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- Title
Atomistic nature of amorphous graphite.
- Authors
Ugwumadu, C.; Nepal, K.; Thapa, R.; Drabold, D. A.
- Abstract
This paper focuses on the structural, electronic, and vibrational features of amorphous graphite [R. Thapa et al, Phys. Rev. Lett., 2022, 128, 236402]. The structural order in amorphous graphite is discussed and compared with graphite and amorphous carbon. The electronic density of states and localization in these phases were analyzed. Spatial projection of charge densities in the π bands showed a high charge concentration on participating atoms in connecting hexagons. A vibrational density of states was computed and is potentially an experimentally testable fingerprint of the material. An analysis of the vibrational modes was carried out using the phase quotient, and the mode stretching character. The average thermal conductivity calculated for aG was 0.85 and 0.96 W/cmK at room temperature and 1000 K, respectively.
- Subjects
ELECTRONIC density of states; AMORPHOUS carbon; DENSITY of states; THERMAL conductivity
- Publication
Physics & Chemistry of Glasses: European Journal of Glass Science & Technology Part B, 2023, Vol 64, Issue 1, p16
- ISSN
1753-3562
- Publication type
Article
- DOI
10.13036/17533562.64.1.18