Superconducting MgB2 nanowires have been synthesized in a very high yield by a simple soft-chemical approach combining sol-gel chemistry and pyrolysis techniques (see main image in the figure; scale bar: 10 μm). The long thin nanowires show a superconducting transition temperature, Tc, of ca. 39 K, as shown in the magnetization curve in the inset of the figure.
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