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U. Fantz
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Journal Articles

Generation of ultra-low work function surfaces by caesium and water coadsorption in view of negative hydrogen ion sources

Open Access
A. Heiler, N. Klose, R. Friedl, U. Fantz, D. Vlachos
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 43, 033203 (2025)
https://doi.org/10.1116/6.0004354
Published: March 2025
View articletitled, Generation of ultra-low work function surfaces by caesium and water coadsorption in view of negative hydrogen ion sources
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Journal Articles

Particle injection methods in 3D-PIC MCC simulations applied to plasma grid biasing

Editor’s PickOpen Access
M. Lindqvist, D. Wünderlich, S. Mochalskyy, Niek den Harder, A. Revel, T. Minea, U. Fantz
Journal: Physics of Plasmas
Phys. Plasmas 31, 033903 (2024)
https://doi.org/10.1063/5.0187850
Published: March 2024
View articletitled, Particle injection methods in 3D-PIC MCC simulations applied to plasma grid biasing
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Journal Articles

Impact of the photoelectric threshold sensitivity on the work function determination—Revealing ultra-low work functions of caesiated surfaces

FeaturedOpen Access
A. Heiler, R. Friedl, U. Fantz
Journal: AIP Advances
AIP Advances 12, 035339 (2022)
https://doi.org/10.1063/5.0078380
Published: March 2022
View articletitled, Impact of the photoelectric threshold sensitivity on the work function determination—Revealing ultra-low work functions of caesiated surfaces
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Journal Articles

Diagnostics of RF coupling in H− ion sources as a tool for optimizing source design and operational parameters

Open Access
S. Briefi, D. Zielke, D. Rauner, U. Fantz
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 93, 023501 (2022)
https://doi.org/10.1063/5.0077934
Published: February 2022
View articletitled, Diagnostics of RF coupling in H− ion sources as a tool for optimizing source design and operational parameters
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Journal Articles

Emission spectroscopy of negative hydrogen ion sources: From VUV to IR

Open Access
D. Wünderlich, S. Briefi, R. Friedl, U. Fantz
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 92, 123510 (2021)
https://doi.org/10.1063/5.0075491
Published: December 2021
View articletitled, Emission spectroscopy of negative hydrogen ion sources: From VUV to IR
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Journal Articles

Effects of the magnetic field topology on the co-extracted electron current in a negative ion source for fusion

Open Access
D. Wünderlich, I. M. Montellano, M. Lindqvist, A. Mimo, S. Mochalskyy, U. Fantz
Journal: Journal of Applied Physics
J. Appl. Phys. 130, 053303 (2021)
https://doi.org/10.1063/5.0054949
Published: August 2021
View articletitled, Effects of the magnetic field topology on the co-extracted electron current in a negative ion source for fusion
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Journal Articles

NIBS 2020 reference sheets

Free
T. Sarmento, D. Wünderlich, U. Fantz, R. Friedl, D. Rauner, K. Tsumori, L. Shenjin, W. Chen, D. Bollinger, O. Hidetomo, K. Shinto, I. Draganic, R. F. Welton
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2373, 110001 (2021)
https://doi.org/10.1063/5.0057732
Published: July 2021
View articletitled, NIBS 2020 reference sheets
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Journal Articles

Transferring knowledge gained for pulsed extraction at the ELISE test facility to ITER-relevant CW extraction

Open Access
D. Wünderlich, R. Riedl, F. Bonomo, S. Cristofaro, A. Hurlbatt, I. Mario, A. Mimo, R. Nocentini, W. Kraus, M. Peglau, B. Schmidt, B. Heinemann, U. Fantz
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2373, 030003 (2021)
https://doi.org/10.1063/5.0057534
Published: July 2021
View articletitled, Transferring knowledge gained for pulsed extraction at the ELISE test facility to ITER-relevant CW extraction
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Journal Articles

Work function behavior of a biased C12A7 electride in low temperature hydrogen plasmas

Open Access
A. Heiler, R. Friedl, U. Fantz, R. Nocentini, M. Sasao
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2373, 020004 (2021)
https://doi.org/10.1063/5.0057482
Published: July 2021
View articletitled, Work function behavior of a biased C12A7 electride in low temperature hydrogen plasmas
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Journal Articles

