Detecting stable adsorbates of (1S)-camphor on Cu(111) with Bayesian optimization

Jari Jarvi*, Patrick Rinke, Milica Todorovic

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Identifying the atomic structure of organic-inorganic interfaces is challenging with current research tools. Interpreting the structure of complex molecular adsorbates from microscopy images can be difficult, and using atomistic simulations to find the most stable structures is limited to partial exploration of the potential energy surface due to the high-dimensional phase space. In this study, we present the recently developed Bayesian Optimization Structure Search ( BOSS) method as an efficient solution for identifying the structure of non-planar adsorbates. We apply BOSS with density-functional theory simulations to detect the stable adsorbate structures of (1S)-camphor on the Cu(111) surface. We identify the optimal structure among eight unique types of stable adsorbates, in which camphor chemisorbs via oxygen (global minimum) or physisorbs via hydrocarbons to the Cu(111) surface. This study demonstrates that new cross-disciplinary tools, such as BOSS, facilitate the description of complex surface structures and their properties, and ultimately allow us to tune the functionality of advanced materials.

Original languageEnglish
Pages (from-to)1577-1589
Number of pages13
JournalBeilstein Journal of Nanotechnology
Publication statusPublished - 19 Oct 2020
MoE publication typeA1 Journal article-refereed


  • Bayesian optimization
  • camphor
  • Cu(111)
  • density-functional theory
  • electronic structure
  • organic surface adsorbates
  • physical chemistry
  • structure search
  • surface science


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