Flux-periodicity crossover from h/2e to h/e in aluminium nano-loops

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ESPY, Christopher, Omri J. SHARON, Julian BRAUN, Rebekka GARREIS, Florian STRIGL, Avner SHAULOV, Paul LEIDERER, Elke SCHEER, Yosef YESHURUN, 2018. Flux-periodicity crossover from h/2e to h/e in aluminium nano-loops. In: Journal of Physics: Conference Series. 969, 012063. ISSN 1742-6588. eISSN 1742-6596. Available under: doi: 10.1088/1742-6596/969/1/012063

@article{Espy2018-04-19Fluxp-43577, title={Flux-periodicity crossover from h/2e to h/e in aluminium nano-loops}, year={2018}, doi={10.1088/1742-6596/969/1/012063}, volume={969}, issn={1742-6588}, journal={Journal of Physics: Conference Series}, author={Espy, Christopher and Sharon, Omri J. and Braun, Julian and Garreis, Rebekka and Strigl, Florian and Shaulov, Avner and Leiderer, Paul and Scheer, Elke and Yeshurun, Yosef}, note={Article Number: 012063} }

Garreis, Rebekka 2018-10-18T12:55:35Z Leiderer, Paul Shaulov, Avner Strigl, Florian Espy, Christopher We study the magnetoresistance of aluminium 'double-networks' formed by connecting the vertexes of nano-loops with relatively long wires, creating two interlaced subnetworks of small and large loops (SL and LL, respectively). Far below the critical temperature, Aharonov-Bohm like quantum interference effects are observed for both the LL and the SL subnetworks. When approaching T <sub>c</sub>, both exhibit the usual Little-Parks oscillations, with periodicity of the superconducting flux quantum Φ <sub>0</sub> =h/2e. For one sample, with a relatively large coherence length, ξ, at temperatures very close to T <sub>c</sub>, the Φ <sub>0</sub> periodicity of the SL disappears, and the waveform of the first period is consistent with that predicted recently for loops with a size a < ξ, indicating a crossover to 2Φ <sub>0</sub> periodicity. terms-of-use Garreis, Rebekka Scheer, Elke Leiderer, Paul Espy, Christopher Yeshurun, Yosef 2018-04-19 eng Strigl, Florian Sharon, Omri J. Braun, Julian Shaulov, Avner 2018-10-18T12:55:35Z Flux-periodicity crossover from h/2e to h/e in aluminium nano-loops Yeshurun, Yosef Braun, Julian Scheer, Elke Sharon, Omri J.

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