Bulletin of the American Physical Society
90th Annual Meeting of the Southeastern Section of the APS
Thursday–Saturday, November 9–11, 2023; Eastern Kentucky University, Richmond, Kentucky
Session E01: Poster Session
6:00 PM,
Thursday, November 9, 2023
Keen Johnson
Room: Walnut Hall
Abstract: E01.00004 : Thermal Conductivity Across Metal/Metal Oxide Interfaces*
Presenter:
Anya K Frazer
(The University of North Carolina at Chapel Hill)
Authors:
Anya K Frazer
(The University of North Carolina at Chapel Hill)
Bradly Baer
(Vanderbilt University)
Greg Walker
(Vanderbilt University)
Our method predicts thermal conductivities of bulk iron and iron oxide to the same order of magnitude as experiment. The addition of the TTM improves the prediction of thermal conductivity of iron compared to MD alone, indicating significant electronic contributions in the thermal conductivity of iron. The TTM is not applicable to iron oxide due to a deficiency of conduction electrons. Our results indicate a large temperature drop across the metal/metal oxide interface. Our approach is transferable to other metal/insulator systems.
*This work was funded by the National Science Foundation (NSF-DMR 1852157) and National Renewable Energy Lab (DE-AC36-08GO28308), and made possible by the Vanderbilt VINSE REU.
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