2013
DOI: 10.1063/1.4820823
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The atomic and electronic structures of NiO(001)/Au(001) interfaces

Abstract: The atomic and electronic structures of NiO(001)∕Au(001) interfaces were analyzed by high-resolution medium energy ion scattering (MEIS) and photoelectron spectroscopy using synchrotron-radiation-light. The MEIS analysis clearly showed that O atoms were located above Au atoms at the interface and the inter-planar distance of NiO(001)∕Au(001) was derived to be 2.30 ± 0.05 Å, which was consistent with the calculations based on the density functional theory (DFT). We measured the valence band spectra and found me… Show more

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Cited by 10 publications
(12 citation statements)
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References 44 publications
(52 reference statements)
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“…The theoretical prediction, together with recent experimental confirmations using ultrathin-film systems (see, e.g., Ref. [37]), agrees very well with the present experimental observations for ultrathin Ge films on the Al metal. However, these theoretical calculations on band-gap modification provide no direct information on the change of the nature of the chemical bonding in the semiconductor close to the interface with the metal.…”
supporting
confidence: 90%
“…The theoretical prediction, together with recent experimental confirmations using ultrathin-film systems (see, e.g., Ref. [37]), agrees very well with the present experimental observations for ultrathin Ge films on the Al metal. However, these theoretical calculations on band-gap modification provide no direct information on the change of the nature of the chemical bonding in the semiconductor close to the interface with the metal.…”
supporting
confidence: 90%
“…Air exposure also induces a shift of the Ni‐derived states in valence‐band spectra due to surface oxidation [ 39,40 ] (see experimental data measured with a photon energy of 596 eV reported in Figure S9b and Figure S11 for the assignment in the Supporting Information). Using a photon energy of 380 eV (Figure S10a, Supporting Information), a broad feature at a BE of about 5 eV, which is associated with O‐2p states, [ 39 ] is also detected.…”
Section: Resultsmentioning
confidence: 99%
“…Fermi-Dirac distribution for the MgO interband transition. 36 A more detailed description of the experimental spectra. The small contribution at 2.8 eV that is visible in the fit for Fe@Ag is due to the presence of Ag NPs nucleated without Fe core, as evidenced from the slightly larger NP density after Ag deposition on Fe.…”
Section: Resultsmentioning
confidence: 99%