Browsing Articole din publicaţii internaţionale by Author "TRAPPMANN, T."

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Dimensional crossover in fractal multilayered superconductors

SIDORENKO, A.; SÜRGERS, C.; TRAPPMANN, T.; LÖHNEYSEN Von , H. (ELSEVIER, 1994)

Superconducting properties of multilayers consisting of alternating Nb and Cu layers with a fractal stacking sequence have been investigated. Dimensional crossover is observed in the temperature dependence of the parallel ...
Superconducting properties of fractal Nb/Cu multilayers

SIDORENKO, A.; SÜRGERS, C.; TRAPPMANN, T.; LÖHNEYSEN, H. v. (American Physical Society, 1996)

Multilayers of Nb and Cu with a fractal or periodic stacking sequence were prepared by electron-beam evaporation onto sapphire substrates. Their superconductivity was investigated by measurements of Tc and the temperature ...
Upper critical field of periodic and fractal Nb/Cu multilayers

SIDORENKO, A.; SÜRGERS, C.; TRAPPMANN, T.; WOSNITZA, J.; LÖHNEYSEN, H. v. (Springer Nature Switzerland, 1996)

Measurements of the upper critical fieldBc2of superconducting Nb/Cu multilayers with fractal and periodic stacking sequence are reported. A positive curvature of the perpendicular magnetic field Bc2⊥, i.e. an upward deviation ...

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