Monotonic decrease of Tcs with thinning of the superconducting MgB2 layer in MgB2/Ni and MgB2/B alternately-layered thin films

We prepared MgB2/Ni and MgB2/B alternately-layered films using electron beam evaporation and coaxial vacuum arc evaporation techniques without any post-annealing. The thickness of each MgB2 layer was designed to be 42, 24 or 15 nm for both MgB2/Ni and MgB2/B alternately-layered films. We confirmed t...

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Veröffentlicht in:Superconductor science & technology 2007-12, Vol.20 (12), p.1223-1227
Hauptverfasser: Doi, T, Kitaguchi, H, Hata, S, Fukuyama, K, Masuda, K, Takahashi, K, Yoshidome, T, Hakuraku, Y, Kuwano, N
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Sprache:eng
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