Automatic Prediction of Surface Phase Diagrams Using Ab Initio Grand Canonical Monte Carlo

2019 ◽  
Vol 123 (4) ◽  
pp. 2321-2328 ◽  
Author(s):  
Robert B. Wexler ◽  
Tian Qiu ◽  
Andrew M. Rappe
Keyword(s):  
Monte Carlo ◽  
Ab Initio ◽  
Phase Diagrams ◽  
Grand Canonical Monte Carlo ◽  
Surface Phase ◽  
Grand Canonical

scholarly journals Adsorption of H2 on Penta-Octa-Penta Graphene: Grand Canonical Monte Carlo Study

2020 ◽  
Vol 6 (2) ◽  
pp. 20
Author(s):  
Maxim N. Popov ◽  
Thomas Dengg ◽  
Dominik Gehringer ◽  
David Holec
Keyword(s):  
Monte Carlo ◽  
Monte Carlo Simulations ◽  
Hydrogen Adsorption ◽  
Monte Carlo Study ◽  
Adsorption Properties ◽  
Cryogenic Temperatures ◽  
Grand Canonical Monte Carlo ◽  
New Material ◽  
Grand Canonical ◽  
Carbon Based

In this paper, we report the results of hydrogen adsorption properties of a new 2D carbon-based material, consisting of pentagons and octagons (Penta-Octa-Penta-graphene or POP-graphene), based on the Grand-Canonical Monte Carlo simulations. The new material exhibits a moderately higher gravimetric uptake at cryogenic temperatures (77 K), as compared to the regular graphene. We discuss the origin of the enhanced uptake of POP-graphene and offer a consistent explanation.

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