Chemical states of nitrogen in ZnO studied by near-edge X-ray absorption fine structure and core-level photoemission spectroscopies (CROSBI ID 132065)
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Podaci o odgovornosti
Petravić, Mladen ; Deenapanray, P. N. K. ; Coleman, V. A. ; Kim, K-J. ; Kim, B. ; Jagadish, C. ; Kioke, K. ; Sasa, S. ; Inoue, M. ; Yano, M.
engleski
Chemical states of nitrogen in ZnO studied by near-edge X-ray absorption fine structure and core-level photoemission spectroscopies
Interaction of low-energy nitrogen ions with ZnO surface has been studied by photoemission spectroscopy (PES) around N 1s corelevel and near-edge X-ray absorption fine structure (NEXAFS) around N K-edge. Nitrogen can break Zn-O bonds at the surface and form N-O, Zn-N or Zn-N-O bonds, characterised by specific chemical shifts in PES or absorption peaks in NEXAFS. A distinctive signal from molecular nitrogen has also been observed in ion-bombarded samples in both NEXAFS and PES. (c) 2006 Elsevier B.V. All rights reserved.
ZnO; NEXAFS; photoemission spectroscopy; nitrogen ions
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