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The influence of defects on the Ni 2p and O 1s XPS of NiO

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Uhlenbrock, St, Scharfschwerdt, C, Neumann, M, Illing, G, Freund, H -J·1992·Journal of Physics: Condensed Matter

Abstract

The Ni 2p and O 1s XPS of NiO single crystals were measured using monochromatic Al K alpha radiation. Different treatments of the crystals allow the authors to give a description of the influence of defects on these spectra. The Ni 2p 3/2 spectrum of in-situ-cleaved NiO exhibits clearly visible features at 854.1 ev 855.6 eV and 861 eV. The intensity ratio changes after ion bombardment and an additional peak at 852.2 eV appears. Apart from a slight increase in linewidth the O 1s spectrum remains unchanged. The O 1s spectrum from an in-situ-cleaved NiO single crystal exhibits only a single peak at 529.4 eV which can be fitted by a Gaussian line profile. Further measurements allow the authors to attribute the well known O 1s satellite at 531.2 eV to emission from oxygen-containing species adsorbed at defects.

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Metadata

Authors
Uhlenbrock, S., Scharfschwerdt, C., Neumann, M., Illing, G., & Freund, H. J.
Venue
Journal of Physics: Condensed Matter
Published
1992-10-05
Volume
4
Issue
40
Pages
7973-7978
ISSN
0953-8984 (ISSN-L)
OpenAlex
W2050017442
Cited by
320
References
3
FWCI
3.10
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: The influence of defects on the Ni 2p and O 1s XPS of NiO. https://app.cochat.ai/papers/10.1088/0953-8984/4/40/009
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Uhlenbrock, S., Scharfschwerdt, C., Neumann, M., Illing, G., & Freund, H. J. (1992). The influence of defects on the Ni 2p and O 1s XPS of NiO. Journal of Physics: Condensed Matter. https://doi.org/10.1088/0953-8984/4/40/009

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