Publication List of U. Höfer

2021

  • J. E. Zimmermann, M. Axt, F. Mooshammer, P. Nagler, C. Schüller, T. Korn, U. Höfer, and G. Mette
    Ultrafast charge-transfer dynamics in twisted Mo2/WSe2 heterostructures
    ACS Nano (2021). DOI: 10.1021/acsnano.1c04549
  • R. Wallauer, R. Perea-Causin, L. Münster, S. Zajusch, S. Brehm, J. Güdde, K. Tanimura, K.-Q. Lin, R. Huber, E. Malic, U. Höfer
    Momentum-resolved observation of exciton formation dynamics in monolayer WS2
    Nano Lett. 21,  5867 (2021). DOI: 10.1021/acs.nanolett.1c01839
  • C. P. Schmid, L. Weigl, P. Grössing, V. Junk, C. Gorini, S. Schlauderer, S. Ito, M. Meierhofer, N. Hofmann, D. Afanasiev, J. Crewse, K. A. Kokh, O. E. Tereshchenko, J. Güdde, F. Evers, J. Wilhelm, K. Richter, U. Höfer, and R. Huber
    Tuneable non-integer high-harmonic generation in a topological insulator
    Nature 593, 385 (2021). DOI: 10.1038/s41586-021-03466-7.
  • A. Adamkiewicz, T. Bohamud, M. Reutzel, U. Höfer, M. Dürr
    Tip-induced ß-Hydrogen dissociation in an Alkyl group bound on Si(001)
    J. Phys.: Condens. Matter 33, 344004 (2021). DOI: 10.1088/1361-648X/ac0a1c
  • T. Bohamud, U. Höfer, M. Dürr
    Adsorption dynamics of bifunctional molecules: Allyl methyl ether on Si(001)
    J. Chem. Phys. 154, 124708 (2021). DOI: 10.1063/5.0045955
  • K. Sumida, Y. Ishida, J. Güdde, U. Höfer, S. Shin, and A. Kimura
    Ultrafast surface Dirac fermion dynamics of Sb2Te3-based topological insulators
    Prog. Surf. Sci. 96, 100628 (2021). DOI: 10.1016/j.progsurf.2021.100628
  • R. Wallauer, M. Raths, K. Stallberg, L. Münster, D. Brandstetter, X. Yang, J. Güdde, P. Puschnig, S. Soubatch, C. Kumpf, F.C. Bocquet, F.S. Tautz, U. Höfer
    Tracing orbital images on ultrafast time scales
    Science 371, 1056 (2021). DOI:  10.1126/science.abf3286

2020

  • J. Güdde and U. Höfer
    Ultrafast dynamics of photocurrents in surface states of topological insulators
    Phys. Status Solidi B, 2000521 (2020). – Feature Article DOI: 10.1002/pssb.202000521
  • J. E. Zimmermann, Y. D. Kim, J. C. Hone, U. Höfer, and G. Mette
    Directional ultrafast charge transfer in a WSe2/MOSe2 heterostructure selectively probed by time-resolved SHG imaging microscopy
    Nanoscale Horiz. 5, 1603 (2020). DOI: 10.1039/d0nh00396d
  • J. E. Zimmermann, B. Li, J. C. Hone, U. Höfer, and G. Mette
    Second-harmonic imaging microscopy for time-resolved investigations of transition metal dichalcogenides
    J. Phys.: Condens. Matter 32, 485901 (2020). DOI: 10.1088/1361-648X/aba946
  • R. Wallauer, P. Marauhn, J. Reimann, S. Zoerb, F. Kraus, J. Güdde, M. Rohlfing, and U. Höfer
    Momentum-resolved observation of ultrafast interlayer charge transfer between the topmost layers of MoS2
    Phys. Rev. B 102, 125417 (2020). – Editor’s Suggestion DOI: 10.1103/PhysRevB.102.125417
  • M. Marks, N. Armbrust, J. Güdde, and U. Höfer
    Impact of Interface-State Formation on the Charge-Carrier Dynamics at Organic-Metal Interfaces
    New J. Phys. 22, 093042 (2020). DOI: 10.1088/1367-2630/abb0c3
  • K. Stallberg, M. Shibuta, and U. Höfer
    Temperature effects on the formation and the relaxation dynamics of metal-organic interface states
    Phys. Rev. B 102, 121401(R) (2020). DOI: 10.1103/PhysRevB.102.121401
  • G. Mette, J. E. Zimmermann, A. Lerch, K. Brixius, J. Güdde, A. Beyer, M. Dürr, K. Volz, W. Stolz, and U. Höfer
    Femtosecond time-resolved nonlinear optical spectroscopy of charge transfer at the buried GaP/Si(001) interface
    Appl. Phys. Lett. 117, 081602 (2020). DOI: 10.1063/5.0021092
  • T. Bohamud, M. Reutzel, A. Adamkiewicz, U. Höfer, and M. Dürr
    Electric field induced depolarization of Si-C bond leads to strongly reduced barrier for Alkyl-hopping on Si(001)

    J. Phys. Chem. C 124, 5270 (2020). DOI: 10.1021/acs.jpcc.0c00656

2019

  • J. M. Gottfried and U. Höfer
    Preface: fresh perspectives on internal interfaces

