Diese Seite enthält Veröffentlichungen aus der Arbeitsgruppe ab dem Jahr 1991. Durch Anklicken der Jahreszahlen können Sie direkt zu einem bestimmten Jahr springen.

1991

1992

1993

1994

1995

1996

Die Veröffentlichungen 1991

1. Nucleophilic Substitution Reactions in Molecular Clusters
   following Photoionization
   B. Brutschy, J. Eggert, C. Janes and H. Baumgärtel
   J. Phys. Chem. 95, 5041 (1991)

2. Photoionization Mass Spectrometry of Kinetic Energy-Selected
   Ions. An Ion Retarding Potential Difference Method Applied
   to NO⁺ and O⁺ from N₂O.
   R. Locht, G. Hagenow, K. Hottmann, H. Baumgärtel
   Chem. Phys. 151, 137 (1991)

3. Structural Aspects of Chemical Reactions in Molecular Clusters
   Studied with Resonant Two-Photon Ionization
   Ch. Riehn, J. Avdiew, J. Eggert, B. Wassermann, B. Brutschy,
   and H. Baumgärtel
   J. Mol. Struct. 249, 33 (1991)

4. Core Level Excitation in Argon Clusters
   E. Rühl, H.W. Jochims, C. Schmale, E. Biller,
   A.P. Hitchcock, and H. Baumgärtel
   Chem. Phys. Lett. 178, 558 (1991)

5. The specific adsorption of halides on mercury in non-aqueous
   acetonitrile
   H. Schirmer and H. Baumgärtel
   J. Electroanal. Chem. 316, 235 (1991)

6. Charge Separation in Core Excited Argon Clusters
   E. Rühl, C. Schmale, H.W. Jochims, E. Biller, M. Simon
   and H. Baumgärtel
   J. Chem. Phys. 95, 6544 (1991)

7. The photoionization of ammonia revisited.
   The vibrational autoionization of NH₃ and its three isotopomers
   in the 10-12 eV photon energy range
   R. Locht, B. Leyh, W. Denzer, G. Hagenow and H. Baumgärtel
   Chem. Phys. 155, 407 (1991)

8. Structural information pertaining to non-aqueous electrified
   interfaces : 2-D solvation of potassium with nitriles on the
   Au(100) surface
   T. Solomun, K. Christmann, A. Neumann and H. Baumgärtel
   J. Electroanal. Chem. 309, 355 (1991)

9. The Interaction of Nitriles with a Potassium-Promoted
   Gold(100) Surface
   T. Solomun, H. Baumgärtel, and K. Christmann
   J. Phys. Chem. 95,10041 (1991)

Zurück zum Anfang.

1. Double Core Vacancy States in X-Ray. Photoabsorption Spectra
   of Gasphase Sulfur Molecules
   S. Bodeur, C. Reynaud, K. Bisson, P. Millié, I. Nenner,
   U. Rockland, H. Baumgärtel
   in "Synchrotron Radiation and Dynamic Phenomena", ed. A.Beswick
   Am. Inst. of Physics, New York 1992, p.300-307

2. Core Level Excitations of Atomic and Molecular Clusters
   E. Rühl, C. Schmale, H.W. Jochims, E. Biller, R. Locht,
   A.P. Hitchcock and H. Baumgärtel
   in "Synchrotron Radiation and Dynamic Phenomena", ed. A.Beswick
   Am. Inst. of Physics, New York 1992, p.230-240

3. Core excited states in BF₂Cl and BFCl₂
   G. Hagenow, W. Denzer, H.-W. Jochims and H. Baumgärtel
   Chem. Phys. Lett. 195, 267 -272 (1992)

4. Photochemical Decay Reactions of N₂O₅, HNO₃, ClNO₃ and
   BrNO₃ in the Energy Range 10-20 eV.
   H.W. Jochims, W. Denzer and H. Baumgärtel, O. Lösking
   and H. Willner
   Ber. Bunsenges. Phys. Chem. 96, 573 (1992)

5. The Double Ionization Potentials of Argon Clusters
   E. Rühl, C. Schmale, H.C. Schmelz, and H. Baumgärtel
   Chem. Phys. Lett. 191, 430 (1992)

6. Polycyclic Aromatic Hydrocarbons (PAHs): Negative Ion Forma-
   tion following Low Energy (0-15eV) Electron Impact
   S. Tobita, M. Meinke, E. Illenberger, L.G. Christophorou,
   H. Baumgärtel, S. Leach
   Chem. Phys. 161, 501 (1992)

