FIELD: electricity.
SUBSTANCE: invented superconductive wire (10) includes superconductive layer (3) formed on metal bottom-layer which is oriented metal bottom-layer (1). Angular displacement of crystallographic axis relative to orientation axis in surface layer extending from surface to depth of 300 nm constitutes 25° or less, at that surface is smoothed so that it has surface grain Rp-v of 150 nm or less. Also manufacturing method for such superconductive wire is disclosed. Superconductive wire has high superconductive performance due to smoothing of metal bottom-layer, and at the same time, biaxial orientation is preserved in surface layer of metal base (fig. A-E).
EFFECT: improvement of wire superconductivity properties.
14 cl, 7 dwg, 3 tbl, 8 ex
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