    J. Phys.-Condens. Mat. 31, 500301 (2019). DOI: 10.1088/1361-648X/ab3ff0
  • K. Sumida, M. Kakoki, J. Reimann, M. Nurmamat, S. Goto, Y. Takeda, Y. Saitoh, K. A. Kokh, O. E. Tereshchenko, J. Güdde, U. Höfer, and A. Kimura
    Magnetic-impurity-induced modifications to ultrafast carrier dynamics in the ferromagnetic topological insulators Sb2-xVxTe
    3
    New J. Phys. 21, 093006 (2019). DOI: 10.1088/1367-2630/ab3ac6
  • T. Bohamud, M. Reutzel, M. Dürr, and U. Höfer
    Dynamics of proton transfer reactions on Si(001)
    J. Chem. Phys. 150, 224703 (2019). DOI: 10.1063/1.5092804
  • K. Stallberg, A. Namgalies, and U. Höfer
    Photoluminescence Study of the Exciton Dynamics at PTCDA/Noble-Metal Interfaces
    Phys. Rev. B 99, 125410 (2019). DOI: 10.1103/PhysRevB.99.125410
  • C. P. Schmid, D. Peller, F. Langer, S. Schlauderer, C. Lange, T. Cocker, J. Repp, J. Reimann, J. Güdde, U. Höfer, S. W. Koch, M. Kira, and R. Huber
    Terahertz lightwave electronics and valleytronics
    Proc. of SPIE – Vol. 10916, 1091606 (2019). DOI: 10.1117/12.2507634
  • G. Mette, A. Adamkiewicz, M. Reutzel, U. Koert, H. Dürr, and U. Höfer
    Controlling an SN2 reaction by electronic and vibrational excitation ‐ tip‐induced ether cleavage on Si(001)
    Angew. Chemie Int. Ed. 58, 3417 (2019). DOI: 10.1002/anie.201806777
    See also:
    press release (in German)
  • K. Ishioka, A. Beyer, W. Stolz, K. Volz, H. Petek, U. Höfer, and C. Stanton
    Coherent optical and acoustic phonons generated at lattice-matched GaP/Si(001) heterointerfaces
    J. Phys.-Condens. Mat. 31, 094003 (2019). DOI: 10.1088/1361-648X/aaf84d
  • C. Länger, J. Heep, P. Nikodemiak, T. Bohamud, P. Kirsten, U. Höfer, U. Koert, and M. Dürr
    Formation of Si/organic interfaces using alkyne-functionalized cyclooctynes – precursor-mediated adsorption of linear alkynes versus direct adsorption of cyclooctyne on Si(001)

    J. Phys.-Condens. Mat. 31, 034001 (2019). DOI: 10.1088/1361-648X/aaefc3

2018

  • A. Lerch, J. E. Zimmermann, A. Namgalies, K. Stallberg, and U. Höfer
    2PPE spectroscopy of unoccupied electronic states at CuPc/PTCDA/Ag(111) interfaces
    J. Phys.-Condens. Mat., Special issue on internal interfaces 30, 494001 (2018). DOI: 10.1088/1361-648X/aaec53
  • J. Reimann, S. Schlauderer, C. P. Schmid, F. Langer, S. Baierl, K. A. Kokh, O. E. Tereshchenko, A. Kimura, C. Lange, J. Güdde, U. Höfer, and R. Huber
    Subcycle observation of lightwave-driven Dirac currents in a topological surface band
    Nature 562, 396 (2018). DOI: 10.1038/s41586-018-0544-x.
    See also: press release (in German)
    Blog Post
    „Topology at Cyberspeed“ by Ulrich Höfer
  • K. Brixius, A. Beyer, G. Mette, J. Güdde, M. Dürr, W. Stolz, K. Volz, and U. Höfer
    Second-harmonic generation as probe for structural and electronic properties of buried GaP/Si(001) interfaces
    J. Phys-Condens. Mat., Special Issue on internal interfaces 30, 484001 (2018). DOI: 10.1088/1361-648X/aae85b
  • C. Länger, T. Bohamud, J. Heep, T. Glaser, M. Reutzel, U. Höfer, and M. Dürr
    Adsorption of methanol on Si(001): Reaction channels and energetics
    J. Phys. Chem. C 122, 14756 (2018). DOI: 10.1021/acs.jpcc.8b04583

2017

  • A. Lerch, L. Fernandez, M. Ilyn, M. Gastaldo, M. Paradinas, M. A. Valbuena, A. Mugarza, A. B. M. Ibrahim, J. Sundermeyer, U. Höfer, and F. Schiller
    Electronic Structure of Titanylphthalocyanine Layers on Ag(111)
    J. Phys. Chem. C 121, 25353 (2017). DOI: 10.1021/acs.jpcc.7b09147
  • K. Ishioka, A. Rustagi, A. Beyer, W. Stolz, K. Volz, U. Höfer, H. Petek, and C. J. Stanton
    Sub-picosecond acoustic pulses at buried GaP/Si interfaces

    Appl. Phys. Lett. 111, 062105 (2017). DOI: 10.1063/1.4997913
  • K. Kuroda, J. Reimann, J. Güdde, and U. Höfer
    Momentum space view of the ultrafast dynamics of surface photocurrents on topological insulators
    Proc. SPIE 10102, 101020Q-1 (2017). DOI: 10.1117/12.2250295
  • N. Armbrust, F. Schiller, J. Güdde, and U. Höfer
    Model potential for the description of metal/organic interface states
    Sci. Rep. 7, 46561 (2017). DOI: 10.1038/srep46561
  • K. Kuroda, J. Reimann, K. A. Kokh, O. E. Tereshchenko, A. Kimura, J. Güdde, and U. Höfer
    Ultrafast energy- and momentum-resolved surface Dirac photocurrents in the topological insulator Sb2Te3
    Phys. Rev. B 95, 081103(R) (2017). DOI: 10.1103/PhysRevB.95.081103
  • K. Ishioka, A. Rustagi, U. Höfer, H. Petek, and C. J. Stanton
    Intrinsic coherent acoustic phonons in the indirect band gap semiconductors Si an GaP

    Phys. Rev. B 95, 035205 (2017). DOI: 10.1103/PhysRevB.95.035205
  • J. Pecher, G. Mette, M. Dürr, and R. Tonner
    Site-specific reactivity of ethylene at distorted dangling bond configurations on Si(001)
    Chem. Phys. Chem. 18, 357 (2017). DOI: 10.1002/cphc.201601134

