Near-ambient pressure x-ray photoelectron spectroscopy (NAP-XPS) is a less traditional form of XPS that allows samples to be analyzed at relatively high pressures, i.e., at ca. 2500 Pa, or even higher in some cases. With NAP-XPS, XPS can probe moderately volatile liquids, biological samples, porous materials, and/or polymeric materials that outgas significantly. In this submission, we show NAP-XPS survey and narrow scans from nitrogen gas (N2), a material that could not be analyzed at moderate pressures by conventional approaches. Nitrogen gas is an important reference material for NAP-XPS because residual N2 from the air and/or venting produces an N 1s signal in many NAP-XPS spectra. Nitrogen gas may also be deliberately employed as the gaseous background for NAP-XPS experiments. The survey spectrum of N2 gas contains N 1s, N 2s, N KLL (Auger), and valence band signals. This submission is part of a series of articles on NAP-XPS that has been submitted to Surface Science Spectra.
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June 2019
Research Article|
July 16 2019
Nitrogen gas (N2), by near-ambient pressure XPS
Dhruv Shah;
Dhruv Shah
1
Department of Chemistry and Biochemistry, Brigham Young University
, C100 BNSN, Provo, Utah 84602
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Stephan Bahr;
Stephan Bahr
2
SPECS Surface Nano Analysis GmbH
, Voltastrasse 5, 13355 Berlin, Germany
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Paul Dietrich
;
Paul Dietrich
2
SPECS Surface Nano Analysis GmbH
, Voltastrasse 5, 13355 Berlin, Germany
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Michael Meyer;
Michael Meyer
2
SPECS Surface Nano Analysis GmbH
, Voltastrasse 5, 13355 Berlin, Germany
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Andreas Thißen;
Andreas Thißen
2
SPECS Surface Nano Analysis GmbH
, Voltastrasse 5, 13355 Berlin, Germany
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Matthew R. Linford
Matthew R. Linford
a)
1
Department of Chemistry and Biochemistry, Brigham Young University
, C100 BNSN, Provo, Utah 84602
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Dhruv Shah
1
Stephan Bahr
2
Paul Dietrich
2
Michael Meyer
2
Andreas Thißen
2
Matthew R. Linford
1,a)
1
Department of Chemistry and Biochemistry, Brigham Young University
, C100 BNSN, Provo, Utah 84602
2
SPECS Surface Nano Analysis GmbH
, Voltastrasse 5, 13355 Berlin, Germany
a)
Electronic mail: [email protected]
Surf. Sci. Spectra 26, 014023 (2019)
Article history
Received:
May 15 2019
Accepted:
June 07 2019
Citation
Dhruv Shah, Stephan Bahr, Paul Dietrich, Michael Meyer, Andreas Thißen, Matthew R. Linford; Nitrogen gas (N2), by near-ambient pressure XPS. Surf. Sci. Spectra 1 June 2019; 26 (1): 014023. https://doi.org/10.1116/1.5110301
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