Aarhus University Seal / Aarhus Universitets segl

Søren Vrønning Hoffmann

  1. 1999
  2. Published

    Do PAH's soak up electrons in the interstellar medium? New experimental results. / Field, David; Lunt, S.L.; Hoffmann, Søren Vrønning; Ziesel, J.P:; Ossenkopf, V. (Editor).

    Proceedings of the 3rd Cologne-Zermatt Symposium: The Physics and Chemistry of the Interstellar Medium. 1999.

    Research output: Contribution to book/anthology/report/proceedingBook chapterResearch

  3. Published

    Do PAHs soak up electrons in the interstellar medium? New experimental results. / Field, D.; Lunt, S.L.; Hoffmann, Søren Vrønning; Ziesel, J.P.

    Proceedings of the 3rd Cologne-Zermatt Symposium (The Physics and Chemistry of the Interstellar Medium). ed. / V. Ossenkopf. 1999.

    Research output: Contribution to book/anthology/report/proceedingArticle in proceedingsResearchpeer-review

  4. Published

    Overfladestudier med fotoemissionsspektroskopi. / Hoffmann, Søren Vrønning; Petersen, J.H.; Onsgaard, J.

    In: Kvant, Vol. 3, No. 10, 1999, p. 38-42.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  5. Published

    Photoemission study of CO2 adsorbed on K/Cu(110). Analysis of adsorbate induced structures. / Godowski, P.J.; Onsgaard, J.; Hoffmann, Søren Vrønning; Nerlov, J.

    In: Acta Physica Polonica, Vol. A, No. 95, 1999, p. 423-431.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  6. Published

    Surface alloy formation by adsorption of Li on Al(100): Studied by high-resolution core-level spectroscopy and low energy electron diffraction. / Petersen, J.H.; Søndergård, C.; Hoffmann, S.V.; Mikkelsen, A.; Adams, D.L.

    In: Surf. Sci., No. 437, 1999, p. 317-329.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  7. Published

    Surface alloy formation by adsorption of Li on Al(100): studied by high-resolution core-level spectroscopy and low energy electron diffraction. / Petersen, J.H.; Søndergård, C.; Hoffmann, Søren Vrønning; Mikkelsen, A.; Adams, D.L.

    In: Surf. Sci., Vol. 437, 1999, p. 317.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  8. Published

    Very low energy electron scattering in C6H5 F, C6H5C1, C6 H5Br and C6 H5 I. / Lunt, S.L.; Field, David; Hoffmann, S.V.; R.J., Gulley; Ziesel, J.P.

    In: Journal of Physics B: Atomic, Molecular and Optical Physics, Vol. 32, No. 11, 1999, p. 2707-2717.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  9. 2000
  10. Published

    Surface reconstruction and relaxation of Al(110)-c(2x2)-Na. / Mikkelsen, M.; Hoffmann, Søren Vrønning; Jiruse, J.; Adams, D.L.

    In: Phys. Rev., Vol. B 61, 2000, p. 13988.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  11. 2001
  12. Published

    Adsorption of hydrogen on clean and potassium modified low index copper surfaces: Cu(100) and Cu(110). / Thomsen, L.; Onsgaard, J.; Godowski, P.J.; Møller, P.; Hoffmann, S.V.

    In: J. Vac. Sci. Technol. A., Vol. 19, 2001, p. 1988-1992.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  13. Published

    CO dissociation on K-modified Cu(112) and Cu(117). / Bech, L.; Onsgaard, J.; Hoffmann, S.V.; Godowski, P.J.

    In: Surf. Sci., Vol. 482-485, 2001, p. 243-249.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  14. Published

    Combined TPS, XPS, EXAFS and NO-TPD study of the sulfiding of Mo/Al 2O 3. / Nielsen, L.P.; Schønning, M.; Christensen, S.V.; Hoffmann, S.V.; Li, Z.; Hofmann, Philip; Besenbacher, Flemming; Clausen, B.S.

    In: Catal. Lett., Vol. 73, 2001, p. 85-90.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  15. Published

    Combined TPS, XPS, EXAFS, and NO-TPD study of the sulfiding of Mo/Al2O3. / Nielsen, L.P.; Schønning, M.; Christensen, S.V.; Hoffmann, Søren Vrønning; Li, Z.S.; Besenbacher, F.; Clausen, B.S.

