Publications of Hans-Joachim Freund

Jäger, R.M., J. Libuda, M. Bäumer, K. Homann, H. Kuhlenbeck and H.-J. Freund: Vibrational structure of excited states of molecules on oxide surfaces. Journal of Electron Spectroscopy and Related Phenomena 64-65, 217–225 (1993).

Cappus, D., C. Xu, D. Ehrlich, B. Dillmann, C.A. Ventrice, K. Al Shamery, H. Kuhlenbeck and H.-J. Freund: Hydroxyl groups on oxide surfaces: NiO(100), NiO(111) and Cr₂O₃(111). Chemical Physics 177 (2), 533–546 (1993).

Beckendorf, M., U.J. Katter, H. Schlienz and H.-J. Freund: UHV-ESR investigation of NO₂/Au(111). Journal of Physics: Condensed Matter 5 (31), 5471–5480 (1993).

Freitag, A., V. Staemmler, D. Cappus, C.A. Ventrice, K. Al Shamery, H. Kuhlenbeck and H.-J. Freund: Electronic surface state of NiO (100). Chemical Physics Letters 210 (1-3), 10–14 (1993).

Freund, H.-J., B. Dillmann, D. Ehrlich, M. Haßel, R.M. Jaeger, H. Kuhlenbeck, C.A. Ventrice, F. Winkelmann, S. Wohlrab, C. Xu, T. Bertrams, A. Brodde and H. Neddermeyer: Adsorption and reaction of molecules on surfaces of metal-metal oxide systems. Journal of Molecular Catalysis 82 (2-3), 143–169 (1993).

Jung, M., U. Baston, G. Schnitzler, M. Kaiser, J. Papst, T. Porwol, H.-J. Freund and E. Umbach: The electronic structure of adsorbed aromatic molecules: Perylene and PTCDA on Si(111) and Ag(111). Journal of Molecular Structure 239, 239–244 (1993).

Katter, U.J., H. Schlienz, M. Beckendorf and H.-J. Freund: Electron Spin-Resonance (ESR) Studies of Adsorbate Dynamics on Single Crystal Surfaces: Possibilities and Limitations. Berichte der Bunsengesellschaft für physikalische Chemie 97 (3), 340–352 (1993).

Jaeger, R.M., K. Homann, H. Kuhlenbeck and H.-J. Freund: Lifetimes of electronically excited states of molecules on oxide versus metal surfaces. Chemical Physics Letters 203 (1), 41–45 (1993).

Ventrice, Jr., C.A., D. Ehrlich, E.L. Garfunkel, B. Dillmann, D. Heskett and H.-J. Freund: Metallic-to-nonmetallic transition of Na coadsorbed with CO₂ and H₂O on the Cr₂O₃(111)/Cr(110) surface. Physical Review B 46 (19), 12892–12895 (1992).

Uhlenbrock, S., C. Scharfschwerdt, M. Neumann, G. Illing and H.-J. Freund: The influence of defects on the Ni 2p and O 1s XPS of NiO. Journal of Physics: Condensed Matter 4 (40), 7973–7978 (1992).

Bäumer, M., D. Cappus, G. Illing, H. Kuhlenbeck and H.-J. Freund: Influence of the defects of a thin NiO(100) film on the adsorption of NO. Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films 10 (4), 2407–2411 (1992).

Mull, T., B. Baumeister, M. Menges, H.-J. Freund, D. Weide, C. Fischer and P. Andresen: Bimodal velocity distributions after ultraviolet-laser-induced desorption of NO from oxide surfaces. Experiments and results of model calculations. The Journal of Chemical Physics 96 (6), 7108–7116 (1992).

Kuhlenbeck, H., C. Xu, B. Dillmann, M. Haßel, B. Adam, D. Ehrlich, S. Wohlrab, H.-J. Freund, U.A. Ditzinger, H. Neddermeyer, M. Neumann and M. Neuber: Adsorption and Reaction on Oxide Surfaces: CO and CO₂ on Cr₂O₃(111). Berichte der Bunsen-Gesellschaft 96 (1), 15–27 (1992).

Porwol, T., G. Dömötör, H.-J. Freund, R. Dudde, C.M. Lingener and W. von Niessen: Autoionization Versus Photoionization and Auger Decay of Physisorbed Molecular Adsorbates: Condensed Benzene on Cu (110). Physica Scripta 1992 (T41), 197–207 (1992).

Xu, C., B. Dillmann, H. Kuhlenbeck and H.-J. Freund: Unusual State of Adsorbed CO: CO(√3x√3)R30°/Cr₂0₃(111). Physical Review Letters 67 (25), 3551–3554 (1991).

Jaeger, R.M., H. Kuhlenbeck, H.-J. Freund, M. Wuttig, W. Hoffmann, R. Franchy and H. Ibach: Formation of a well-ordered aluminium oxide overlayer by oxidation of NiAl(110). Surface Science 259 (3), 235–252 (1991).

Xu, C., M. Hassel, H. Kuhlenbeck and H.-J. Freund: Adsorption and reaction on oxide surfaces: NO, NO₂ on Cr₂O₃(111)/Cr(110). Surface Science 258 (1-3), 23–34 (1991).

Wambach, J., G. Illing and H.-J. Freund: CO₂ activation and reaction with hydrogen on Ni(110): formate formation. Chemical Physics Letters 184 (1-3), 239–244 (1991).

Bäumer, M., D. Cappus, H. Kuhlenbeck, H.-J. Freund, G. Wilhelmi, A. Brodde and H. Neddermeyer: The structure of thin NiO(100) films grown on Ni(100) as determined by low-energy-electron diffraction and scanning tunneling microscopy. Surface Science 253 (1-3), 116–128 (1991).

Kuhlenbeck, H., G. Odörfer, R. Jaeger, G. Illing, M. Menges, T. Mull, H.-J. Freund, M. Pöhlchen, V. Staemmler, S. Witzel, C. Scharfschwerdt, K. Wennemann, T. Liedtke and M. Neumann: Molecular adsorption on oxide surfaces: Electronic structure and orientation of NO on NiO(100)/Ni(100) and on NiO(100) as determined from electron spectroscopies and ab initio cluster calculations. Physical Review B 43 (3), 1969–1987 (1991).