBa2Cu3O7 δ
    (Amsterdam [u.a.] : Elsevier, 2012) Wimbush, Stuart C.; Marx, Werner; Barth, Andreas; Hall, Simon R.
    This work represents the first study into the addition of iridium into the solgel synthesis of the high temperature superconductor YBa2Cu3O7δ (Y123). Through a biopolymermediated synthetic approach, the homogeneous nature of the precursor sol and the preferred nucleation and growth of Y123 phases allow for a high yield of superconducting nanoparticles with no suppression of the superconducting critical temperature, even at high levels (40 wt%) of iridium addition. We attribute this to iridium not substituting into the Y123 crystal lattice, instead forming an associate phase.