Publication
Physical Review B
Paper

Cluster-size distribution in Al-Al2O3 films near the metal-insulator transition

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Abstract

We have measured the cluster-size distribution in thin Al-Al2O3 films near the metal-insulator transition for sheet resistances of about 1000 Ω and metal area fraction of the order of 0.5. Our results show for the first time that this distribution follows a power-law dependence and that the perimeter-to-area ratio is approximately constant for large clusters. We find good quantitative agreement between our obseryations and the predictions of percolation theory. © 1982 The American Physical Society.

Date

15 Feb 1982

Publication

Physical Review B

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