作者
Anastasiia I Fadeeva, Vitaly A Gorbunov, Pavel V Stishenko, Sergey S Akimenko, Alexander V Myshlyavtsev
发表日期
2021/4/15
期刊
Applied Surface Science
卷号
545
页码范围
148989
出版商
North-Holland
简介
In this theoretical work, we study the influence of the concentration and type of randomly distributed point defects on crystalline solid surfaces on the possibility of self-assembly and thermal stability of surface confined metal-organic networks (SMON). As an example, we chose fundamentally different and well-studied SMONs of Fe-terephthalate on Cu(1 0 0) surface: cloverleaf and single-row structures. Using parallel tempering Monte Carlo simulation, we have determined the concentration thresholds for various types of defects above which the SMONs self-assembly is unfavorable. It is shown that the SMONs melting temperatures decrease equally with an increase in the surface concentration of point defects, regardless of the SMON type. Maximum decrease in the SMON melting temperature relative to the homogeneous surface reaches 15–23%, depending on the defect type. Melting of a more “rigid” single-row …
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