Publications of Hans-Joachim Freund

Freund, H.-J. and M. Neumann: Photoemission of Molecular Adsorbates. Applied Physics A 47 (1), 3–23 (1988).

Heskett, D., K.-H. Frank, K. Horn, E.E. Koch, H.-J. Freund, A. Baddorf, K.-D. Tsuei and E.W. Plummer: Correlation between electron loss and inverse photoemission measurements of alkali metals on metal surfaces. Physical Review B 37 (17), 10387–10390 (1988).

Illing, G., D. Heskett, E.W. Plummer, H.-J. Freund, J.S. Somers, T. Lindner, A.M. Bradshaw, U. Buskotte, M. Neumann, U. Starke, K. Heinz, P.L. DeAndres, D. Saldin and J.B. Pendry: Adsorption and reaction of CO2 on Ni{110}: X-ray photoemission, near-edge X-ray absorption fine-structure and diffuse leed studies. Surface Science 206 (1-2), 1–19 (1988).

Odörfer, G., E.W. Plummer, H.-J. Freund, H. Kuhlenbeck and M. Neumann: On the electronic structure of the coadsorbate system CO + O (2×1)/Pd(111): A precursor for CO₂ formation. Surface Science 198 (3), 331–359 (1988).

Bartos, B., H.-J. Freund, H. Kuhlenbeck, M. Neumann, H. Lindner and K. Müller: Adsorption and reaction of CO₂ and CO₂/O CO-adsorption on Ni(110): Angle resolved photoemission (ARUPS) and electron energy loss (HREELS) studies. Surface Science 179 (1), 59–89 (1987).

Behner, H., W. Spiess, G. Wedler, D. Borgmann and H.-J. Freund: Electron energy loss study of the electronically excited states of adsorbed CO₂: Case study CO₂/Fe. Surface Science 184 (3), 335–344 (1987).

Freund, H.-J., B. Bartos, R.P. Messmer, H. Grunze, H. Kuhlenbeck and M. Neumann: The adsorption of N₂ on Fe(111): Angle resolved photoemission and theoretical model studies. Surface Science 185 (1-2), 187–202 (1987).

Freund, H.-J., H. Behner, B. Bartos, G. Wedler, H. Kuhlenbeck and M. Neumann: CO₂ adsorption and reaction on Fe(111): An angle resolved photoemission (ARUPS) study. Surface Science 180 (2-3), 550–564 (1987).

Freund, H.-J., H. Kossmann and V. Schmidt: Photoionization of inner valence electrons in gaseous NO: a synchrotron radiation study. Chemical Physics Letters 137 (5), 425–430 (1987).

Freund, H.-J. and C.M. Llegener: Autoionization of CO after C 1s→ Zπ* excitation: a comparison with photoemission and auger decay. Chemical Physics Letters 134 (1), 70–75 (1987).

Heskett, D., K.-H. Frank, E.E. Koch and H.-J. Freund: Unoccupied electron band structure of Na overlayers on Al(111). Physical Review B 36 (2), 1276–1279 (1987).

Kuhlenbeck, H., H.B. Saalfeld, M. Neumann, H.-J. Freund and E.W. Plummer: A Direct Observation of the Two-Dimensional π-d Bands for Adsorbed CO. Applied Physics A 44 (1), 83–86 (1987).

Vennemann, B., R. Marx and H.-J. Freund: Optical spectra of two-dimensional butadiene iron tricarbonyl in the adsorbed state. Physical Review B 35 (8), 4060–4066 (1987).

Bigelow, R.W. and H.-J. Freund: An MNDO and CNDO / S(S + DES CI) study on the structural and electronic properties of a model squaraine dye and related cyanine. Chemical Physics 107 (2-3), 159–174 (1986).

Fink, J., B. Scheerer, W. Wernet, M. Monkenbusch, G. Wegner, H.-J. Freund and H. Gonska: Electronic structure of pyrrole-based conducting polymers: An electron-energy-loss-spectroscopy study. Physical Review B 34 (2), 1101–1115 (1986).

Freund, H.-J., H. Kossmann and V. Schmidt: Photoionization of inner valence electrons of CO₂ in the gas phase: a synchrotron radiation study using photon energies between 40 AND 100 eV. Chemical Physics Letters 123 (6), 463–470 (1986).

Freund, H.-J., R.P. Messmer, W. Spiess, H. Behner, G. Wedler and C.M. Kao: Interpretation of electronic excitations in coordinated CO systems as observed by electron-energy-loss spectroscopy. Physical Review B 33 (8), 5228–5240 (1986).

Freund, H.-J., J. Rogozik, V. Dose and M. Neumann: Bremsstrahlung isochromat spectroscopic study of the system CO/Ni(110): Strong intermolecular interaction. Surface Science 175 (3), 651–658 (1986).

Messmer, R.P., P.A. Schultz, R.C. Tatar and H.-J. Freund: Theoretical evidence for "bent bonds" in the CO₂ molecule. Chemical Physics Letters 126 (2), 176–180 (1986).

Schmeißer, D., I.W. Lyo, F. Greuter, E.W. Plummer, H.-J. Freund and M. Seel: Photoemission from Ordered Physisorbed Molecular Phases N₂/Graphite, N₂ and CO/Ag(lll). Berichte der Bunsen-Gesellschaft 90 (3), 228–231 (1986).