SUPERCONDUCTING PROPERTIES OF NEGATIVE-U CENTERS MATERIALS: CHALCOGENIDES, CUPRATE OXIDES AND FULLERIDES

If the concentration of negative-U centers is enough to create the pair band states, this can lead to superconductivity (negative-U centers model of superconductivity) because Anderson pairs are Bose particles. In the present paper it has been shown that several puzzling superconductivity properties...

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Bibliographic Details
Published in:Journal of Optoelectronics and Advanced Materials Vol. 7; no. 4; pp. 1941 - 1947
Main Author: Tsendin, K D
Format: Journal Article
Language:English
Published: 01-08-2005
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Summary:If the concentration of negative-U centers is enough to create the pair band states, this can lead to superconductivity (negative-U centers model of superconductivity) because Anderson pairs are Bose particles. In the present paper it has been shown that several puzzling superconductivity properties of chalcogenides, high-temperature cuprate superconductors and fullerides are similar for these three groups of materials and can be naturally explained in the frame of negative-U centers model of superconductivity - NUCS model.
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ISSN:1454-4164