Publications of R. Friedl

Friedl, R.; Fröhler-Bachus, C.; Fantz, U.: Determining absolute VUV fluxes for assessing the relevance of photon-surface interaction in ion sources. Journal of Physics: Conference Series 2743, 012011 (2024)

Heiler, A.; Friedl, R.; Fantz, U.: Impact of the photoelectric threshold sensitivity on the work function determination – Revealing ultra-low work functions of caesiated surfaces. AIP Advances 12, 035339 (2022)

Wünderlich, D.; Briefi, S.; Friedl, R.; Fantz, U.: Emission spectroscopy of negative hydrogen ion sources: From VUV to IR. Review of Scientific Instruments 92, 123510 (2021)

Heiler, A.; Friedl, R.; Fantz, U.: Application of a Langmuir probe AC technique for reliable access to the low energy range of electron energy distribution functions in low pressure plasmas featured. Journal of Applied Physics 127, 113302 (2020)

Friedl, R.; Fantz, U.: Influence of H₂ and D₂ plasmas on the work function of caesiated materials. Journal of Applied Physics 122, 083304 (2017)

Kurutz, U.; Friedl, R.; Fantz, U.: Investigations on Cs-free alternatives for negative ion formation in a low pressure hydrogen discharge at ion source relevant parameters. Plasma Physics and Controlled Fusion 59, 075008 (2017)

Fantz, U.; Briefi, S.; Friedl, R.; Kammerloher, M.; Kolbinger, J.; Oswald, A.: Initial Phase of a Large Atmospheric Plasmoid Generated above a Water Surface. IEEE Transactions on Plasma Science 42 (10), pp. 2624 - 2625 (2014)

Fantz, U.; Kalafat, S.; Friedl, R.; Briefi, S.: Generation of an atmospheric plasmoid from a water discharge: An analysis of the dissipated energy. Journal of Applied Physics 114, 043302 (8pp) (2013)

Fantz, U.; Friedl, R.; Fröschle, M.: Controllable evaporation of cesium from a dispenser oven. Review of Scientific Instruments 83, 123305 (5pp) (2012)

Friedl, R.; Fantz, U.: Spectral intensity of the N₂ emission in argon low-pressure arc discharges for lighting purposes. New Journal of Physics 14, 043016 (22pp) (2012)

Friedl, R.; Fantz, U.: Influence of cesium on the plasma parameters in front of the plasma grid in sources for negative hydrogen ions. In: Third International Symposium on Negative Ions, Beams and Sources (NIBS 2012), pp. 255 - 262 (Eds. Tarvainen, O.; Kalvas, T.). American Institute of Physics, Melville, TN (2013)

Stockli, M. P.; Faircloth, D.; Kraus, W.; Ando, A.; Bollinger, D. S.; Briefi, S.; Fantz, U.; Friedl, R.; Kashiwagi, M.; King, D. et al.; Koivisto, H.; Han, B. X.; Lettry, J.; Takeiri, Y.; Tarvainen, O.; Tsumori, K.; Welton, R. F.; Wimmer, C.: Workshop on performance variations in H⁻ ion sources 2012: PV H⁻12. In: Third International Symposium on Negative Ions, Beams and Sources (NIBS 2012), pp. 594 - 597 (Eds. Tarvainen, O.; Kalvas, T.). American Institute of Physics, Melville, TN (2013)

Friedl, R.; Fantz, U.: Fundamental studies on the Cs dynamics under ion source conditions. 15th International Conference on Ion Sources (ICIS 2013) , Chiba, September 09, 2013 - September 13, 2013. Review of Scientific Instruments 85, 02B109, (2014)

Friedl, R.; Fröhler-Bachus, C.; Fantz, U.: Determining absolute VUV fluxes for assessing the relevance of photon-surface interaction in ion sources. 20th International Conference on Ion Sources (ICIS 2023), Victoria, BC (submitted)

Heiler, A.; Friedl, R.; Fantz, U.: Ultra-low work function of caesiated surfaces and impact of specific hydrogen plasma species. 8th International Symposium on Negative Ions, Beams and Sources (NIBS 2022), Padova, Virtual (submitted)

Heiler, A.; Friedl, R.; Fantz, U.: Determination of the EEDF by a Langmuir probe AC technique in low pressure ICPs. DPG-Frühjahrstagung 2019 der Sektion Materie und Kosmos (SMuK), München (submitted)

Friedl, R.; Kurutz, U.; Fantz, U.: Efficiency of Cs-free materials for negative hydrogen ion production. 5th International Symposium on Negative Ions, Beams and Sources (NIBS 2016), Oxford (submitted)

Fantz, U.; Briefi, S.; Friedl, R.; Kammerloher, M.; Oswald, A.; Rauner, D.: Relaunch of the water plasmoid experiment for investigations of ball lightning phenomena. 30th International Conference on Phenomena of Ionized Gases (ICPIG 2011), Belfast (2011)

Fantz, U.; Briefi, S.; Friedl, R.: Modelling the radiation of diatomic molecules in low pressure discharges. 12th International Symposium on the Science and Technology of Light Sources (LS12) and International Conference on White LEDs and Solid State Lighting (White LED3), Eindhoven (2010)

Friedl, R.; Fantz, U.; Vogel, F.: Spectral intensity of the N₂ emission in rare gas low-pressure arc discharges. 12th International Symposium on the Science and Technology of Light Sources (LS12) and International Conference on White LEDs and Solid State Lighting (White LED3), Eindhoven (2010)