Evolution and control of oxygen order in a cuprate superconductor.

@article{Poccia2011EvolutionAC,
  title={Evolution and control of oxygen order in a cuprate superconductor.},
  author={N. Poccia and M. Fratini and A. Ricci and G. Campi and L. Barba and Alessandra Vittorini-Orgeas and G. Bianconi and G. Aeppli and A. Bianconi},
  journal={Nature materials},
  year={2011},
  volume={10 10},
  pages={
          733-6
        }
}
The disposition of defects in metal oxides is a key attribute exploited for applications from fuel cells and catalysts to superconducting devices and memristors. The most typical defects are mobile excess oxygens and oxygen vacancies, which can be manipulated by a variety of thermal protocols as well as optical and d.c. electric fields. Here we report the X-ray writing of high-quality superconducting regions, derived from defect ordering, in the superoxygenated layered cuprate, La₂CuO(4+y… Expand
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