Abstract

The thermal stability of the PbO-coated Pb nanoclusters was evaluated in different ambient pressures by the temperature-variable Raman scattering and transmission electron microscopy. The change of the inner pressure was presented by Raman scattering to demonstrate the cell’s collapse with the final formation of the liquid nanojets. The different ambient pressures were used to tune the working of the nanojet from no jet production to multiple jets. An interpretation of gas-participated cooling that improves the working stability of the nanonozzles was proposed. The ambient-sensitive working stability was suggested to be a universal effect for the few-atom-contained nanodevices.

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