Irreversibility line, Hall effect, and longitudinal resistivity measurements on cobalt-doped yttrium barium(2) copper(3) oxygen(7-delta)
We have developed a procedure for growing high-quality single crystals of YBa$\sb2$(Cu$\sb{\rm 1-x}$Co$\sb{\rm x})\sb3$O$\sb{7-\delta}.$ By high-pressure oxygen annealing, we produced single crystals having transition temperatures, T$\sb{\rm c}$, comparable with those of polycrystalline samples of the same cobalt concentration.
University of Illinois - Urbana-Champaign
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University of Illinois at Urbana-Champaign