High-temperature superconductivity

The second stage of APL'S continuing program on high-temperature superconductors, including recent advances, is reviewed. Present emphasis is on producing the high quality samples needed for current experiments and envisioned devices, development of novel methods for judging sample quality, and device concepts using various novel structural features of the cuprate oxide superconductors, such as their intrinsic Josephson junctions. Addititionally, some theoretical investigations and the interplay of superconductivity and magnetism in high-temperature superconductors are discussed.

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