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HÖFER, Ulrich Prof. Dr.

Photo of Prof. Dr. Ulrich HÖFER
Principal InvestigatorPhilipps-Universität MarburgDepartment of PhysicsRenthof 5 35032 MarburgPhone: +49-6421 28-24215Link: Project B5 (Höfer/Mette)Link: Project B6 (Höfer/Wallauer)Link: Project B11 (Güdde/Höfer)Link: Biography

Expertise

Experimental physics, laser spectroscopy of surfaces and interfaces, ultrafast electron dynamics, adsorption on semiconductor surfaces

University Education

1996Habilitation (Dr. rer. nat. habil.) in Experimental Physics, TU München, “Nonlinear optical spectroscopy of silicon surfaces”
1989Doctoral degree in Physics (Dr. rer. nat.), TU München, Dissertation on “High resolution photoelectron spectroscopy at surfaces: lineshapes, loss processes and applications”, thesis advisor: Prof. E. Umbach
1985Diploma degree in Physics (Dipl. Phys.), TU München, supervisor: Prof. D. Menzel
1978-1985Studies in Physics, Technische Universität (TU) München

Professional Experience

since 1999Professor (C4/W3) for Experimental Physics, Philipps-Universität Marburg
1996-1999Lecturer/docent, Physik-Department, TU München
1992-1999Group Leader, Surface Dynamics, Laser Chemistry Department (Prof. K.-L. Kompa), Max-Planck-Institut für Quantenoptik (MPQ), Garching/München
1990-1991Visiting Scientist, IBM T. J. Watson Research Center, Yorktown Heights, New York (USA), Department of Physical Sciences, Laser Science (Dr. T. F. Heinz)
1987Research Assistant, Physik-Department E20 (Prof. D. Menzel), TU München
1985-1987Manager Data Processing, Central-Molkerei Augsburg e.G.

Honours, Awards and other Proofs of Qualification

2015Fellow of the Japanese Society for the Promotion of Science (Japan)
2014Selection Committee Member for the Max Planck Research Award
2014Guest Professor, Dept. of Physics, Columbia University, New York
since 2013Spokesman SFB 1083 “Structure and Dynamics of Internal Interfaces”
2011Ikerbasque Research Professor (Basque Country, Spain)
2009Offer for a chair in Experimental Physics at the University of Würzburg (declined)
2007-2009Dean of the Physics Department, Philipps-Universität Marburg
2006Guest Professor, I.S.I.R. (Sanken Institute), University of Osaka, Japan
2006Fellow of the American Physical Society (USA)
2003-2007Managing Director, Material Sciences Center, Philipps-Universität Marburg
1999Research Fellow, Institute for Chemical Research, RIKEN, Japan
1998Adjunct Professor Institute for Quantum Electronics, TU Vienna, Austria
1995Arnold-Sommerfeld-Prize of the Bavarian Academy of Sciences and Humanities

Selected Publications

  1. U. Höfer
    Nonlinear optical investigations of the dynamics of hydrogen interaction with silicon surfaces
    Appl. Phys. A 63, 533 (1996).
  2. U. Höfer, I. L. Shumay, Ch. Reuß, U. Thomann, W. Wallauer, Th. Fauster
    Time-resolved coherent photoelectron spectroscopy of quantized electronic states on metal surfaces
    Science 277, 1480 (1997).
  3. K. Stepán, J. Güdde, U. Höfer
    Time-resolved measurement of surface diffusion induced by femtosecond laser pulses
    Phys. Rev. Lett. 94, 236103 (2005).
  4. M. Dürr, U. Höfer
    Dissociative adsorption of molecular hydrogen on silicon surfaces
    Surf. Sci. Rep. 61, 465 (2006).
  5. J. Güdde, M. Rohleder, T. Meier, S. W. Koch, U. Höfer
    Time-resolved investigation of coherently controlled electric currents at a metal surface
    Science 318, 1287 (2007).
  6. H. Schwalb, S. Sachs, M. Marks, A. Schöll, F. Reinert, E. Umbach, U. Höfer
    Electron lifetime in a Shockley-type metal-organic interface state
    Phys. Rev. Lett. 101, 146801 (2008).
  7. N. Armbrust, J. Güdde, P. Jakob, U. Höfer
    Time-resolved two-photon photoemission of unoccupied electronic states of periodically rippled graphene on Ru(0001)
    Phys. Rev. Lett. 108, 056801 (2012).
  8. M. Heyl, J. Güdde, A. L’Hullier, U. Höfer
    High-order harmonic generation with µJ laser pulses at high repetition rates
    J. Phys. B-At. Mol. Opt. 45, 074020 (2012).
  9. U. Höfer and P. M. Echenique
    Resolubility of image-potential resonances
    Surf. Sci. 643, 203 (2016).
  10. Kuroda, J. Reimann, J. Güdde, U. Höfer
    Generation of transient photocurrents in the topological surface state of Sb2Te3 by direct optical excitation with mid-infrared pulses
    Phys. Rev. Lett. 116, 076801 (2016).

Patents

  1. S. G. Barbee, T. F. Heinz, U. Höfer, L. Li, V. J. Silvestri, Method and apparatus for real-time, in-situ endpoint detection and closed loop etch process control (US-Patent No. 5,392,124 (1995).