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Focused Topic Collection: Near-ambient pressure x-ray photoelectron spectroscopy

Near-ambient-pressure X-ray photoelectron spectroscopy (NAP-XPS) is a relatively new form of XPS which 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 focused topic collection features papers in which NAP-XPS is used.

Image credit: Christopher R. O'Connor, Jorge Anibal Boscoboinik, Mustafa Karatok and Matthijs A. van Spronsen, Surface Science Spectra 28, 014008 (2021);

Special Collection Image
Christopher R. O’Connor; Jorge Anibal Boscoboinik; Mustafa Karatok; Matthijs A. van Spronsen
Tahereh G. Avval; Sean C. Chapman; Victoria Carver; Paul Dietrich; Andreas Thißen; Matthew R. Linford
Paul Dietrich
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