2016

  • M. Reutzel, N. Münster, M. A. Lipponer, C. Länger, U. Höfer, U. Koert, and M. Dürr
    Chemoselective reactivity of bifunctional cyclooctynes on Si(001)
    J. Phys. Chem. C 120, 26284 (2016). DOI: 10.1021/acs.jpcc.6b0751
  • P. Jakob, N. L. Zaitsev, A. Namgalies, R. Tonner, I. A. Nechaev, F. S. Tautz, U. Höfer, and D. Sánchez-Portal
    Adsorption geometry and the interface states: Relaxed and compressed phases of NTCDA/Ag(111)
    Phys. Rev. B 94, 125436 (2016). DOI: 10.1103/PhysRevB.94.125436
  • R. Wallauer, N. Armbrust, J. Reimann, J. Güdde, and U. Höfer
    Intervalley scattering in MoS2 imaged by two-photon photoemission with a high-harmonic probe
    Appl. Phys. Lett. 109, 162102 (2016). DOI: 10.1063/1.4965839
  • N. L. Zaitsev, I. A. Nechaev, U. Höfer, and E. V. Chulkov
    Adsorption geometry and electronic properties of flat-lying monolayers of tetracene on the Ag(111) surface
    Phys. Rev. B 94, 155452 (2016). DOI: 10.1103/PhysRevB.94.155452
  • N. Armbrust, J. Güdde, U. Höfer, S. Kossler, and P. Feulner
    Spectroscopy and dynamics of a two-dimensional electron gas on ultrathin helium films on Cu(111)
    Phys. Rev. Lett. 116, 256801 (2016). DOI: 10.1103/PhysRevLett.116.256801
  • A. Stegmüller, K. Werner, M. Reutzel, A. Beyer, P. Rosenow, U. Höfer, W. Stolz, K. Volz, M. Dürr, and R. Tonner
    Surface Chemistry of tert-Butylphosphine (TBP) on Si(001) in the Nucleation Phase of Thin-‚Film Growth
    Chem. Eur. J. 22, 14920 (2016). DOI: 10.1002/chem.201602418
  • M. A. Lipponer, M. Reutzel, M. Dürr, and U. Höfer
    Energy Dependent Sticking Coefficients of Trimethylamine on Si(001) – Influence of the Datively Bonded Intermediate State on the Adsorption Dynamics

    Surf. Sci. 651, 118 (2016). DOI:10.1016/j.susc.2016.04.005
  • K. Kuroda, J. Reimann, J. Güdde, and 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). DOI: 10.1103/PhysRevLett.116.076801
  • K. Ishioka, K. Brixius, A. Beyer, A. Rustagi, C. J. Stanton, W. Stolz, K. Volz, U. Höfer, and H. Petek
    Coherent phonon spectroscopy characterization of electronic bands at buried semiconductor heterointerfaces

    Appl. Phys. Lett. 108, 051607 (2016). DOI: 10.1063/1.4941397
  • U. Höfer and P. M. Echenique
    Resolubility of Image-Potential Resonances
    Surf. Sci. 643, 203 (2016). DOI: 10.1016/j.susc.2015.07.019

2015

  • S. S. Tsirkin, N. L. Zaitsev, I. A. Nechaev, R. Tonner, U. Höfer, and E. V. Chulkov
    Inelastic decay of electrons in Shockley-type metal-organic interface states
    Phys. Rev. B 92, 235434 (2015). DOI: 10.1103/PhysRevB.92.235434
  • K. Ishioka, K. Brixius, U. Höfer, A. Rustagi, E. M. Thatcher, C. J. Stanton, and H. Petek
    Dynamically coupled plasmon-phonon modes in GaP: An indirect-gap polar semiconductor
    Phys. Rev. B 92, 205203 (2015). DOI: 10.1103/PhysRevB.92.205203
  • N. Armbrust, J. Güdde and U. Höfer
    Formation of Image-Potential States at the Graphene/Metal Interface
    New J. Phys. 17, 103043 (2015). DOI: 10.1088/1367-2630/17/10/103043
  • M. Reutzel, M. Lipponer, M. Dürr, and U. Höfer
    Binding Energy and Dissociation Barrier – Experimental Determination of the Key Parameters of the Potential Energy Curve of Diethyl Ether on Si(001)
    J. Phys. Chem. Lett. 6, 3971 (2015). DOI: 10.1021/acs.jpclett.5b01510
  • A. Damm, J. Güdde, P. Feulner, A. Czasch, O. Jagutzki, H. Schmidt-Böcking, and U. Höfer
    Application of a time-of-flight spectrometer with delay-line detector for time- and angle-resolved two-photon photoemission

    J. Electron Spectrosc. 202, 74 (2015). DOI: 10.1016.j.elspec.2015.03.009
  • M. Reutzel, G. Mette, P. Stromberger, U. Koert, M. Dürr, and U. Höfer
    Dissociative adsorption of diethyl ether on Si(001) studied by means of scanning tunneling microscopy and photoelectron spectroscopy
    J. Phys. Chem. C 119, 6018 (2015). DOI: 10.1021/jp511780p
  • M. Lipponer, M. Dürr, and U. Höfer
    Adsorption dynamics of tetrahydrofuran on Si(001) studied by means of molecular beam techniques
    Chem. Phys. Lett. 624, 69 (2015). DOI: 10.1016/j.cplett.2015.02.008

2014

  • G. Mette, M. Reutzel, R. Bartholomäus, S. Laref, R. Tonner, M. Dürr, U. Koert, and U. Höfer
    Complex surface chemistry of an otherwise inert solvent molecule: Tetrahydrofuran on Si(001)
    Chem. Phys. Chem. 15, 3725 (2014). DOI: 10.1002/cphc.201402486
  • J. Reimann, J. Güdde, K. Kuroda, E. V. Chulkov, and U. Höfer
    Spectroscopy and dynamics of unoccupied electronic states of the topological insulators Sb2Te3 and Sb2Te2S
    Phys. Rev. B 90, 081106 (2014). DOI: 10.1103/PhysRevB.90.081106
  • M. Marks, A. Schöll, and U. Höfer
    Formation of metal-organic interface states studied with 2PPE
    J. Electr. Spectrosc. 195, 263 (2014). DOI: 10.1016/j.elspec.2014.02.009
  • M. C. E. Galbraith, M. Marks, R. Tonner, and U. Höfer
    Formation of an organic/metal interface state from a Shockley resonance
    J. Phys. Chem. Lett. 5, 50 (2014). DOI: 10.1021/jz402249b

