Evidence of quantum phase slip effect in titanium nanowires

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

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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
Publication statusPublished - Mar 2012
MoE publication typeA1 Journal article-refereed

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    Lehtinen, J. S., Sajavaara, T., Arutyunov, K. Y., Presnjakov, M. Y., & Vasiliev, A. L. (2012). Evidence of quantum phase slip effect in titanium nanowires. Physical Review B, 85, [094508]. https://doi.org/10.1103/physrevb.85.094508