Nanoscale dynamics of Joule heating and bubble nucleation in a solid-state nanopore
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CitationLevine, Edlyn V., Michael M. Burns, and Jene A. Golovchenko. 2016. “Nanoscale Dynamics of Joule Heating and Bubble Nucleation in a Solid-State Nanopore.” Phys. Rev. E 93 (1) (January 20). doi:10.1103/physreve.93.013124.
AbstractWe present a mathematical model for Joule heating of an electrolytic solution in a nanopore. The model couples the electrical and thermal dynamics responsible for rapid and extreme superheating of the electrolyte within the nanopore. The model is implemented numerically with a finite element calculation, yielding a time and spatially resolved temperature distribution in the nanopore region. Temperatures near the thermodynamic limit of superheat are predicted to be attained just before the explosive nucleation of a vapor bubble is observed experimentally. Knowledge of this temperature distribution enables the evaluation of related phenomena including bubble nucleation kinetics, relaxation oscillation, and bubble dynamics.
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