2013

  • M. Marks, C. H. Schwalb, S. Sachs, A. Schöll, and U. Höfer
    Electronic structure and excited state dynamics in optically excited PTCDA films investigated with 2-photon photoemission
    J. Chem. Phys. 139, 124701 (2013). DOI: 10.1063/1.4818541
  • M. Dürr and U. Höfer
    Reaction Dynamics of Molecular Hydrogen on Silicon Surfaces: Importance of Lattice Degrees of Freedom
    Chapter 10 in Dynamics of Gas-Surface Interactions, Springer Series in Surface Sciences, Vol. 50,
    Hrsg: R. Díez Muiño and H. F. Busnego (Springer, Berlin), pp. 239-265 (2013).
  • M. Dürr and U. Höfer
    Hydrogen diffusion on silicon surfaces
    Prog. Surf. Sci. 88, 61 (2013). DOI: 10.1016/j.progsurf.2013.01.001
  • G. Mette, M. Dürr, R. Bartholomäus, U. Koert, and U. Höfer
    Real-space adsorption studies of cyclooctyne on Si(001)
    Chem. Phys. Lett. 556, 70 (2013). DOI: 10.1016/j.cplett.2012.11.029

2012

  • S. S. Tsirkin, S. V. Eremeev, E. V. Chulkov, M. Marks, K. Schubert, J. Güdde, and U. Höfer
    Temperature dependence of the dynamics of the first image-potential state on Ag(111)
    Phys. Rev. B 86, 085424 (2012). DOI: 10.1103/PhysRevB.86.085424
  • K. Schubert, A. Damm, S. V. Eremeev, M. Marks, M. Shibuta, W. Berthold, J. Güdde, A. G. Borisov,
    S. S. Tsirkin, E. V. Chulkov, and U. Höfer
    Momentum-resolved electron dynamics of image-potential states on Cu and Ag surfaces
    Phys. Rev. B 85, 205431 (2012). DOI: 10.1103/PhysRevB.85.205431
  • M. Lipponer, N. Armbrust, M. Dürr, and U. Höfer
    Adsorption dynamics of ethylene on Si(001)
    J. Chem. Phys. 136, 144703 (2012). DOI: 10.1063/1.3700180
  • C. M. Heyl, J. Güdde, A. L’Huillier, and U. Höfer
    High-order harmonic generation with µJ laser pulses at high repetition rates
    J. Phys. B: At. Mol. Opt. Phys. 45, 074020 (2012). DOI: 10.1088/0953-4075/45/7/074020
    see also:
    Labtalk „Scaling up the repetion rate of high-order harmonic sources“
  • M. Marks, C. Schmidt, C. H. Schwalb, T. Breuer, G. Witte, and U. Höfer
    Temperature Dependent Structural Phase Transition at the Perfluoropentacene/Ag(111) Interface
    J. Phys. Chem. C 116, 1904 (2012). DOI: 10.1021/jp2094577
  • N. Armbrust, J. Güdde, P. Jakob, and U. Höfer
    Time-Resolved Two-Photon Photoemission of Unoccupied Electronic States of Periodically Rippled Graphene on Ru(0001)
    Phys. Rev. Lett. 108, 056801 (2012). DOI: 10.1103/PhysRevLett.108.056801

2011

  • M. Marks, C. H. Schwalb, K. Schubert, J. Güdde, and U. Höfer
    Quantum-beat spectroscopy of image-potential resonances
    Phys. Rev. B 84, 245402 (2011). DOI: 10.1103/PhysRevB.84.245402
  • M. Winter, E. V. Chulkov, and U. Höfer
    Trapping of image-potential resonances on free-electron-like metal surface
    Phys. Rev. Lett. 107, 236801 (2011). DOI: 10.1103/PhysRevLett.107.236801
  • M. Marks, N. L. Zaitsev, B. Schmidt, C. H. Schwalb, A. Schöll, I. A. Nechaev, P. M. Echenique, E. V. Chulkov, and U. Höfer
    Energy shift and wave function overlap of metal-organic interface states

    Phys. Rev. B 84, 081301 (2011). DOI: 10.1103/PhysRevB.84.081301
  • C. M. Heyl, J. Güdde, U. Höfer, and A. L’Huillier
    Spectrally-resolved maker fringes in high-order harmonic generation

    Phys. Rev. Lett. 107, 033903 (2011). DOI: 10.1103/PhysRevLett.107.033903
  • K. Klass, G. Mette, J. Güdde, M. Dürr, and U. Höfer
    Second-harmonic microscopy for fluence-dependent investigation of laser-induced surface reactions
    Phys. Rev. B 83, 125116 (2011). DOI: 10.1103/PhysRevB.83.125116
  • J. Götzen, C. H. Schwalb, C. Schmidt, G. Mette, M. Marks, U. Höfer and G. Witte
    Structural evolution of perfluoro-pentacene films on Ag(111): transition from 2D to 3D growth
    Langmuir 27, 993 (2011). DOI: 10.1021/la1022664

2010

  • C. H. Schwalb, M. Dürr, and U. Höfer
    High-temperature investigation of intradimer diffusion of hydrogen on Si(001)
    Phys. Rev. B 82, 193412 (2010). DOI: 10.1103/PhysRevB.82.193412
  • J. Güdde, M. Rohleder, T. Meier, S. W. Koch, and U. Höfer
    Coherently controlled electrical currents at surfaces
    Chapter 5 in Dynamics at Solid State Surfaces and Interfaces, Vol. 1: Current Developments,
    Hrsg: U. Bovensiepen, H. Petek, M. Wolf (Wiley-VCH, Weinheim, 2010)
  • J. Güdde, M. Bonn, H. Ueba, and U. Höfer
    Time-resolved investigation of electronically induced diffusion processes
    Chapter 4 in Dynamics at Solid State Surfaces and Interfaces, Vol. 1: Current Developments,
    Hrsg: U. Bovensiepen, H. Petek, M. Wolf (Wiley-VCH, Weinheim, 2010)
  • J. Güdde and U. Höfer
    Dynamics of electronic states at metal/insulator interfaces
    Chapter 1 in Dynamics at Solid State Surfaces and Interfaces, Vol. 1: Current Developments,
    Hrsg: U. Bovensiepen, H. Petek, M. Wolf (Wiley-VCH, Weinheim, 2010)
  • J. Güdde, M. Rohleder, T. Meier, S. W. Koch, and U. Höfer
    Ultrafast coherent control of electric currents at metal surfaces
    Proc. SPIE, Vol. 7600, 76001K (2010). DOI: 10.1117/12.839672
  • C. H. Schwalb, M. Marks, S. Sachs, A. Schöll, F. Reinert, E. Umbach, and U. Höfer
    Time-resolved measurements of electron transfer processes at the PTCDA/Ag(111) interface
    Eur. Phys. J. B 75, 23 (2010). DOI: 10.1140/epjb/e2010-00106-6