    In: Catalysis Letters, Vol. 73, 2001, p. 85.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  16. Published

    Molecular oxygen on the Si(111)-7x7 surface. / Jensen, T.; Tækker, L.-B.; Gundlach, C.; Dam, F.K.; Morgen, P.; Hoffmann, S.V.; Li, Z.; Pedersen, K.

    In: Physical Review B, Vol. 64, No. 045304, 2001, p. 165406-1.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  17. Published

    Optical second harmonic generation and photoemission from quantum well states in thin Ag films on Si(111). / Pedersen, K.; Kristensen, T.B.; Pedersen, T.G.; Morgen, P.; Li, Z.; Hoffmann, S.V.

    In: Surf. Sci., Vol. 482-485, 2001, p. 735-739.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  18. Published

    Reactions on alkali-modified low-index stepped copper surfaces. / Onsgaard, J.; Bech, L.; Svensgaard, C.; Godowski, P.J.; Hoffmann, S.V.

    In: Progress in Surf. Sci., Vol. 67, 2001, p. 205-205.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  19. Published

    Structure and formation of surface alloys by adsorption of Li on Al(110). / Mikkelsen, M.; Petersen, J.H.; Hoffmann, Søren Vrønning; Jiruse, J.; Adams, D.L.

    In: Surf. Sci., Vol. 487, 2001, p. 28.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  20. Published

    Structure and formation of surface alloys by adsorption of Li on Al(110). / Mikkelsen, A.; Petersen, J.H.; Hoffmann, S.V.; Jiruse, J.; Adams, D.L.

    In: Surf. Sci., Vol. 487, 2001, p. 28-38.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  21. Published

    Systematic oscillation of peak positions in photoemission spectra during alternating caesium and oxygen exposures of silicon surfaces. / Taekker, L.-B.; Jensen, T.; Morgen, P.; Hoffmann, Søren Vrønning; Li, Zheshen.

    In: Appl. Surf. Sci., Vol. 177, 2001, p. 122-128.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  22. Published

    Temperature-dependent photoemission on Al(001). / Søndergaard, Christian Skou; Hofmann, Philip; Schultz, Ch.; Hoffmann, S.V.; Moreno, S.; Gayone, J.P.; Vicente Alvarez, M.A.; Zampieri, G.; Lizzit, S.; Baraldi, A.

    2001. Paper presented at Polen, .

    Research output: Contribution to conferencePaperResearch

  23. Published

    The coadsorption of hydrogen and carbon dioxide versus adsorption of formic acid on Cs-dosed Cu(110). / Godowski, P.J.; Onsgaard, J.; Hoffmann, S.V.; Quist-Sckerl, S.

    In: Zhenkong, Vol. 63, 2001, p. 257-265.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  24. Published

    The effect of reduced dimensionality on a semimetal: the electronic structure of the Bi(110) surface. / Agergaard, S.; Søndergaard, Christian Skou; Li, H.; Nielsen, Mikkel Bo; Hoffmann, S.V.; Li, Z.; Hofmann, Philip.

    In: New Journal of Physics, Vol. 3, 2001, p. 15.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  25. Published

    The electronic structure and the surface phase transition on α -Ga(010). / Søndergaard, Christian Skou; Li, S.; Agergaard, H.; Li, Z.; Hoffmann, S.V.; Hofmann, Philip; Grütter, Ch.; Bilgram, J.H.

    2001. Paper presented at The electronic structure and the surface phase transition on α -Ga(010), Poland.

    Research output: Contribution to conferencePaperResearch

  26. Published

    The surface electronic structure of Bi(110). / Agergaard, S.; Søndergaard, Christian Skou; Li, H.; Nielsen, M.B.; Li, Z.; Hoffmann, S.V.; Hofmann, Philip.

    2001. Paper presented at The surface electronic structure of Bi(110), Poland.

    Research output: Contribution to conferencePaperResearchpeer-review

  27. 2002
  28. Published

    An undulator based spherical grating monochromator beamline optimised for low energy electron-molecule scattering experiments. / Hoffmann, Søren Vrønning; Lunt, S. L.; Jones, Nykola C.; Field, David; Ziesel, J.-P.

    In: Review of Scientific Instruments, Vol. 73, 2002, p. 4157-4163.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  29. Published

    High resolution VUV photo-absorption cross-section for dimethylsulphide, (CH3)(2)S. / Vieira, P.L.; Eden, S.; Kendall, P.A.; N.J., Mason; Hoffmann, S.V.

