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Near-ambient Pressure X-ray Photoelectron Spectroscopy 2022

Near-ambient-pressure X-ray photoelectron spectroscopy (NAP-XPS) is rapidly finding wide-spread usage. NAP-XPS systems feature extraction optics with multiple stages of differential pumping that allow spectra to be collected from specimens residing in test chambers over a wide range of pressures (ultra-high vacuum to 10 kPa). These systems can be used with either laboratory-based or synchrotron-based sources. In addition to being able to analyze materials with high vapor pressures, NAP-XPS has also found operando applications such as gas dosing, electrochemistry, and catalysis. This special topic collection features papers in which NAP-XPS is used.

Image Credit: Marit Kjærvik, Karin Schwibbert, Paul M. Dietrich and Wolfgang E. S. Unger, Surface Science Spectra 29, 014008 (2022);

Special Collection Image
Marit Kjærvik; Karin Schwibbert; Paul M. Dietrich; Wolfgang E. S. Unger
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