Thermal broadening in core level and valence band XPS

Roxanna Lee; Robert Palgrave; Mark Isaacs

doi:10.1117/12.2647595

11 January 2023 Thermal broadening in core level and valence band XPS

Roxanna Lee, Robert Palgrave, Mark Isaacs

Proceedings Volume 12337, Photoemission Spectroscopy for Materials Analysis II; 123370A (2023) https://doi.org/10.1117/12.2647595
Event: SPIE Photonex, 2022, Birmingham, United Kingdom

Abstract

Interpretation of the lineshape in XPS is often crucial to reliable analysis of core level spectra. A major contributor to the lineshape is thermal broadening of the ground state. The effect of thermal broadening on the linewidth of core level and valence band spectra was explored for a series of alkali metal halides: CsF, CsI, NaF, NaI and related compounds. Variation in temperature from -100 °C to +100 °C led to changes in the linewidths for both core level and valence band spectra. Interpretation of the valence band region was supported by theoretical spectra, simulated using density functional theory.

Conference Presentation

Citation Download Citation

Roxanna Lee, Robert Palgrave, and Mark Isaacs "Thermal broadening in core level and valence band XPS", Proc. SPIE 12337, Photoemission Spectroscopy for Materials Analysis II, 123370A (11 January 2023); https://doi.org/10.1117/12.2647595

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