Metal-insulator transition in icosahedral AlPdRe thin films

Ralph Rosenbaum, Roland Haberkern, Peter Häussler, Eric Palm, Tim Murphy, Scott Hannahs, Bruce Brandt

Research output: Contribution to journalArticlepeer-review


Thin 2200 angstroms icosahedral films with compositions near Al72Pd20Re8 have been fabricated on quartz glass substrates. Some of the films exhibited insulating transport properties down to 0.07 K where their resistivities followed an activated `Mott' variable-range hopping law. Other films exhibited metallic transport properties. In addition, the precursor amorphous AlPdRe films were observed to make superconducting transitions below 0.6 K; thus the amorphous and icosahedral structures exhibit contrasting metallic and insulating transport behaviours.

Original languageEnglish
Pages (from-to)9735-9749
Number of pages15
JournalJournal of Physics Condensed Matter
Issue number47
StatePublished - 27 Nov 2000


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