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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 shu

An Empirical Criterion for Superconductivity of Oxides

Zhao Liang-Zhong

1.
Institute of Chemistry,Academia Sinica,Beijing 100080

Received Date: 8 May 1993
Available Online: 15 September 1994

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.
- Oxide superconductors,
- Sandersons equalized electronegativity
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