Publications of Hans-Joachim Freund

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).

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., 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).

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).

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).

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).

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).

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).

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).

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).

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).

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).

Slaughter, A.R., M.S. Banna, R.W. Bigelow, H. Pulm and H.-J. Freund: Vapor Phase X-Ray Core-Photoelectron Spectra of N,N-Dimethyl-p-nitrosoaniline. An Experimental and Theoretical Study. Journal of the American Chemical Society 108 (8), 1891–1805 (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).

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).

Pulm, H., C.-M. Liegener and H.-J. Freund: Auger electron spectroscopic study of the CN anion: A study of the NaCN(001) surface in comparison with CO and N₂. Chemical Physics Letters 119 (4), 344–350 (1985).

Seel, M. and H.-J. Freund: Ab initio bandstructure of a layer of nitrogen molecules oriented in a herringbone structure. Solid State Communications 55 (10), 895–898 (1985).

Plummer, E.W., C.T. Chen, W.K. Ford, W. Eberhardt, R.P. Messmer and H.-J. Freund: A comparison of surface electron spectroscopies. Surface Science 158 (1-3), 58–83 (1985).

Bicker, R., H. Deger, W. Herzog, K. Rieser, H. Pulm, G. Hohlneicher and H.-J. Freund: X-Ray Photoelectron Spectroscopy Study of Silica-Alumina Catalysts Used for a New Pyridine Synthesis. Journal of Catalysis 94 (1), 69–78 (1985).