    In: Chemical Physics Letters, Vol. 366, 2002, p. 343-349.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  30. Published

    High resolution core level spectroscopy at the Cu/Ru (0001) interface. / Andersen, T.H.; Bech, L.; Onsgaard, J.; Hoffmann, Søren Vrønning; Li, Zheshen.

    In: Surf. Rev. Lett., Vol. 9, 2002, p. 723-727.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  31. Published

    MOS Properties of Ultra Thin Oxides on Silicon. / Morgen, P.; Jensen, T.; Gundlach, C.; Tækker, L.-B.; Hoffmann, S.V.; Li, Zheshen; Pedersen, K.

    In: T101, 2002, p. 26-29.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  32. Published

    Optical properties of the Au(110) surface. / Stahrenberg, K.; Herrmann, T.; Esser, N.; Richter, W.; Hoffmann, S.V.; Hofmann, P.

    In: Physical Review B, Vol. 65, 2002, p. 35407.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  33. Published

    Optimum Cu buffer layer thickness for growth of metal overlayers on Si(111). / Pedersen, K.; Kristensen, T.B.; Pedersen, T.G.; Morgen, P.; Li, Zheshen; Hoffmann, S.V.

    In: Physical Review B, Vol. 66, No. 153406, 2002, p. 196802-1.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  34. Published

    Photoelectron spectroscopy studies of the Pd/Ru(0001) and (Cu+Pd)/Ru (0001) interfaces. / Andersen, T.H.; Li, Zheshen; Hoffmann, Søren Vrønning; Bech, L.; Onsgaard, J.

    In: J. Phys..: Condens. Matter, Vol. 14, 2002, p. 7853-7864.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  35. Published

    Photoemission and Optical Second-Harmonic Generation from Ag Quantum Wells on Si(111)7x7. / Pedersen, K.; Kristensen, T.B.; Pedersen, T.G.; Jensen, T.; Morgen, P.; Li, Zheshen; Hoffmann, S.V.

    In: Physica Scripta T101, 2002, p. 110-113.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  36. Published

    Reply to "Comment on `Molecular oxygen on the Si(111)-(7×7) surface' / Jensen, T.; Tækker, L.-B.; Gundlach, C.; Dam, F.K.; Morgen, P.; Hoffmann, Søren Vrønning; Li, Zheshen; Pedersen, K.

    In: Physical Review B, Vol. 66, No. 157302, 2002, p. 165406-1.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  37. Published

    The surface structures formed by Na adsorption on Al(110). / Mikkelsen, A.; Petersen, J.H.; Jiruse, J.; Hoffmann, S.V.; Adams, D.L.

    In: Surf. Sci., Vol. 497, 2002, p. 214.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  38. Published

    Theoretical and experimental studies of photoemission from Al quantum wells on Si(111). / Pedersen, T.G.; Pedersen, K.; Kristensen, P.K.; Rafaelsen, J.; Skivesen, N.; Li, Zheshen; Hoffmann, S.V.

    In: Surf. Sci., Vol. 516, 2002, p. 127-133.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  39. Published

    Thin noble metal films on Si(111) investigated by optical second-harmonic generation and photoemission. / Pedersen, K.; Kristensen, T.B.; Pedersen, T.G.; Morgen, P.; Li, Zheshen; Hoffmann, S.V.

    In: Appl. Phys. B, Vol. 74, 2002, p. 677-682.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  40. Published

    Unexpected surface sensitivity at high energies in angle-resolved photoemission. / Hofmann, Philip; Søndergaard, Christian Skou; Agergaard, S.; Hoffmann, S.V.; Gayone, J.E.; Zampieri, G.; Lizzit, S.; Baraldi, A.

    In: Physical Review B, Vol. 66, 2002, p. 165406-1.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  41. Published

    VUV photo-absorption cross-section for CCl2F2. / Vieira, P.L.; Eden, S.; Kendall, P.A.; Mason, N.J.; Hoffmann, S.V.

    In: Chemical Physics Letters, Vol. 364, 2002, p. 535-541.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  42. 2003
  43. Published

    2-methyl furan: An experimental study of the excited electronic levels by electron energy loss spectroscopy, vacuum ultraviolet photoabsorption, and photoelectron spectroscopy. / Giuliani, A.; Delwiche, J.; Hoffmann, S.V.; Limao-Vieira, P.; Mason, N.J.; Hubin-Franskin, M.-J.