First direct comparison of whole beam and single beamlet divergences in a negative ion source with simultaneous BES and CFC tile calorimetry measurements

Editor’s PickOpen Access
A. Hurlbatt, F. Bonomo, A. Pimazzoni, P. Veltri, M. Agostini, M. Barbisan, M. Brombin, R. Delogu, U. Fantz, B. Heinemann, N. den Harder, G. Orozco, C. Poggi, L. Schiesko, G. Serianni, M. Ugoletti, C. Wimmer
Journal: AIP Advances
AIP Advances 11, 025330 (2021)
https://doi.org/10.1063/5.0039080
Published: February 2021
View articletitled, First direct comparison of whole beam and single beamlet divergences in a negative ion source with simultaneous BES and CFC tile calorimetry measurements
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Journal Articles

Work function performance of a C12A7 electride surface exposed to low pressure low temperature hydrogen plasmas

Available to Purchase
A. Heiler, K. Waetzig, M. Tajmar, R. Friedl, R. Nocentini, U. Fantz
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 39, 013002 (2021)
https://doi.org/10.1116/6.0000749
Published: December 2020
View articletitled, Work function performance of a C12A7 electride surface exposed to low pressure low temperature hydrogen plasmas
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Journal Articles

Application of a Langmuir probe AC technique for reliable access to the low energy range of electron energy distribution functions in low pressure plasmas

ScilightOpen Access
A. Heiler, R. Friedl, U. Fantz
Journal: Journal of Applied Physics
J. Appl. Phys. 127, 113302 (2020)
https://doi.org/10.1063/1.5139601
Published: March 2020
View articletitled, Application of a Langmuir probe AC technique for reliable access to the low energy range of electron energy distribution functions in low pressure plasmas
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Journal Articles

First operation in SPIDER and the path to complete MITICA

Available to Purchase
G. Serianni, V. Toigo, M. Bigi, M. Boldrin, G. Chitarin, S. Dal Bello, L. Grando, A. Luchetta, D. Marcuzzi, R. Pasqualotto, N. Pomaro, P. Zaccaria, L. Zanotto, P. Agostinetti, M. Agostini, V. Antoni, D. Aprile, M. Barbisan, M. Battistella, M. Brombin, A. Canton, R. Cavazzana, M. Dalla Palma, M. Dan, R. Delogu, A. De Lorenzi, M. De Muri, S. Denizeau, M. Fadone, F. Fellin, A. Ferro, E. Gaio, G. Gambetta, F. Gasparini, F. Gnesotto, P. Jain, A. Maistrello, G. Manduchi, S. Manfrin, G. Marchiori, N. Marconato, M. Moresco, T. Patton, M. Pavei, S. Peruzzo, N. Pilan, A. Pimazzoni, R. Piovan, C. Poggi, M. Recchia, A. Rigoni, A. Rizzolo, G. Rostagni, E. Sartori, M. Siragusa, P. Sonato, E. Spada, S. Spagnolo, M. Spolaore, C. Taliercio, P. Tinti, M. Ugoletti, M. Valente, A. Zamengo, B. Zaniol, M. Zaupa, M. Cavenago, D. Boilson, C. Rotti, P. Veltri, J. Chareyre, H. Decamps, M. Dremel, J. Graceffa, F. Geli, B. Schunke, L. Svensson, M. Urbani, T. Bonicelli, G. Agarici, A. Garbuglia, A. Masiello, F. Paolucci, M. Simon, L. Bailly-Maitre, E. Bragulat, G. Gomez, D. Gutierrez, C. Labate, G. Mico, J. F. Moreno, V. Pilard, G. Kouzmenko, A. Rousseau, A. Chakraborty, U. Baruah, H. Patel, N. P. Singh, A. Patel, H. Dhola, B. Raval, S. Cristofaro, U. Fantz, B. Heinemann, W. Kraus, M. Kashiwagi, H. Tobari
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 023510 (2020)
https://doi.org/10.1063/1.5133076
Published: February 2020
View articletitled, First operation in SPIDER and the path to complete MITICA
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Journal Articles

Cavity ring-down spectroscopy system for the evaluation of negative hydrogen ion density at the ELISE test facility

