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Citation:
Zhao Liang-Zhong. An Empirical Criterion for Superconductivity of Oxides[J]. Acta Physico-Chimica Sinica,
;1994, 10(09): 809-812.
doi:
10.3866/PKU.WHXB19940908
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In this article it is suggested that the Sanderson's equalized electronegativity, Seq, can be used as a new empirical criterion for superconductivity of oxides. The criterion shows that the Seq values are between 1.94 and 2.40 for oxide superconductors with Tc above 10K; the Seq values concentrate in a very narrow range from 2.12 to 2.34 for the high-Tc superconductors with Tc above 78K. This criterion can be applied to almost all the oxide superconductors.
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