Dynamical study of the superconducting phase transition of two-dimensional networks
- 1 March 1989
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Magnetics
- Vol. 25 (2) , 1428-1431
- https://doi.org/10.1109/20.92564
Abstract
Granular aluminum wire networks forming square arrays of N×N=1E6 nodes connected by strips of 8-μm long were fabricated with photolithographic techniques. For strip resistances of the order of 1 kΩ the superconducting transition of the network, as evidenced by AC conductance measurements is shown to be of the Kosterlitz-Thouless type. In a perpendicular magnetic field, flux quantization in the loops of the network leads to periodic oscillations of the magnetoconductanceKeywords
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