2009

  • A. Damm, K. Schubert, J. Güdde, and U. Höfer
    Observation of the transition from image-potential states to resonances on Argon-covered Cu(111) and Ag(111) by time-resolved two-photon photoemission
    Phys. Rev. B 80, 205425 (2009). DOI: 10.1103/PhysRevB.80.205425
  • G. Mette, C. H. Schwalb, M. Dürr, and U. Höfer
    Site-selective reactivity of ethylene on clean and hydrogen precovered Si(001)
    Chem. Phys. Lett. 483, 209-213 (2009). DOI: 10.1016/j.cplett.2009.10.073
  • S. Sachs, C. H. Schwalb, M. Marks, A. Schöll, F. Reinert, E. Umbach, and U. Höfer
    Electronic structure at the perylene-tetracarboxylic acid dianhydride/Ag(111) interface studied with two-photon photoelectron spectroscopy
    J. Chem. Phys. 131, 144701 (2009). DOI: 10.1063/1.3243851
  • C. H. Schwalb, M. Dürr, and U. Höfer
    Real-space investigation of high-barrier H-diffusion across the dimer rows of Si(001)
    Phys. Rev. B 80, 085317 (2009). DOI: 10.1103/PhysRevB.80.085317
  • M. Lawrenz, K. Stépán, J. Güdde, and U. Höfer
    Time-domain investigation of laser-induced diffusion of CO on a vicinal Pt(111)-surface
    Phys. Rev. B 80, 075429 (2009). DOI: 10.1103/PhysRevB.80.075429
  • J. Güdde, M. Rohleder, T. Meier, S. W. Koch and U. Höfer
    Generation and time-resolved detection of coherently controlled electric currents at surfaces
    phys. stat. sol. C 6, No. 2, 461-465 (2009). DOI: 10.1002/pssc.200880350

2008

  • J. Güdde and U. Höfer
    Kohärenz an Oberflächen
    Physik Journal 7 (11), 33-39 (2008)
  • C. H. Schwalb, S. Sachs, M. Marks, A. Schöll, F. Reinert, E. Umbach, and U. Höfer
    Electron Lifetime in a Shockley-Type Metal-Organic Interface State
    Phys. Rev. Lett. 101, 146801 (2008). DOI: 10.1103/PhysRevLett.101.146801

2007

  • J. Güdde, M. Rohleder, T. Meier, S. W. Koch, and U. Höfer
    Time-Resolved Investigation of Coherently Controlled Electric Currents at a Metal Surface
    Science 318, 1287-1291 (2007). DOI: 10.1126/science.1146764
  • T. Fauster, M. Weinelt, and U. Höfer
    Quasi-elastic scattering of electrons in image-potential states
    Progr. Surf. Sci. 82, 224-243 (2007). DOI: 10.1016/j.progsurf.2007.03.007
  • M. Rohleder, W. Berthold, J. Güdde and U. Höfer
    Photoelectron spectroscopy of Ar/Cu(100) interface states
    Appl. Phys. A 88, 527-534 (2007). DOI: 10.1007/s00339-006-3711-0
  • M. Lawrenz, P. Kratzer, C. H. Schwalb, M. Dürr and U. Höfer
    Diffusion pathways of hydrogen across the steps of a vicinal Si(001) surface
    Phys. Rev. B 75, 125424 (2007). DOI: 10.1103/PhysRevB.75.125424
  • C. H. Schwalb, M. Lawrenz, M. Dürr, and U. Höfer
    Real-space investigation of fast diffusion processes of hydrogen on Si(001) by combination of nanosecond laser heating and STM
    Phys. Rev. B 75, 085439 (2007). DOI: 10.1103/PhysRevB.75.085439

2006

  • M. Dürr and U. Höfer
    Dissociative adsorption of molecular hydrogen on silicon surfaces
    Surf. Sci. Rep. 61, 465 (2006) DOI: 10.1016/j.surfrep.2006.08.002
  • J. Güdde, W. Berthold, and U. Höfer
    Dynamics of Electronic Transfer Processes at Metal/Insulator Interfaces
    Chem. Rev. 106, 4261 (2006). DOI: 10.1021/cr050171s
  • J. Güdde, M. Rohleder and U. Höfer
    Time-resolved two-color interferometric photoemission of image-potential states on Cu(100)
    Appl. Phys. A 85, 345 (2006) DOI: 10.1007/s00339-006-3711-0
  • J. Güdde and U. Höfer
    Dynamics of femtosecond-laser-induced lateral motion of an adsorbate: O on vicinal Pt(111)
    J. Phys.: Condens. Matter 18, S1409 (2006). DOI: 10.1088/0953-8984/18/30/S04
  • M. Mauerer, I. L. Shumay, W. Berthold, and U. Höfer
    Ultrafast carrier dynamics in Si(111)7×7 dangling bonds probed by time-resolved second-harmonic generation and two-photon photoemission
    Phys. Rev. B 73, 245305 (2006). DOI: 10.1103/PhysRevB.73.245305
  • M. Dürr and Höfer
    Comment on: „Atomistic View of the Recombinative Desorption of H2 from H/Si(100)“
    Phys. Rev. Lett. 96, 209601 (2006). DOI: 10.1103/PhysRevLett.96.209601

