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Formation of Unique Trimer of NO on Cu(111)

  • Akitoshi ShiotariEmail author
Chapter
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Part of the Springer Theses book series (Springer Theses)

Abstract

In this chapter, the unexpected formation of a NO trimer on Cu(111) is reported. Using STM at 6 K, the NO molecule was found to be bonded to the fcc hollow site in an upright configuration. The individual NO molecule is imaged as a ring-like protrusion, which is characteristic of the doubly degenerate \(2\pi ^*\) orbital. The triangular trimer is thermodynamically more favorable than a monomer or a dimer, and its bonding structure was characterized by STM manipulation. This unique behavior of NO on Cu(111) is ascribed to the threefold symmetry of the surface, facilitating the effective mixing of the \(2\pi ^*\) orbitals in a triangular configuration.

Keywords

Valence orbitals Nitric oxide trimers Scanning tunneling microscopy 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2017

Authors and Affiliations

  1. 1.The University of TokyoKashiwaJapan

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