Superconductor-insulator transition in two dimensions

N. Marković, C. Christiansen, A. M. Mack, W. H. Huber, A. M. Goldman

Research output: Contribution to journalArticlepeer-review

121 Scopus citations


The superconductor-insulator transition of ultrathin films of bismuth, grown on liquid-helium-cooled substrates, has been studied. The transition was tuned by changing both film thickness and perpendicular magnetic field. Assuming that the transition is controlled by a T=0 critical point, a finite-size scaling analysis was carried out to determine the correlation length exponent v and the dynamical critical exponent z. The phase diagram and the critical resistance have been studied as a function of film thickness and magnetic field. The results are discussed in terms of bosonic models of the superconductor-insulator transition, as well as the percolation models which predict finite dissipation at T=0.

Original languageEnglish (US)
Pages (from-to)4320-4328
Number of pages9
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number6
StatePublished - 1999


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