7. The Threshold Photoelectron Spectrum of NH₃
   R. Locht, K. Hottmann, G. Hagenow, W. Denzer, H. Baumgärtel
   Chem. Phys. Lett. 190, 124 (1992)

8. Photoionization mass spectrometry of kinetic energy-selected
   ions. The translational energy distribution of N⁺/N₂ in the
   inner-shell ionization energy range
   R. Locht, W. Denzer, E. Rühl and H. Baumgärtel
   Chem. Phys. 160, 477 (1992)

9. Electronic properties of the SF₅Cl molecule: a comparison
   with SF₆. I. Photoabsorption spectra near the sulphur K
   and chlorine K edges
   C. Reynaud, S. Bodeur, J.L. Maréchal, D. Bazin, P. Millié,
   I. Nenner, U. Rockland and H. Baumgärtel
   Chem. Phys. 166, 411 (1992)

10. The photofragmentation of naphthalene and azulene monocat-
    ions in the energy range 7-22 eV
    H. W. Jochims, H. Rasekh, E. Rühl, H. Baumgärtel, S. Leach
    Chem. Phys. 168, 159 (1992)

11. Core Level Excitation of Atomic and Molecular Clusters
    E. Rühl, C. Schmale, H. W. Jochims, E. Biller, R. Locht,
    A.P. Hitchcock, and H. Baumgärtel
    American Institute of Physics 1992, p. 230
    Conference Proceedings No. 258, Particles and Fields,
    Series 49 "Synchrotron Radiation and Dynamic Phenomena"

12. Proton Transfer in Mixed Molecular Clusters after Resonant
    Two Photon Ionization
    Ch. Riehn, Ch. Lahmann, B. Brutschy, and H. Baumgärtel
    Ber. Bunsenges. Phys. Chem. 96, 1164 (1992)

Zurück zum Anfang.

1. Inner-shell Spectroscopies of Solid and Gaseous Alkylidyne
   Tricobalt Nonacarbonyl Complexes
   A.P. Hitchcock and M.J. McGlinchey;
   A.L. Johnson, W.K. Walter, M. Perez Jigato and D.A. King; D. Norman;
   E. Rühl, C. Heinzel and H. Baumgärtel,
   J. Chem. Soc. Faraday Trans. 89, 3331 (1993)

2. Photoabsorption and Photoionization of Chlorine Dioxide
   R. Flesch, E. Rühl, K. Hottmann and H. Baumgärtel
   J. Phys. Chem. 97, 837 (1993)

3. Deuterium Isotope Effects in the Photofragmentation of
   Naphthalene Monocations
   H. W. Jochims, H. Rasekh, E. Rühl, H. Baumgärtel, S. Leach
   J. Phys. Chem. 97/7, 1312 (1993)

4. The Determination of the Transition State Structure from
   the J-dependence of the Dissociation Energy E₀(J):
   The Methane and Ethane Ion Dissociation.
   K. M. Weitzel, J. Mähnert, H. Baumgärtel
   Ber. Bunsenges. Phys. Chem. 97, 134 (1993)

5. Ar 2p Spectroscopy of Free Argon Clusters
   E. Rühl, C. Heinzel, A. P. Hitchcock and H. Baumgärtel
   J. Chem. Phys. 98, 2653 (1993)

6. Ar 2p and Ar 1s Spectroscopy of Free Argon Clusters
   E. Rühl, C. Heinzel, H. Baumgärtel, W. Drube and A. P. Hitchcock
   Jap. J. Appl. Phys. 32, Suppl. 32-2, 791 (1993)

7. Ionic Fragmentation of Carbon 1s Excited Metallocenes
   E. Rühl, C. Heinzel, H. Baumgärtel and A. P. Hitchcock
   Chem. Phys. 169, 243 (1993)

8. Valence Ionization Processes in the VUV Region
   J. Berkowitz, E. Rühl and H. Baumgärtel
   Elsevier Sc. Publ. Comp. B.V., Amsterdam 1993

9. On the Stability and on the Formation of Two-Dimensional
   Condensed Equilibrium Films in an Aprotic
   and in Aqueous Solution
   Part I: The Thermodynamics of Condensed 2-Thiohydantoin at
   the Mercury Interface in Nonaqueous Acetonitrile, Tetraethyl-
   ammoniumperchlorate
   M. Schrettenbrunner, P. Chaiyasith and H. Baumgärtel, U. Retter
   Ber. Bunsenges. Phys. Chem. 97, 843-847 (1993)