2005

  • J. Güdde and U. Höfer
    Femtosecond time-resolved studies of image-potential states at surfaces and interfaces of rare-gas adlayers
    Progr. Surf. Sci. 80, 49-91 (2005). DOI: 10.1016/j.progsurf.2005.10.003
  • K. Stépán, M. Dürr, J. Güdde, and U. Höfer
    Laser-induced diffusion of oxygen on a stepped Pt(111) surface
    Surf. Sci. 593, 54-66 (2005). DOI: 10.1016/j.susc.2005.06.047
  • K. Stépán, J. Güdde, and U. Höfer
    Time-Resolved Measurement of Surface Diffusion Induced by Femtosecond Laser Pulses
    Phys. Rev. Lett. 94, 236103 (2005). DOI: 10.1103/PhysRevLett.94.236103
  • M. Rohleder, K. Duncker, W. Berthold, J. Güdde and U. Höfer
    Momentum-resolved dynamics of Ar/Cu(100) interface states probed by time-resolved two-photon photoemission
    New J. of Phys. 7, 103 (2005). DOI: 10.1088/1367-2630/7/1/103
  • M. Rohleder, W. Berthold, J. Güdde, and U. Höfer
    Time-Resolved Two-Photon Photoemission of Buried Interface States in Ar/Cu(100)
    Phys. Rev. Lett. 94, 017401-1 (2005). DOI: 10.1103/PhysRevLett.94.017401
  • W. Berthold and U. Höfer
    Time-Resolved Two-Photon Photoemission at Metal-Dielectric Interfaces
    Israel J. of Chem. 45, 181-194 (2005). DOI: 10.1560/TRUV-HV8H-DBH4-X9VN
  • T. Meier, M. Reichelt, S. W. Koch and U. Höfer
    Femtosecond time-resolved five-wave mixing at silicon surfaces
    J. Phys.: Condens. Matter 17 S221-S244 (2005). DOI: 10.1088/0953-8984/17/8/003

2004

  • M. Dürr and U. Höfer
    Molecular beam investigation of hydrogen dissociation on Si(001) and Si(111) surfaces
    J. Chem. Phys. 121, 8058-67 (2004).
  • M. Machado, W. Berthold, U. Höfer, E. V. Chulkov, P. M. Echenique
    Image-potential state lifetimes in Ar/Cu(100)
    Surf. Sci. 564, 87-92 (2004).
  • P. M. Echenique, R. Berndt, E. V. Chulkov, Th. Fauster, A. Goldmann and U. Höfer
    Decay of electronic excitations at metal surfaces
    Surf. Sci. Rep. 52, 219-317 (2004).
  • C. Voelkmann, M. Reichelt, T. Meier, S. W. Koch and U. Höfer
    Five-Wave-Mixing Spectroscopy of Ultrafast Electron Dynamics at a Si(001) Surface
    Phys. Rev. Lett. 92, 127405 (2004).
  • W. Berthold, P. Feulner, U. Höfer
    Laser-induced desorption of Ar from Cu(100) probed by two- photon photoemission spectroscopy of image-potential states
    Surf. Sci. 548, L13-L20 (2004).
  • W. Berthold, F. Rebentrost, P. Feulner, U. Höfer
    Influence of Ar, Kr, and Xe layers on the energies and lifetimes of image-potential states on Cu(100)
    Appl. Phys. A 78, 131 (2004).

2003

  • M. Machado, E. V. Chulkov, V. M. Silkin, U. Höfer and P. M. Echenique
    Electron lifetimes in image-potential states at metal-dielectric interfaces
    Progr. Surf. Sci. 74, 219-237 (2003).

2002

  • D. C. Marinica, C. Ramseyer, A. G. Borisov, D. Teillet-Billy, J. P. Gauyacq, W. Berthold, P. Feulner, and U. Höfer
    Effect of an Atomically Thin Dielectric Film on the Surface Electron Dynamics: Image-Potential States in the Ar/Cu(100) System
    Phys. Rev. Lett. 89, 046802 (2002).
  • W. Berthold, P. Feulner, and U. Höfer
    Decoupling of image-potential states by Ar mono- and multilayers
    Chem. Phys. Lett. 358, 502-08 (2002).
  • J. Güdde, J. Hohlfeld, and E. Matthias
    About the depth sensitivity of second-harmonic radiation in ultra-thin metal films
    Appl. Phys. B 74, 691-695 (2002).
  • M. Dürr, A. Biedermann, Z. Hu, U. Höfer, and T. F. Heinz
    Probing High-Barrier Pathways of Surface Reactions by Scanning Tunneling Microscopy
    SCIENCE 296, 1838-41 (2002).
  • M. Dürr and U. Höfer
    Stereochemistry on Si(001): Angular dependence of H2 dissociation
    Phys. Rev. Lett. 88, 076107 (2002).
  • W. Berthold, U. Höfer, P. Feulner, E. V. Chulkov, V. M. Silkin, and P. M. Echenique
    Momentum-Resolved Lifetimes of Image-Potential States on Cu(100)
    Phys. Rev. Lett. 88, 056805 (2002).
  • M. Dürr, Z. Hu, A. Biedermann, U. Höfer, and T. F. Heinz
    Real-Space Study of the Pathway for Dissociative Adsorption of H2 on Si(001)
    Phys. Rev. Lett. 88, 046104 (2002).

2001

  • W. Berthold, J. Güdde, P. Feulner, and U. Höfer
    Resonant interband scattering of image-potential states
    Appl. Phys. B 73, 865-868 (2001).
  • T. Klamroth, P. Saalfrank, and U. Höfer
    Open-system density-matrix approach to image-potential dynamics of electrons at Cu(100): Energy- and time-resolved two-photon photoemission spectra
    Phys. Rev. B 64, 035420 (2001).
  • M. B. Raschke and U. Höfer
    Chemisorption energy of hydrogen on silicon surfaces
    Phys. Rev. B 63, 201303(R) (2001).
  • M. Dürr, Z. Hu, A. Biedermann, U. Höfer, and T. F. Heinz
    Real-space investigation of hydrogen dissociation at step sites of vicinal Si(001) surfaces
    Phys. Rev. B 63, 121315 (2001).
  • M. Dürr, M. B. Raschke, E. Pehlke, and U. Höfer
    Structure Sensitive Reaction Channels of Molecular Hydrogen on Silicon Surfaces
    Phys. Rev. Lett. 86, 123-6 (2001).

