Thermally-Induced Structural Evolution of Silicon- and Oxygen-Containing Hydrogenated Amorphous Carbon
Year: 2017
Type: preprint
Abstract: The thermally-induced structural evolution of silicon- and oxygen-containing hydrogenated amorphous carbon (a-C:H:Si:O) was investigated by X-ray photoelectron and absorption spectroscopy, as well as molecular dynamics (MD) simulations. The spectroscopic results indicate that the introduction of Si and O in hydrogenated amorphous carbon (a-C:H) increases the activation energy for the conversion of sp3- to sp2-bonded C. MD simulations indicate that the higher thermal stability of a-C:H:Si:O compared to a-C:H derives from the lower fraction of strained C-C sp3 bonds in a-C:H:Si:O.
Source: arXiv (Cornell University)
Institutions: University of Leeds, University of Pennsylvania
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
Awards: G1126863173, G1270220006, G1286251239, G132563423, G1336448005, NanoTribochemical Investigation of Advanced Lubricants, G1572106353, In Situ Analytical Tribology for Investigating Advanced Carbon-Based Materials, G498139845, G5292656900, G549834383, Materials World Network: Mechanics and Durability of Diamond-Like Nanocomposites (MADDiLiN): An International Collaboration to Understand Tribo-Mechanical Multiphysical Phenomena, G8507651203, G969889393
OpenAlex ID: W2765870908