Electrical transport in bismuth whiskers at millikelvin temperatures

P J Hakonen*, G Nunes Jr

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

The authors have investigated the electrical conductivity of 1-5 mu m thick bismuth whiskers at temperatures down to 20 mK, and in parallel and perpendicular magnetic fields up to 9 T. In parallel fields they searched for, but found no evidence of, triplet-paired multivalley superconductivity. In perpendicular fields H>0.5 T they observe a small temperature-dependent contribution to the resistivity on top of the large classical magnetoresistance; comparison with predicted electron-electron interaction effects suggests that the dominant conduction path is a two-dimensional surface layer.

Original languageEnglish
Pages (from-to)7153-7160
Number of pages8
JournalJournal of physics: Condensed matter
Volume3
Issue number37
DOIs
Publication statusPublished - 1991
MoE publication typeA1 Journal article-refereed

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