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Nature 414, 409-410 (22 November 2001) | doi:10.1038/35106685

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Superconductivity: Copper oxides get charged up

Allan Hugh MacDonald

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A technique for injecting electrons into the surface layers of materials has now been applied to the most mysterious of superconducting compounds — the copper oxides.

There is a retraction (06 March 2003) associated with the Letter to Nature that is the subject of this article. Please click here to view.