2000

  • U. Höfer
    Dynamik von Bildpotentialzuständen
    in: 31. IFF-Ferienkurs – Dynamik in kondensierter Materie (Forschungszentrum Jülich, 2000) F4.1-15.
  • W. Berthold, U. Höfer, P. Feulner, and D. Menzel
    Influence of Xe adlayer morphology and electronic structure on image-potential state lifetimes of Ru(0001)
    Chem. Phys. 251, 123-32 (2000).

1999

  • M. Dürr, M. B. Raschke, and U. Höfer
    Effect of beam energy and surface temperature on the dissociative adsorption of H2 on Si(001)
    J. Chem. Phys. 111, 10411-4 (1999).
  • C. Voelkmann, M. Mauerer, W. Berthold, and U. Höfer
    Second-Harmonic Diffraction from a Transient Population Grating of Silicon Dangling Bonds
    phys. stat. sol. (a) 175, 169-76 (1999).
  • M. B. Raschke and U. Höfer
    Influence of steps and defects on the dissociative adsorption of molecular hydrogen on silicon surfaces
    Appl. Phys. B 68, 649-55 (1999).
  • M. Weinelt, Ch. Reuß, M. Kutschera, U. Thomann, I. L. Shumay, Th. Fauster, U. Höfer, F. Theilmann, and A. Goldmann
    Decay and dephasing of image-potential states due to surface defects and disorder
    Appl. Phys. B 68, 377-81 (1999).
  • U. Höfer
    Time-resolved coherent spectroscopy of surface states
    Appl. Phys. B 68, 383-92 (1999).
  • M. B. Raschke and U. Höfer
    Equilibrium and non-equilibrium hydrogen coverages on vicinal Si(001) surfaces: Diffusion barriers and binding energies
    Phys. Rev. B 59, 2783-9 (1999).
  • Ch. Reuß, I. L. Shumay, U. Thomann, M. Kutschera, W. Weinelt, Th. Fauster, and U. Höfer
    Control of the Dephasing of Image-Potential States by CO Adsorption on Cu(100)
    Phys. Rev. Lett. 82, 153-6 (1999).

1998

  • P. Kratzer, E. Pehlke, M. Scheffler, M. B. Raschke, and U. Höfer
    Highly Site-Specific H2 Adsorption on Vicinal Si(001) Surfaces
    Phys. Rev. Lett. 81, 5596-9 (1998).
  • I. L. Shumay, U. Höfer, Ch. Reuß, U. Thomann, W. Wallauer, and Th. Fauster
    Lifetimes of image-potential states on Cu(100) and Ag(100) measured by femtosecond time-resolved two-photon photoemission
    Phys. Rev. B 58, 13974-81 (1998).
  • Ch. Reuß, M. Kutschera, I. L. Shumay, U. Thomann, M. Weinelt, Th. Fauster, and U. Höfer
    Dephasing of Image-Potential States on Cu(100) upon CO Adsorption Measured by Femtosecond Time-Resolved Two-Photon Photoemission Spectroscopy
    Ultrafast Phenomena XI, Hrsg: T. Elsässer et al. (Springer-Verlag, Berlin, 1998) S. 333-335.
  • W. Berthold, I. L. Shumay, P. Feulner, and U. Höfer
    Lifetime Effects of Xenon Adsorption on the Image-Potential States of Ru(0001) states of Ru(001)
    Ultrafast Phenomena XI, Hrsg: T. Elsässer et al. (Springer-Verlag, Berlin, 1998) S. 330-332.
  • M. B. Raschke, P. Bratu, and U. Höfer
    Optical second-harmonic investigations of the isothermal desorption of SiO from the Si(100) and Si(111) surfaces
    Surf. Sci. 410, 351-61 (1998).
  • U. Höfer, I. L. Shumay, Ch. Reuß, U. Thomann, and Th. Fauster
    Wave-Packet Excitation and Quantum-Beat Spectroscopy of Image-Potential States
    Proc. SPIE 3272, 211-220 (1998).
  • U. Höfer
    Self-Trapping of Electrons at Surfaces
    SCIENCE 279, 190-91 (1998).

1997

  • U. Höfer, I. L. Shumay, Ch. Reuß, U. Thomann, W. Wallauer, and Th. Fauster
    Time-Resolved Coherent Photoelectron Spectroscopy of Quantized Electronic States on Metal Surfaces
    SCIENCE 277, 1480-82 (1997).
  • P. A. Williams, G. A. Reider, Leping Li, U. Höfer, T. Suzuki, and T. F. Heinz
    Physisorbed Template for Spatial Patterning of Adsorbates
    Phys. Rev. Lett. 79, 3459-62 (1997).
  • W. Brenig, A. Gross, U. Höfer, and R. Russ
    Adsorption-desorption of H2/Si: A 5-D Dynamical Model
    phys. stat. sol. (a) 159, 75-90 (1997).

1996

  • W. Brenig, A. Groß, U. Höfer, P. Kratzer, and R. Russ
    Reaction Dynamics of H2/Si: A 5-D Model
    in: Elementary Processes in Excitations and Reactions on Solid Surfaces,
    Springer Series in Solid-State Sciences, Hrsg: A. Okiji, H. Kasai, K. Makoshi (Springer-Verlag, Berlin 1996), p. 3.
  • U. Höfer
    Nonlinear optical investigations of the dynamics of hydrogen interaction with silicon surfaces
    Appl. Phys. A 63, 533-47 (1996).
  • P. Bratu, W. Brenig, A. Groß, M. Hartmann, U. Höfer, P. Kratzer, and R. Russ
    Reaction dynamics of molecular hydrogen on silicon surfaces
    Phys. Rev. B 54, 5978-91 (1996).
  • U. Höfer
    Nichtlineare optische Spektroskopie an Siliziumoberflächen
    Habilitationsschrift, Physik Department, Technische Universität München (1996).
  • I. L. Shumay and U. Höfer
    Phase transformations of an InSb surface induced by strong femtosecond laser pulses
    Phys. Rev. B 53, 15878-84 (1996).
  • P. Bratu, K. L. Kompa, and U. Höfer
    Optical second-harmonic investigations of H2 and D2 adsorption on Si(100)2×1: the surface temperature dependence of the sticking coefficient
    Chem. Phys. Lett. 251, 1-7 (1996).
  • I. L. Shumay and U. Höfer
    Subpicosecond-time-resolved strucural dynamics of optically excited InSb
    in: Femtochemistry: Ultrafast chemical and physical processes in molecular systems,
    Hrsg: M. Chergui (World Scientific, Singapore, 1996), 641-44.

