Publication List of U. Höfer

  • 2024

      • T. Glaser, A. Adamkiewicz, J. Heep, U. Höfer, and M. Dürr
        Chemoselective adsorption of Allyl Ethers on Si(001): How the interaction between two functional groups controls the reactivity and final products of a surface reaction
        J. Phys. Chem. Lett. 15, 7168 (2024). DOI: 10.1021/acs.jpclett.4c01416

  • 2023

      • A. Adamkiewicz, M. Raths, M. Stettner, M. Theilen, L. Münster, S. Wenzel, M. Hutter, S. Soubatch, C. Kumpf, F. C. Bocquet, R. Wallauer, F. S. Tautz, and U. Höfer
        Coherent and incoherent excitation pathways in time-resolved photoemission orbital tomography of CuPc/Cu(001)-2O
        J. Phys. Chem. C 127, 20411 (2023). DOI: 10.1021/acs.jpcc.3c04859
      • A. Adamkiewicz, T. Bohamud, M. Reutzel, U. Höfer, and M. Dürr
        Tip-induced dissociation of Diethyl Ether on Si(001)─Influence of molecular structure on final reaction products
        J. Phys. Chem. C 127, 15819 (2023). DOI: 10.1021/acs.jpcc.3c03505
      • G. Mette, K. Ishioka, S. Youngkin, W. Stolz, K. Volz, and U. Höfer
        Strongly coupled interface electronic states and interface phonon mode at GaP/Si(001)
        arXiv:2305.04362 (2023). http://arxiv.org/abs/2305.04362
      • S. Ito, M. Schüler, M. Meierhofer, S. Schlauderer, J. Freudenstein, J. Reimann, D. Afanasiev, K. A. Kokh, O. E. Tereshchenko, J. Güdde, M. A. Sentef, U. Höfer and R. Huber
        Build-up and dephasing of Floquet-Bloch bands on subcycle timescales
        Nature 616, 696 (2023). DOI: 10.1038/s41586-023-05850-x
        News & views article by David Abergel: Nature Physics 19, 621 (2023). DOI: 10.1038/s41567-023-02068-6
      • J. Reimann, K. Sumida, M. Kakoki, K. A. Kokh, O. E. Tereshchenko, A. Kimura, J. Güdde, and U. Höfer
        Ultrafast electron dynamics in a topological surface state observed in two-dimensional momentum space
        Sci. Rep. 13, 5796 (2023). DOI: 10.1038/s41598-023-32811-1

  • 2022

      • K. Stallberg, A. Namgalies, S. Chatterjee, and U. Höfer
        Ultrafast exciton dynamics and charge transfer at PTCDA/metal interfaces
        J. Phys. Chem. C (2022).  DOI: 10.1021/acs.jpcc.2c04696
      • S.-H. Park, S. Lee, K. Ishioka, C.  J. Stanton, C.-S. Kee, A. Beyer, U. Höfer, W. Stolz, K. Volz,  and Y.-D. Jho
        Terahertz radiation from propagating acoustic phonons based on deformation potential coupling
        Opt. Express 30, 23544 (2022). – Editor’s Pick DOI: 10.1364/OE.460471
      • K. Ishioka, E. Angerhofer, C. J. Stanton, G. Mette, K. Volz, W. Stolz, and U. Höfer
        Separation of interface and substrate carrier dynamics at a heterointerface based on coherent phonons
        Phys. Rev. B 105, 035309 (2022). DOI: 10.1103/PhysRevB.105.035309

  • 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 15, 14725 (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
      • J. Güdde and U. Höfer
        Ultrafast dynamics of photocurrents in surface states of topological insulators
        Phys. Status Solidi B 258, 2000521 (2021). – Invited Feature Article DOI: 10.1002/pssb.202000521

  • 2020

      • 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 photoemissionJ. 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). DOI: 10.1063/1.1797052
      • 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). DOI: 10.1016/j.susc.2004.06.163
      • 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). DOI: 10.1016/j.surfrep.2004.02.002
      • 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). DOI: 10.1103/PhysRevLett.92.127405
      • 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). DOI: 10.1016/j.susc.2003.10.033
      • 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). DOI: 10.1007/s00339-003-2310-6

  • 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). DOI: 10.1016%2Fj.progsurf.2003.08.019

  • 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). DOI: 10.1103/PhysRevLett.89.046802
      • W. Berthold, P. Feulner, and U. Höfer
        Decoupling of image-potential states by Ar mono- and multilayers
        Chem. Phys. Lett. 358, 502-08 (2002). DOI: 10.1016/S0009-2614(02)00638-3
      • 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). DOI: 10.1007/s00340-002-0915-7
      • 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). DOI: 10.1126/science.1070859
      • M. Dürr and U. Höfer
        Stereochemistry on Si(001): Angular dependence of H2 dissociation
        Phys. Rev. Lett. 88, 076107 (2002). DOI: 10.1103/PhysRevLett.88.076107
      • 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). DOI: 10.1103/PhysRevLett.88.056805
      • 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). DOI: 10.1103/PhysRevLett.88.046104

