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Enhanced superconductivity in Sr2CuO4-v

机译:Sr2CuO4-v中增强的超导性

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摘要

A critical review of previous investigations of the superconductivity with enhanced T-c similar to 95 K found in Sr2CuO4-v shows that new physics occurs in a highly overdoped region of the cuprate phase diagram. Moreover, evidence is adduced from the literature that 30% of the oxygen sites in the CuO2 layers are vacant; a conclusion which is at odds with the universally made assumption that superconductivity originates in stoichiometric CuO2 layers. While further research is needed in order to identify the pairing mechanism(s) responsible for the enhanced T-c, we suggest possible candidates.
机译:对以前的研究中Sr2CuO4-v中具有类似于95 K的增强T-c的超导性的研究进行的严格审查显示,新的物理学现象发生在铜酸盐相图的高度掺杂区域。此外,从文献中得出的证据表明,CuO2层中有30%的氧位点是空的。这个结论与普遍认为超导性起源于化学计量的CuO2层不符。虽然需要进行进一步的研究以识别造成增强T-c的配对机制,但我们建议可能的候选者。

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