Search for the interatomic Auger effect in nitrous oxide
Mailhiot, Maximilian; Hikosaka, Y.; Jänkälä, Kari; Kivimäki, A.; Küstner-Wetekam, C.; Palaudoux, J.; Pelimanni, Eetu; Penent, F.; Zindel, C.; Patanen, Minna; Lablanquie, P.; Huttula, Marko; Hans, Andreas (2023-05-18)
Mailhiot, M., Hikosaka, Y., Jänkälä, K., Kivimäki, A., Küstner-Wetekam, C., Palaudoux, J., Pelimanni, E., Penent, F., Zindel, C., Patanen, M., Lablanquie, P., Huttula, M., & Hans, A. (2023). Search for the interatomic auger effect in nitrous oxide. Journal of Electron Spectroscopy and Related Phenomena, 265, 147333. https://doi.org/10.1016/j.elspec.2023.147333
© 2023 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
https://creativecommons.org/licenses/by/4.0/
https://urn.fi/URN:NBN:fi-fe2023081696934
Tiivistelmä
Abstract
The interatomic Auger effect following O 1s ionization in N₂O has been experimentally investigated using multi-electron coincidence spectroscopy. The expected transition energies have been established by comparison to the measured N 1s⁻¹v⁻¹ core-valence double ionization energies. We describe a procedure to eliminate the background of two competing processes contributing spectroscopic signatures to the same energy range, namely double Auger decay of the O 1s vacancy and direct single-photon double ionization into the N 1s⁻¹v⁻¹ states. While the interatomic Auger transitions could not be successfully isolated, we provide an upper boundary of the transition probability of 0.07% with respect to the dominant single Auger decay after O 1s ionization.
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