Effect of Tl substitution for Hg in the Hg-Ba-Cu-O superconductor

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作者：

Tohoku Univ, Sendai, Japan ^{[1
]}

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来源：

Superlattices Microstruct | / 5卷 / 1149-1153期

关键词：

Mercury (metal) - Physics - Substitution reactions - Thallium;

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摘要：

The effect of Tl substitution for Hg in the Hg-Ba-Cu-O system has been investigated for a wide substitution range. A single-layer system was maintained until 50% of Tl substitution, and above 50%, a double-layer system was observed. Tl substitution brought about an overdoping state in the CuO2 plane, probably because (TlO)+ was introduced for Hg2+. A simple explanation for the change from a single-layer to the double-layer system is presented.

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