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    HighT c superconductivity in YBa2Cu3O7−x studied by PAC and PAS

    HighT c superconductivity has been investigated in YBaCuO by both perturbed angular correlation and positron annihilation spectroscopy techniques as a function of temperature from 77 to 300 K. An abrupt change ha...

    Shengyun Zhu, Anli Li, Shengnan Zheng, Hanchen Huang, Donghong Li… in Hyperfine Interactions (1993)