  • 2001

      • W. Berthold, J. Güdde, P. Feulner, and U. Höfer
        Resonant interband scattering of image-potential states
        Appl. Phys. B 73, 865-868 (2001). DOI: 10.1007/s003400100765
      • 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). DOI: 10.1103/PhysRevB.64.035420
      • M. B. Raschke and U. Höfer
        Chemisorption energy of hydrogen on silicon surfaces
        Phys. Rev. B 63, 201303(R) (2001). DOI: 10.1103/PhysRevB.63.201303
      • 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). DOI: 10.1103/PhysRevB.63.121315
      • 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). DOI: 10.1103/PhysRevLett.86.123

  • 2000

      • U. Höfer
        Dynamik von Bildpotentialzuständen
        in: 31. IFF-Ferienkurs – Dynamik in kondensierter Materie (Forschungszentrum Jülich, 2000) F4.1-15. Reprint (PDF)
      • 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). DOI: 10.1016/S0301-0104(99)00329-8

  • 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). DOI: 10.1063/1.480395
      • 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). DOI: 10.1002/(SICI)1521-396X(199909)175:1%3C169::AID-PSSA169%3E3.0.CO;2-2
      • 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). DOI: 10.1007/s003400050680
      • 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). DOI: 10.1007/s003400050635
      • U. Höfer
        Time-resolved coherent spectroscopy of surface states
        Appl. Phys. B 68, 383-92 (1999). DOI: 10.1007/s003400050636
      • 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). DOI: 10.1103/PhysRevB.59.2783
      • 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). DOI: 10.1103/PhysRevLett.82.153

  • 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). DOI: 10.1103/PhysRevLett.81.5596
      • 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). DOI: 10.1103/PhysRevB.58.13974
      • 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. Reprint (PDF)
      • W. Berthold, I. L. Shumay, P. Feulner, and U. Höfer
        Lifetime Effects of Xenon Adsorption on the Image-Potential States of Ru(0001)
        Ultrafast Phenomena XI, Hrsg: T. Elsässer et al. (Springer-Verlag, Berlin, 1998) S. 330-332. Reprint (PDF)
      • 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). DOI: 10.1016/S0039-6028(98)00389-6
      • 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). Reprint (PDF)
      • U. Höfer
        Self-Trapping of Electrons at Surfaces
        SCIENCE 279, 190-91 (1998). DOI: 10.1126/science.279.5348.190

  • 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. Reprint (PDF)
      • U. Höfer
        Nonlinear optical investigations of the dynamics of hydrogen interaction with silicon surfaces
        Appl. Phys. A 63, 533-47 (1996). DOI: 10.1007/BF01567209
      • 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). DOI: 10.1103/PhysRevB.54.5978
      • U. Höfer
        Nichtlineare optische Spektroskopie an Siliziumoberflächen
        Habilitationsschrift, Physik Department, Technische Universität München (1996). MPQ-Report 216 (in German) (.pdf)
      • 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). DOI: 10.1103/PhysRevB.53.15878
      • 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). DOI: 10.1016/0009-2614(96)00085-1
      • 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. Reprint (PDF)

  • 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). DOI: 10.1103/PhysRevB.52.5264
      • 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. Reprint (PDF)
      • P. Bratu and U. Höfer
        Phonon-Assisted Sticking of Molecular Hydrogen on Si(111)-(7×7)
        Phys. Rev. Lett. 74, 1625-28 (1995). DOI: 10.1103/PhysRevLett.74.1625

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). DOI: 10.1103/PhysRevB.49.14070
      • 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). Reprint (PDF)
      • 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). DOI: 10.1063/1.466941
      • 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). Reprint (PDF)

  • 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). DOI: 10.1016/0368-2048(93)80002-4

  • 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). DOI: 10.1103/PhysRevB.45.9485

  • 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). DOI: 10.1103/PhysRevLett.66.1994
      • 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). DOI: doi.org/10.1063/1.460660
      • 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). Reprint (PDF)

  • 1990

      • U. Höfer and E. Umbach
        Vibrational excitation in uv-photoemission of adsorbates
        J. El. Spectr. Relat. Phen. 54/55, 591-600 (1990). DOI: 10.1016/0368-2048(90)80251-5
      • U. Höfer, M. J. Breitschafter, and E. Umbach
        Information from vibration-resolved uv photoemission spectra of physisorbates
        Vacuum 41, 431-32 (1990). DOI: 10.1016/0042-207X(90)90380-H
      • 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). DOI: 10.1063/1.459560
      • 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). DOI: 10.1103/PhysRevLett.64.3050

  • 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). DOI: 10.1103/PhysRevB.40.7924
      • 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). DOI: 10.1103/PhysRevB.40.1130
      • 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). DOI: 10.1103/PhysRevB.39.3720
      • U. Höfer, A. Puschmann, D. Coulman, and E. Umbach
        Adsorption of molecular oxygen on Si(111)
        Surf. Sci. 211/212, 948-58 (1989). DOI: 10.1016/0039-6028(89)90861-3

  • 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). DOI: 10.1103/PhysRevLett.55.2979