1995

  • U. Höfer, Leping Li, G. Ratzlaff, and T. F. Heinz
    Nonlinear optical study of the Si(111)7×7 to 1×1 phase transition: Superheating and nature of the 1×1 phase
    Phys. Rev. B 52, 5264-68 (1995).
  • U. Höfer
    Optical Second-Harmonic Studies of the Kinetics and Dynamics of Hydrogen Interaction with Silicon Surfaces
    Proc. Symp. Surf. Sci. 3S’95, Eds.: P. Varga, J. Aumayer (Kitzsteinhorn, Salzburg/A 1995), pp. 3-10.
  • P. Bratu and U. Höfer
    Phonon-Assisted Sticking of Molecular Hydrogen on Si(111)-(7×7)
    Phys. Rev. Lett. 74, 1625-28 (1995).

1994

  • P. Bratu, K. L. Kompa, and U. Höfer
    Kinetics of oxygen dissociation on Si(111)7×7 investigated with optical second-harmonic generation
    Phys. Rev. B 49, 14070-73 (1994).
  • T. F. Heinz, J. A. Misewich, U. Höfer, A. Kalamarides, S. Nakabayashi, P. Weigand, and M. Wolf
    Femtosecond Laser Induced Processes: Ultrafast Dynamics and Reaction pathways of O2/Pd(111)
    Proc. SPIE 2125, 276-84 (1994).
  • J. A. Misewich, A. Kalamarides, T. F. Heinz, U. Höfer, and M. M. T. Loy
    Vibrationally assisted electronic desorption: Femtosecond surface chemistry of O2/Pd(111)
    J. Chem. Phys. 100, 736-39 (1994).
  • J. A. Misewich, T. F. Heinz, U. Höfer, A. Kalamarides, and M. M. T. Loy
    Ultrafast studies of surface dynamics: O2/Pd(111)
    AIP Conf. Proc. 290 (ICOLS-11), 165-70 (1994).

1993

  • P. Maciejewski, U. Höfer, W. Wurth, and E. Umbach
    Determination of adsorbate orientation by means of angle-resolved Auger fine structure: CO on Ni(110)
    J. El. Spectr. Relat. Phen. 62, 1-22 (1993).

1992

  • U. Höfer, Leping Li, and T. F. Heinz
    Desorption of hydrogen from Si(100)2×1 at low coverages: The influence of π-bonded dimers on the kinetics
    Phys. Rev. B 45, 9485-88 (1992).

1991

  • G. A. Reider, U. Höfer, and T. F. Heinz
    Surface Diffusion of Hydrogen on Si(111)7×7
    Phys. Rev. Lett. 66, 1994-97 (1991).
  • G. A. Reider, U. Höfer, and T. F. Heinz
    Desorption kinetics of hydrogen from the Si(111)7×7 surface
    J. Chem. Phys. 94, 4080-83 (1991).
  • R. Scheuerer, P. Bratu, G. Rocker, L. Zhu, Y. Baba, P. Feulner, U. Höfer, W. Wurth, and D. Menzel
    Radiation Induced Desorption and Dissociation of Condensed, Physisorbed and Chemisorbed N2O
    Proc. Symp. Surf. Sci. 3S’91, Eds.: P. Varga, G. Betz, 279-83 (Obertraun, 1991).

1990

  • U. Höfer and E. Umbach
    Vibrational excitation in uv-photoemission of adsorbates
    J. El. Spectr. Relat. Phen. 54/55, 591-600 (1990).
  • U. Höfer, M. J. Breitschafter, and E. Umbach
    Information from vibration-resolved uv photoemission spectra of physisorbates
    Vacuum 41, 431-32 (1990).
  • D. Coulman, A. Puschmann, U. Höfer, H.-P. Steinrück, W. Wurth, P. Feulner, and D. Menzel
    Excitation, deexcitation, and fragmentation in the core region of condensed and adsorbed water
    J. Chem. Phys. 93, 58-75 (1990).
  • U. Höfer, M. J. Breitschafter, and E. Umbach
    Photoemission Line Shapes of Adsorbates: Conclusions from the Analysis of Vibration-Resolved N2 Spectra
    Phys. Rev. Lett. 64, 3050-53 (1990).

1989

  • M. Pedio, J. C. Fuggle, J. Somers, E. Umbach, J. Haase, Th. Lindner, U. Höfer, M. Grioni, F. de Groot, B. Hillert, L. Becker, and A. Robinson
    Covalency in oxygen chemisorption as probed by x-ray absorption
    Phys. Rev. B 40, 7924-27 (1989)
  • U. Höfer, P. Morgen, W. Wurth, and E. Umbach
    Initial stages of oxygen adsorption on Si(111). II. The molecular precursor
    Phys. Rev. B 40, 1130-45 (1989)
  • P. Morgen, U. Höfer, W. Wurth, and E. Umbach
    Initial stages of oxygen adsorption on Si(111): The stable state
    Phys. Rev. B 39, 3720-34 (1989)
  • U. Höfer, A. Puschmann, D. Coulman, and E. Umbach
    Adsorption of molecular oxygen on Si(111)
    Surf. Sci. 211/212, 948-58 (1989)

1985

  • U. Höfer, P. Morgen, W. Wurth, and E. Umbach
    Metastable Molecular Precursor for the Dissociative Adsorption of Oxygen on Si(111)
    Phys. Rev. Lett. 55, 2979-82 (1985)