AFM image of surface of superconductor

AFM image of surface of superconductor

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This image is part of the feature Superconductivity


Caption: High-temperature superconductor. Atomic force micrograph of the surface of a new superconducting material. The colours depict the surface height from black through brown, red, orange and yellow to white. The height is 60 Angstroms (1 Angstrom = 1 ten billionth of a metre). The material consists of atom-thick layers of bismuth calcium strontium cuprate in a crystal substrate, and becomes superconducting below 250 Kelvin (-23 Celsius). Achieved in late 1993, this is some 117 degrees warmer than the previous record. Photographed at the French National Centre for Scientific Research (CNRS).

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Keywords: afm, afm image, atomic force micrograph, cnrs, conductance, conducting, conductivity, conductor, high-tc superconductor, high-temperature, microscopy, physics, superconductor

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