Eytan, G.; Zaken, E.; Rosenbaum, R.; McLachlan, D.S.; … - In: Physica A: Statistical Mechanics and its Applications 207 (1994) 1, pp. 240-244
Granular Al-Ge films, just on the metallic side of the critical volume fraction φc (50.7% Al), are found to have critical fields in excess of 1.5T at 0.47 K due to the fine granular nature of the Al. In barely insulating films where φc − φ 2.2% (φ is the volume fraction of aluminum),...