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而更早的探索则可追溯至2023年,中山大学王猛教授团队首次在14GPa高压下发现了La3Ni2O7单晶约80K的超导电性,但是未掺杂Pr的La3Ni2O7生长窗口较窄,易产生氧空位和其他杂相,从而影响对超导机理的深入研究。
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