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Publication
Physical Review Letters
Paper
Transition to localization in granular aluminum films
Abstract
The temperature dependence of the electrical resistivity of granular aluminum films changes from one regime to another as their superconducting transition temperatures drop towards absolute zero. In nonsuperconducting specimens we observe the exponential behavior associated with strong localization. In the other regime the specimens show a weaker, logarithmic dependence. © 1980 The American Physical Society.