Evidence of quantum phase slip effect in titanium nanowires

J. S. Lehtinen, T. Sajavaara, K. Yu Arutyunov, M. Yu Presnjakov, A. L. Vasiliev

Research output: Contribution to journalArticleScientificpeer-review

38 Citations (Scopus)

Abstract

Electron transport properties of titanium nanowires were experimentally studied. Below the effective diameter ≲50 nm all samples demonstrated a pronounced broadening of the R(T) dependencies, which cannot be accounted for by thermal fluctuations. Extensive microscopic and elemental analyses indicate the absence of structural or/and geometrical imperfections capable of broadening the R(T) transition to such an extent. We associate the effect with quantum fluctuations of the order parameter.
Original languageEnglish
Article number094508
JournalPhysical Review B
Volume85
DOIs
Publication statusPublished - Mar 2012
MoE publication typeA1 Journal article-refereed

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