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Spontaneous shape distortion in quench-condensed bismuth clusters below 8 K | | S E Kubatkin
; A V Danilov
; H Olin
; T Claeson
; | | Date: |
19 Jun 2000 | | Journal: | Phys Rev Lett, 84 (25), 5836-9 | | Abstract: | We study single-electron transport in quench-condensed bismuth films. By lateral confinement, we select a specific cluster of about 10(3) atoms and use tunneling barriers that appear naturally during thin-film formation. A remarkable reversible increase of the sample conductance up to 5 times was found as the temperature was lowered from 11 to 4 K. We attribute this effect to a spontaneous distortion of the cluster shape and discuss its relation to a phase transition predicted for free metallic clusters. | | Source: | PubMed, pmid10991067 | | Services: | Forum | Review | Favorites | |
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