Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N42: 2D Materials: Advanced Characterization III
11:30 AM–2:18 PM,
Wednesday, March 8, 2023
Room: Room 318
Sponsoring
Unit:
DMP
Chair: Sujitra Pookpanratana, National Institute of Standards and Tech
Abstract: N42.00012 : Thermal Conductivity of Highly Anisotropic 2D Polymerized Fullerenes*
2:06 PM–2:18 PM
Presenter:
Milena Milich
(University of Virginia)
Author:
Milena Milich
(University of Virginia)
In this work, we measure the thermal conductivity of polymerized fullerenes using time-domain thermoreflectance (TDTR), an optical pump-probe technique for measuring thermal properties of thin films and nanostructures. We also present spatially resolved thermoreflectance maps of Mg4C60 and the resulting deintercalated (C60)inf. Molecular dynamics simulations demonstrate extreme anisotropy in both the magnesium doped and deintercalated samples, and predict an average thermal conductivity significantly higher than that of a single-crystal fullerene, in agreement with experimental results.
*We appreciate funding from the Office of Naval Research (ONR) grant number N00014-20-1-2686
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