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Selective resolution of phonon modes in STM-IETS on clean and oxygen-adsorbed Cu(100) surfaces

Title
Selective resolution of phonon modes in STM-IETS on clean and oxygen-adsorbed Cu(100) surfaces
Authors
Lee, MinjunOh, MyungchulJeon, HoyeonYi, SunwoukZoh, InhaeZhang, ChaoChae, JungseokKuk, Young
Issue Date
2019-11
Citation
Surface Science, 689, 121451
Type
Article
Article Type
Article
Keywords
MOLECULE VIBRATIONAL SPECTROSCOPYMAGNETIC-ANISOTROPYSINGLE
ISSN
0039-6028
Abstract
The observation of surface phonon using scanning probe microscopy can provide important information related to local structural and electrical properties. In this study, surface phonon modes on a Cu(100) surface were measured using inelastic tunneling spectroscopy of scanning tunneling microscopy. One phonon mode was measured at 3.6 meV on a clean Cu(100) surface. On an oxygen-adsorbed Cu(100) surface, another phonon mode was measured at 13.5 meV. This phonon mode was considered to be enhanced by the symmetry created by Cu-missing rows. The spatially varying d2I/dV2 map showed the effect of surface stress relaxation. © 2019
URI
http://hdl.handle.net/20.500.11750/10935
DOI
10.1016/j.susc.2019.06.001
Publisher
Elsevier BV
Files:
There are no files associated with this item.
Collection:
ETC1. Journal Articles


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