10. On the Stability and on the Formation of Two-Dimensional
    Condensed Equilibrium Films in an Aprotic
    and in Aqueous Solution
    Part II: The Dynamics of 2D Adsorbate Centers Formation of
    2-Thiohydantoin in the Adsorption of 2-Thiohydantoin at the
    Interface Mercury/Nonaqueous Acetonitrile/Tetraethylammo-
    niumperchlorate
    M. Schrettenbrunner, P. Chaiyasith and H. Baumgärtel, U. Retter
    Ber. Bunsenges. Phys. Chem. 97, 847-860 (1993)

11. Solvent effects on the two-dimensional condensation of 2-thiouracil
    Th. Wandlowski, P. Chaiyasith and H. Baumgärtel
    J. Electroanal. Chem. 346, 271 (1993)

12. K-shell spectroscopy of Ar clusters
    E. Rühl, C. Heinzel, A.P. Hitchcock, H. Schmelz, C. Reynaud,
    H. Baumgärtel, W. Drube and R. Frahm
    J. Chem. Phys. 98, 6820 (1993)

13. Isolierte Cluster in der Gasphase
    H. Baumgärtel
    Nachr. Chem. Tech. Lab. 41, 1106-1108 (1993)

14. Photoenhanced dissociative electron attachment to SO₂
    T. Jaffke, R. Hashemi, L. G. Christophorou, E. Illenberger, H. Baumgärtel
    and L. A. Pinnaduwage
    Chem. Phys. Lett. 203, 21-27 (1993)

Zurück zum Anfang.

1. Size Effects on Dissociation Rates of Polycyclic Aromatic
   Hydrocarbon Cations: Laboratory Studies and Astrophysical Implications
   H. W. Jochims, E. Rühl, H. Baumgärtel, S. Tobita and S. Leach
   The Astrophysical Journal, 420, 307-317 (1994)

2. Single- and Double-Ionization Potentials of Polycyclic Aromatic
   Hydrocarbons and Fullerenes by Photon and Electron Impact
   S. Tobita, S. Leach, H. W. Jochims, E. Rühl, E. Illenberger
   and H. Baumgärtel
   Canadian Journal of Physics, 72, 1060-69 (1994)

3. On the Role of Dissociative Ionization in the Formation of Argon Dimer Ions
   K.-M. Weitzel, M. Penno, J. Mähnert and H. Baumgärtel
   Z. Phys. D, 29, 195-201 (1994)

4. Fragmentation of doubly charged argon clusters
   E. Rühl, C. Heinzel, H. Baumgärtel, M. Lavollée and P. Morin
   Z. Phys. D, 31, 245-251 (1994)

5. On the Stability and on the Formation of Two-Dimensional Condensed Equilibrium Adsorbate Films in an Aprotic and in Aqueous Solution.
   Part III: Inversion from Irreversible to Reversible Phase Transition of
   Adsorbed 2-Thiohydantoin at the Interface Mercury/Water, Sodiumfluorid
   due to Coadsorbed Polyethylenglycol
   M.B. Schrettenbrunner, P. Chaiyasith, H. Baumgärtel, and U. Retter
   Ber. Bunsenges. Phys. Chem. 98, 1501-1509 (1994)

6. Synchrotronstrahlung in der Chemie
   Helmut Baumgärtel
   Chem. unserer Zeit, 28, 6-18 (1994)

7. Core Level Excitation in Free Clusters: Nexafs, Exafs and
   Coulomb Explosion
   J. Geiger, S. Rabe, C. Heinzel, H. Baumgärtel and E. Rühl
   in "Linking the Gaseous and Condensed Phases of Matter", 217-222,
   ed. L.G. Christophorou et al., Plenum Press, New York, 1994

8. Effects of Molecular Size on the Dissociation Rates of PAH Cations
   H.W. Jochims, E. Rühl, H. Baumgärtel, S. Tobita, and S. Leach
   Conference Proceedings No. 312, "Molecules and Grains in Space"
   659-665, Ed. Irène Nenner; American Institute of Physics, 1994

Zurück zum Anfang.

