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Study Probes High-Temp Superconductivity

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Daniel S. Burgess

The results of infrared spectroscopy experiments with a bismuth-containing copper oxide known as Bi-2212 suggest that high-temperature superconductivity in such materials originates from a magnetic effect, not from the action of phonons. The work, conducted by researchers at McMaster University in Hamilton, Ontario, Canada, and at Brookhaven National Laboratory in Upton, N.Y., gives further weight to the idea that the phenomenon in the copper oxides is fundamentally different from that in low-transition-temperature superconductors. Below a superconductor's transition temperature,...Read full article

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    Published: April 2004
    Glossary
    astronomy
    The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
    infrared spectroscopy
    The measurement of the ability of matter to absorb, transmit or reflect infrared radiation and the relating of the resultant data to chemical structure.
    astronomyBasic Sciencebismuth-containing copper oxidehigh-temperature superconductivityinfrared spectroscopyMcMaster UniversityResearch & Technologyspectroscopy

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