Unconventional superconductors are materials that exhibit superconductivity through mechanisms that differ from the conventional Bardeen-Cooper-Schrieffer (BCS) theory, which typically involves electron pairing mediated by lattice vibrations. These materials often display complex behaviors, such as anisotropic pairing and strong correlations, leading to unique properties like high-temperature superconductivity and non-standard pairing symmetries. Understanding the fabrication techniques and challenges associated with these superconductors is crucial for developing practical applications in technology.
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