Available to Purchase
A. Mimo, H. Nakano, C. Wimmer, D. Wünderlich, U. Fantz, K. Tsumori
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 013510 (2020)
https://doi.org/10.1063/1.5129341
Published: January 2020
View articletitled, Cavity ring-down spectroscopy system for the evaluation of negative hydrogen ion density at the ELISE test facility
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Journal Articles

Beamlet scraping and its influence on the beam divergence at the BATMAN Upgrade test facility

Available to Purchase
C. Wimmer, F. Bonomo, A. Hurlbatt, L. Schiesko, U. Fantz, N. den Harder, B. Heinemann, A. Mimo, G. Orozco, M. Agostini, M. Barbisan, M. Brombin, R. Delogu, A. Pimazzoni, C. Poggi, G. Serianni, M. Ugoletti, P. Veltri
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 91, 013509 (2020)
https://doi.org/10.1063/1.5129336
Published: January 2020
View articletitled, Beamlet scraping and its influence on the beam divergence at the BATMAN Upgrade test facility
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Journal Articles

Formation of large negative deuterium ion beams at ELISE

Available to Purchase
D. Wünderlich, R. Riedl, I. Mario, A. Mimo, U. Fantz, B. Heinemann, W. Kraus
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 90, 113304 (2019)
https://doi.org/10.1063/1.5127832
Published: November 2019
View articletitled, Formation of large negative deuterium ion beams at ELISE
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Journal Articles

Studies of Cs dynamics in large ion sources using the CsFlow3D code

Free
A. Mimo, C. Wimmer, D. Wünderlich, U. Fantz
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2052, 040009 (2018)
https://doi.org/10.1063/1.5083743
Published: December 2018
View articletitled, Studies of Cs dynamics in large ion sources using the CsFlow3D code
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Journal Articles

First beam extraction experiments at BATMAN upgrade

Free
W. Kraus, L. Schiesko, F. Bonomo, U. Fantz, B. Heinemann, A. Hurlbatt, the NNBI Team
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2052, 040004 (2018)
https://doi.org/10.1063/1.5083738
Published: December 2018
View articletitled, First beam extraction experiments at BATMAN upgrade
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Journal Articles

Long pulse operation at ELISE: Approaching the ITER parameters

Free
D. Wünderlich, R. Riedl, F. Bonomo, I. Mario, U. Fantz, B. Heinemann, W. Kraus, the NNBI team
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2052, 040001 (2018)
https://doi.org/10.1063/1.5083735
Published: December 2018
View articletitled, Long pulse operation at ELISE: Approaching the ITER parameters
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Journal Articles

Start of SPIDER operation towards ITER neutral beams

Free
G. Chitarin, G. Serianni, V. Toigo, M. Bigi, M. Boldrin, S. Dal Bello, L. Grando, A. Luchetta, D. Marcuzzi, R. Pasqualotto, N. Pomaro, P. Zaccaria, L. Zanotto, P. Agostinetti, M. Agostini, V. Antoni, D. Aprile, M. Barbisan, M. Battistella, M. Brombin, R. Cavazzana, M. Dalla Palma, M. Dan, A. De Lorenzi, R. Delogu, M. De Muri, S. Denizeau, M. Fadone, F. Fellin, L. Ferbel, A. Ferro, E. Gaio, G. Gambetta, F. Gasparini, F. Gnesotto, P. Jain, A. Maistrello, G. Manduchi, S. Manfrin, G. Marchiori, N. Marconato, M. Moresco, T. Patton, M. Pavei, S. Peruzzo, N. Pilan, A. Pimazzoni, R. Piovan, C. Poggi, M. Recchia, A. Rizzolo, G. Rostagni, E. Sartori, M. Siragusa, P. Sonato, S. Spagnolo, M. Spolaore, C. Taliercio, P. Tinti, M. Ugoletti, M. Valente, A. Zamengo, B. Zaniol, M. Zaupa, C. Baltador, M. Cavenago, D. Boilson, C. Rotti, P. Veltri, T. Bonicelli, A. Chakraborty, H. Patel, N. P. Singh, U. Fantz, B. Heinemann, W. Kraus
Journal: AIP Conference Proceedings
AIP Conf. Proc. 2052, 030001 (2018)
https://doi.org/10.1063/1.5083729
Published: December 2018
View articletitled, Start of SPIDER operation towards ITER neutral beams
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