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  Role of preferential weak hybridization between the surface-state of a metal and the oxygen atom in the chemical adsorption mechanism

Kim, Y. S., Jeon, S. H., Bostwick, A., Rotenberg, E., Ross, P. N., Walter, A. L., et al. (2013). Role of preferential weak hybridization between the surface-state of a metal and the oxygen atom in the chemical adsorption mechanism. Physical Chemistry Chemical Physics, 15(43), 19019-19023. doi:10.1039/C3CP53376J.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0014-BC6D-0 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-9753-0
Genre: Journal Article

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 Creators:
Kim, Yong Su1, 2, Author
Jeon, Sang Ho3, Author
Bostwick, Aaron1, Author
Rotenberg, Eli1, Author
Ross, Philip N.4, Author
Walter, Andrew L.1, 5, Author           
Chang, Young Jun1, 6, Author
Stamenkovic, Vojislav R.7, Author
Markovic, Nenad M.7, Author
Noh, Tae Won2, Author
Han, Seungwu3, Author
Mun, Bongjin Simon8, Author
Affiliations:
1Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, USA , ou_persistent22              
2CFI-CES, IBS and Department of Physics & Astronomy, Seoul National University, Seoul 151-747, Korea , ou_persistent22              
3Department of Materials Science and Engineering, Seoul National University, Seoul 151-744, Korea , ou_persistent22              
4Materials and Molecular Research Division, Lawrence Berkeley National Laboratory, Berkeley, USA , ou_persistent22              
5Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              
6Department of Physics, University of Seoul, Seoul 130-743, Korea , ou_persistent22              
7Materials Science Division, Argonne National Laboratory, Argonne, USA , ou_persistent22              
8Department of Physics & Photon Science, ERTL Center, Gwangju Institute of Science and Technology, Gwangju 500-712, Korea , ou_persistent22              

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 Abstract: We report on the chemical adsorption mechanism of atomic oxygen on the Pt(111) surface using angle-resolved-photoemission spectroscopy (ARPES) and density functional calculations. The detailed band structure of Pt(111) from ARPES reveals that most of the bands near the Fermi level are surface-states. By comparing band maps of Pt and O/Pt, we identify that dxz (dyz) and dz2 orbitals are strongly correlated in the surface-states around the symmetry point M and K, respectively. Additionally, we demonstrate that the s- or p-orbital of oxygen atoms hybridizes preferentially with the dxz (dyz) orbital near the M symmetry point. This weak hybridization occurs with minimal charge transfer.

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Language(s): eng - English
 Dates: 2013-08-082013-09-202013-09-232013-11-21
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1039/C3CP53376J
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Title: Physical Chemistry Chemical Physics
  Abbreviation : Phys. Chem. Chem. Phys.
Source Genre: Journal
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Publ. Info: Cambridge, England : Royal Society of Chemistry
Pages: - Volume / Issue: 15 (43) Sequence Number: - Start / End Page: 19019 - 19023 Identifier: ISSN: 1463-9076
CoNE: https://pure.mpg.de/cone/journals/resource/954925272413_1