引用本文:
赵良仲. 氧化物超导电性的经验判据[J]. 物理化学学报,
1994, 10(09): 809-812.
doi:
10.3866/PKU.WHXB19940908
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
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
氧化物超导电性的经验判据
摘要:
本文提出Sanderson电负性均衡值Seq可作为氧化物超导电性的新的经验判据. 判据指出:Tc在10K以上的氧化物超导体的Seq值都在1.94至2．40之间，Tc在78K以上的氧化物高温超导体的Seq值集中在2.12至2.34之间.该判据几乎适用于一切氧化物超导体.
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关键词:
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氧化物超导体
- / Sanderson电负性均衡值
English
An Empirical Criterion for Superconductivity of Oxides
Abstract:
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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