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This is an Open Access article under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
(a) Conductance–time traces measured for self-breaking junctions formed with molecules 1–4. (b) Total time and conductance extracted from the time traces of molecules 1–4; each dot represents a single conductance–time trace.