Publications of C. Hopf

Journal Article (91)

41.
Journal Article
Schiesko, L.; Cartry, G.; Hopf, C.; Höschen, T.; Meisl, G.; Encke, O.; Franzen, P.; Heinemann, B.; Achkasov, K.; Hopf, C. et al.: Cs-Doped Mo as Surface Converter for H-/D- Generation in Negative Ion Sources: First Steps and Proof of Principle. AIP Conference Proceedings 1655, 020003 (2015)
42.
Journal Article
Schiesko, L.; Cartry, G.; Hopf, C.; Höschen, T.; Meisl, G.; Encke, O.; Heinemann, B.; Achkasov, K.; Amsalem, P.; Fantz, U.: First experiments with Cs doped Mo as surface converter for negative hydrogen ion sources. Journal of Applied Physics 118, 073303 (2015)
43.
Journal Article
Hopf, C.; Angot, T.; Areou, E.; Dürbeck, T.; Jacob, W.; Martin, C.; Pardanaud, C.; Roubin, P.; Schwarz-Selinger, T.: Characterization of temperature-induced changes in amorphous hydrogenated carbon thin films. Diamond and Related Materials 37, pp. 97 - 103 (2013)
44.
Journal Article
Pardanaud, C.; Martin, C.; Giacometti, G.; Roubin, P.; Pégourié, B.; Hopf, C.; Schwarz-Selinger, T.; Jacob, W.; Buijnsters, J. G.: Long-term H-release of hard and intermediate between hard and soft amorphous carbon evidenced by in situ Raman microscopy under isothermal heating. Diamond and Related Materials 37, pp. 92 - 96 (2013)
45.
Journal Article
Pardanaud, C.; Martin, C.; Roubin, P.; Giacometti, G.; Hopf, C.; Schwarz-Selinger, T.; Jacob, W.: Raman spectroscopy investigation of the H content of heated hard amorphous carbon layers. Diamond and Related Materials 34, pp. 100 - 104 (2013)
46.
Journal Article
Stroth, U.; Adamek, J.; Aho-Mantila, L.; Äkäslompolo, S.; Amdor, C.; Angioni, C.; Balden, M.; Bardin, S.; Barrera Orte, L.; Behler, K. et al.: Overview of ASDEX Upgrade Results. Nuclear Fusion 53, 104003 (9pp) (2013)
47.
Journal Article
Cartry, G.; Schiesko, L.; Hopf, C.; Ahmad, A.; Carrere, M.; Layet, J. M.; Kumar, P.; Engeln, R.: Production of negative ions on graphite surface in H₂/D₂ plasmas: experiments and SRIM calculations. Physics of Plasmas 19, 063503 (10pp) (2012)
48.
Journal Article
Dobes, K.; Naderer, P.; Hopf, C.; Schwarz-Selinger, T.; Aumayr, F.: Transient effects during sputtering of a-C:H surfaces by nitrogen ions. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 286, pp. 20 - 24 (2012)
49.
Journal Article
Pardanaud, C.; Aréou, E.; Martin, C.; Ruffe, R.; Angot, T.; Roubin, P.; Hopf, C.; Schwarz-Selinger, T.; Jacob, W.: Raman micro-spectroscopy as a tool to measure the absorption coefficient and the erosion rate of hydrogenated amorphous carbon films heat-treated under hydrogen bombardment. Diamond and Related Materials 22, pp. 92 - 95 (2012)
50.
Journal Article
Kallenbach, A.; Adamek, J.; Aho-Mantila, L.; Äkäslompolo, S.; Angioni, C.; Atanasiu, C. V.; Balden, M.; Behler, K.; Belonohy, E.; Bergmann, A. et al.: Overview of ASDEX Upgrade results. Nuclear Fusion 51, 094012 (11pp) (2011)
51.
Journal Article
Pardanaud, C.; Giacometti, G.; Martin, C.; Ruffe, R.; Angot, T.; Areou, E.; Pegourie, B.; Tsitrone, E.; Dittmar, T.; Hopf, C. et al.: Raman study of CFC tiles extracted from the toroidal pump limiter of Tore Supra. Journal of Nuclear Materials 415 (1), pp. S254 - S257 (2011)
52.
Journal Article
Schiesko, L.; Hopf, C.; Franzen, P.; Kraus, W.; Riedl, R.; Fantz, U.; NNBI Team: A study on backstreaming positive ions on a high power negative ion source for fusion. Nuclear Fusion 51, 113021 (7pp) (2011)
53.
Journal Article
Mayer, M.; Rohde, V.; Sugiyama, K.; Chen, J. L.; Gong, X.; Hopf, C.; Likonen, J.; Lindig, S.; Neu, R.; Ramos, G. et al.: Carbon balance and deuterium inventory from a carbon dominated to a full tungsten ASDEX Upgrade. Journal of Nuclear Materials 390-391, pp. 538 - 543 (2009)
54.
Journal Article
Ruset, C.; Grigore, E.; Munteanu, I.; Maier, H.; Greuner, H.; Hopf, C.; Philipps, V.; Matthews, G.; JET-EFDA Contributors: Industrial Scale 10 µm W Coating of CFC tiles for ITER-like Wall Project at JET. Fusion Engineering and Design 84 (7-11), pp. 1662 - 1665 (2009)
55.
Journal Article
Schwarz-Selinger, T.; Genoese, F.; Hopf, C.; Jacob, W.: Carbon removal from tile-gap structures with oxygen glow discharges. Journal of Nuclear Materials 390-391, pp. 602 - 605 (2009)
56.
Journal Article
Schwarz-Selinger, T.; von Toussaint, U.; Hopf, C.; Jacob, W.: Fuel removal from tile gaps with oxygen discharges: reactivity of neutrals. Physica Scripta T138, 14009 (8pp) (2009)
57.
Journal Article
von Toussaint, U.; Maya, P. N.; Hopf, C.: Molecular dynamics modeling of chemical erosion of hydrocarbon films. Journal of Nuclear Materials 386-388, pp. 353 - 355 (2009)
58.
Journal Article
von Toussaint, U.; Maya, P. N.; Hopf, C.; Schlüter, M.: Molecular Dynamics simulations of synergistic erosion of amorphous hydrocarbon films. Physica Scripta T138, 014018 (4pp) (2009)
59.
Journal Article
Zohm, H.; Adamek, J.; Angioni, C.; Antar, G.; Atanasiu, C. V.; Balden, M.; Becker, W.; Behler, K.; Behringer, K.; Bergmann, A. et al.: Overview of ASDEX Upgrade results. Nuclear Fusion 49, 104009 (9pp) (2009)
60.
Journal Article
Hopf, C.; Jacob, W.; Rohde, V.: Oxygen glow discharge cleaning in nuclear fusion devices. Journal of Nuclear Materials 374 (3), pp. 413 - 421 (2008)