Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 5, Issue 20, Pages 3560-3564Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jz5019459
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Funding
- Swiss National Science Foundation [200020_144471, NFP 62, Sinergia CRSII2 126969/1]
- Swiss Commission for Technology and Innovation [13696.1]
- COST Action [TD 1002]
- OTKA [105735]
- bilateral mobility program of HAS [SNK-61/2013]
- Sciex [10.209]
- Swiss National Science Foundation (SNF) [200020_144471] Funding Source: Swiss National Science Foundation (SNF)
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Forces acting on elongated gold nanojunctions and their electric conductance were simultaneously measured by current-sensing force spectroscopy in an atmosphere with controlled humidity. The breaking force of thick nanojunctions with conductance >20G(0) is not affected by the environmental humidity. The presence of ambient water stabilizes thin nanojunctions with conductance <15G(0), whose breaking force of 10-15 nN was higher than that in a dry atmosphere due to the capillary forces. The observed effect of humidity would not be possible to distinguish by techniques measuring only forces or only conductance in nanojunctions.
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