1. Investigation of the ArN₂⁺ Ion by Dissociative Ionization of Argon/Nitrogen Clusters
   J. Mähnert, H. Baumgärtel and K.-M. Weitzel
   J. Chem. Phys. 102, 180-188, (1995)

2. EXAFS at the Kr(2p) edge in the gas phase, clusters, and the solid
   H. C. Schmelz, M. A. Gaveau, C. Reynaud, C. Heinzel, H. Baumgärtel
   and E. Rühl
   Physica B, 208, 519-520 (1995)

3. Classification of growth behaviour for copper on various
   substrates with in-situ scanning probe microscopy
   R. J. Nichols, E. Bunge, H. Meyer and H. Baumgärtel
   Surface Science 335, 110-119 (1995)

4. Adsorption and Film Formation of Thymine on a Gold (100)
   Single Crystal Electrode
   B. Roelfs and H. Baumgärtel
   Ber. Bunsenges. Phys. Chem. 99, 677-681 (1995)

5. Ionic Fragmentation and Ion-Pair Formation in Chlorine Dioxide
   U. Rockland, H. Baumgärtel, E. Rühl, O. Lösking,
   H. S. P. Müller and H. Willner
   Ber. Bunsenges. Phys. Chem. 99, 969-975 (1995)

6. The Investigation of the (CO)2⁺ Ion by Dissociative Ionization
   of Argon/Carbon Monoxide Clusters
   J. Mähnert, H. Baumgärtel and K.-M. Weitzel
   J. Chem. Phys. 103, 7016-7024 (1995)

7. A Capacitance and Infrared Study of the Electrical Double Layer
   Structure at Single Crystal Gold Electrodes in Acetonitrile
   E. Panzram, H. Baumgärtel, B. Roelfs, C. Schröter and T. Solomun
   Ber. Bunsenges. Phys. Chem. 99, 827-837 (1995)

8. Statistical and non-statistical reactions in energy selected
   fluoromethane ions
   K.-M. Weitzel, F. Güthe, J. Mähnert, R. Locht and H. Baumgärtel
   Chem. Phys. 201, 287-298 (1995)

9. Vacuum UV fluorescence excitation spectroscopy of BCl₃:
   The electronic spectroscopy of BCl₂, BCl₂⁺ and BCl₃⁺
   H. Biehl, J.C. Creasy, D. M. Smith, R. P. Tuckett, K. R. Yoxall,
   H. Baumgärtel, H. W. Jochims, U. Rockland
   J. Chem. Soc. Farad. Trans. 91, 3073 (1995)

10. Structural Aspects of Tetramethylurea Adsorption on Au<111> Electrodes Investigated by in-situ scanning tunneling microscopy
    E. Bunge, R.J. Nichols, H. Baumgärtel, H. Meyer
    Ber. Bunsenges. Phys. Chem. 99, 1243-1246 (1995)

11. A Capacitance and Infrared Study of the Electrical Double Layer
    Structure at Single Crystal Gold Electrodes in Acetonitrile
    E. Panzram, H. Baumgärtel, B. Roelfs, C. Schröter, and T. Solomun

    Ber. Bunsenges. Phys. Chem. 99/6, 827-837 (1995)

Zurück zum Anfang.

1. Film formation considerung the time dependent concentration of
   noncondensed molecules
   C. Donner, L. Pohlmann, and H. Baumgärtel
   Surface Science 345, 363-372 (1996)

2. Nonfaradaic two-dimensional phase transition on smooth surfaces -
   an example for time-dependent homogeneous nucleation
   C. Donner, L. Pohlmann, U. Retter, R. Philipp and H. Baumgärtel
   Ber. Bunsenges. Phys. Chem. 100, 403-412 (1996)

3. The structure and dynamics of tetramethylthiourea adsorption on Au(111) studied by in situ scanning tunneling microscopy
   E. Bunge, R.J. Nichols, B. Roelfs, H. Meyer, and H. Baumgärtel
   Langmuir 12, 3060-3066 (1996)

4. Vacuum Ultraviolet Excitation Spectroscopy of BBr₃ in the range of 8-20 eV
   H. Biehl, D.M. Smith, R.P. Tuckett, K.R. Yoxall, H. Baumgärtel, H.W. Jochims, U. Rockland
   Mol. Phys. 87, 1199-1215 (1996)

5. Two-dimensional nucleation initiated by athermal clusters
   C. Donner, L. Pohlmann and H. Baumgärtel
   Ber. Bunsenges. Phys. Chem. 100/10, 1691-1699 (1996)

6. Homogeneous Ice Nucleation Observed in Single Levitated Micro Droplets
   B. Krämer, M. Schwell, O. Hübner, H. Vortisch, T. Leisner, E. Rühl, H. Baumgärtel and L. Wöste
   Ber. Bunsenges. Phys. Chem., 100/11, 1911-1914 (1996)

7. Photoionization Quantum Yields of Polycyclic Aromatic Hydrocarbons
   H.W. Jochims, H. Baumgärtel, S. Leach
   Astron. Astrophys. , 314, 1003-1009 (1996)

Zurück zum Anfang.