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Co-doped Bi2Sr2CaCu2Ox: Anderson localization and superconductivity

Cobalt-doping of Bi2Sr2CaCu2Ox beyond a critical level of 1.5-1.7 at % produces both a large decrease in the superconducting transition critical temperature and all of the classic symptoms of Anderson localization. These include: a negative slope of the ab-plane resistivity vs temperature, no dispersing states near the Fermi level and a decrease of the photoemission signal in the same region.

    Note:

    Univ wisconsin, dept phys, madison, wi 53706 usa. Almeras, P, ECOLE POLYTECH FED LAUSANNE, INST PHYS APPL, LAUSANNE, CH-1015 SWITZERLAND.

    ISI Document Delivery No.: QC694

    International Conference on Materials and Mechanisms of Superconductivity - High Temperature Superconductors IV (M2S-HTSC IV)

    JUL 05-09, 1994

    GRENOBLE, FRANCE

    EUROPEAN COMMUNITY, MINIST EDUC & SCI, FRANCE, CNRS, FRENCH NATL CTR SCI RES, RHONE ALPES REG, CITY GRENOBLE

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    Reference

    Record created on 2006-10-03, modified on 2016-08-08

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