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Chemical States of Nitrogen in ZnO Studied by near-edge X-ray Absorption Fine Structure and Core-level Photoemission Spectroscopies

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Date

2006

Authors

Petravic, Mladen
Deenapanray, Prakash
Coleman, Victoria A
Jagadish, Chennupati
Kim, K J
Kim, Bongsoo
Koike, Kazuto
Sasa, Shigehiko
Inoue, Masataka
Yano, Mitsuaki

Journal Title

Journal ISSN

Volume Title

Publisher

Elsevier

Abstract

Interaction of low-energy nitrogen ions with ZnO surface has been studied by photoemission spectroscopy (PES) around N 1s core-level 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.

Description

Keywords

Keywords: Ion bombardment; Ions; Structure (composition); X ray photoelectron spectroscopy; Zinc oxide; NEXAFS; Nitrogen ions; Photoemission spectroscopy; Nitrogen NEXAFS; Nitrogen ions; Photoemission spectroscopy; ZnO

Citation

URI

http://hdl.handle.net/1885/85025

Collections

ANU Research Publications

Source

Surface Science

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1016/j.susc.2006.01.015

Restricted until

2037-12-31

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