    In: Journal of Chemical Physics, Vol. 119, No. 7, 2003.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearch

  44. Published

    Adsorption of CO2and Coadsorption of H and CO2 on Potassium-Promoted Cu(115). / Onsgaard, J.; Hoffmann, S.V.; Møller, P.; Godowski, P.J.; Wagner, J.B.; Paolucci, G.; Baraldi, A.; Comelli, G.; Groso, A.

    In: ChemPhysChem, Vol. 4, 2003, p. 466-473.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  45. Published

    Characterisation of Au films on Si(111) √3x√3)R30-Au by photoemission and optical second-harmonic generation. / Pedersen, K.; Kristensen, T.B.; Pedersen, T.G.; Jensen, T.; Morgen, P.; Li, Z.; Hoffmann, S.V.

    In: Surf. Sci., Vol. 523, 2003, p. 21-29.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  46. Published

    Electronic Structure and Electron-Phonon Interaction on Bi(100). / Hofmann, P.; Gayone, J.E.; Hoffmann, S.V.; Li, Z.

    2003. Paper presented at Fruehjahrstagung der Deutschen Physikalischen Gesellschaft, Dresden, Germany.

    Research output: Contribution to conferencePaperResearchpeer-review

  47. Published

    Electronic Structure of α-Ga. / Søndergaard, Christian Skou; Schultz, Ch.; Agergaard, S.; Li, H.; Li, Z.; Hoffmann, S.V.; Grütter, Ch.; Bilgram, J.H.; Hofmann, Philip.

    In: Physical Review B, Vol. 67, 2003.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  48. Published

    Electronic state spectroscopy of acetaldehyde, CH3CHO, by high-resolution VUV photo-absorption. / Limao-Vieira, P.; Eden, S.; Mason, N.J.; Hoffmann, S.V.

    In: Chemical Physics Letters, Vol. 376, 2003, p. 737-747.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  49. Published

    Epitaxial growth of thin Ag and Au films on Si(111) using thin copper silicide buffer layers. / Pedersen, Kjeld; Morgen, Per; Pedersen, TG; Li, Zheshen; Hoffmann, Søren Vrønning.

    In: Journal of Vacuum Science & Technology. A: International Journal Devoted to Vacuum, Surfaces, and Films, Vol. 21, No. 4, 2003, p. 1431-1435.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  50. Published

    Giant Resonances in Cold Electron Scattering by CS2. / Jones, N. C.; Field, David; Hoffmann, Søren Vrønning; Ziesel, J. P.; Field, T. A.

    2003. Poster session presented at 23rd International Conference on Photonic, Electronics and Atomic Collisions, Stockholm, Sweden.

    Research output: Contribution to conferencePosterResearch

  51. Published

    High resolution photo-absorption studies of acrylonitrile, C2H3CN, and acetonitrile, CH3CN. / Eden, S.; Limao-Vieira, P.; Kendall, P.; Mason, N.J.; Hoffmann, S.V.; Spyrou, S.M.

    In: The European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics, Vol. 26, 2003, p. 201.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  52. Published

    Interplay between electronic structure and phase transition on α-Ga(010). / Søndergaard, Christian Skou; Schultz, Ch.; Agergaard, S.; Hoffmann, S.V.; Li, Z.; Hofmann, Philip; Li, H.; Grütter, Ch.; Bilgram, J.H.

    In: Physical Review B, Vol. 67, No. 16, 2003, p. 165422-1.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  53. Published

    Low-energy electron-molecule scattering from CCl4, SF6 and C6F6. / Field, David; Jones, N. C.; Madsen, Lars Bojer; Hoffmann, Søren Vrønning; Ziesel, J. P.

    2003. Poster session presented at 23rd International Conference on Photonic, Electronic and Atomic Collisions, Stockholm, Sweden.

    Research output: Contribution to conferencePosterResearch

  54. Published

    Optical second-harmonic generation and photoemission from Al quantum wells on Si(111) 7 X 7. / Pedersen, K.; Kristensen, P.K.; Rafaelsen, J.; Skivesen, N.; Pedersen, T.G.; Morgen, P.; Li, Z.; Hoffmann, S.V.

    In: Thin Solid Films, Vol. 443, 2003, p. 78.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

  55. Published

    Orientation effects in self-organized, highly conducting regioregular poly(3-hexylthiophene) determined by vacuum ultraviolet spectroscopy. / Krebs, F.C.; Hoffmann, S.V.; Jørgensen, M.

    In: Synthetic Metals, No. 138, 2003, p. 471-474.

    Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

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