The effect of temperature rise rate on graphene sublimation
Publish Year: 1400
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
FMCBC05_030
تاریخ نمایه سازی: 27 بهمن 1400
Abstract:
In this paper, using molecular dynamics simulation, graphene phase transition with respect to enthalpy and mean square displacement of particle changes in terms of temperature is investigated. Graphene is converted to gaseous carbon chains due to temperature rises. Bond length between the carbon atoms in these carbon chains is shorter than the bond length in graphene. The results demonstrate that the sublimation temperature and latent heat of sublimation increase as a function of temperature rise rate. Therefore, to achieve the laboratory value of these quantities using simulation, the temperature rise rate should be as low as possible.
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Authors
Mohsen Yarifard
Department of Physics, Qazvin Branch, Islamic Azad University, Qazvin, Iran
Jamal Davoodi
Department of Physics, Zanjan University, Zanjan, Iran.