Publications

2016



Bastian C. Krüger, Sven Meyer, Alexander Kandratsenka, Alec M. Wodtke and Tim Schäfer, Vibrational Inelasticity of Highly Vibrationally Excited NO on Ag(111). J. Phys. Chem. Lett., 7, 441-446 (2016).

Daniel P. Engelhart, Roman J. V. Wagner, Artur Meling, Alec M. Wodtke and Tim Schäfer, Temperature programmed desorption of weakly bound adsorbates on Au(111). Surface Science., 650, 11-16 (2016).

Bastian C. Krüger, Nils Bartels, Alec M. Wodtke and Tim Schäfer, Final rotational state distributions from NO(vi = 11) in collisions with Au(111): the magnitude of vibrational energy transfer depends on orientation in molecule-surface collisions. Phys. Chem. Chem. Phys., DOI: 10.1039/c6cp02100j (2016).

G. Barratt Park, Bastian C. Krüger, Sven Meyer, Dirk Schwarzer and Tim Schäfer, The v6 fundamental frequency of the A state of formaldehyde and Coriolis perturbations in the 3v4 level. The Journal of Chemical Physics, 144, 194308 (2016).


2015



Bastian C. Krüger, Nils Bartels, Christof Bartels, Sascha Kandratsenka, John C. Tully, Alec M. Wodtke and Tim Schäfer, NO Vibrational Energy Transfer on a Metal Surface: Still a Challenge to First-Principles Theory. The Journal of Physical Chemistry C, 119, 3268?3272 (2015).

Daniel P. Engelhart, Roman J. V. Wagner, Peter C. Johnsen, Alec M. Wodtke and Tim Schäfer, Adsorbate enhancement of electron emission during the quenching of metastable CO at metal surfaces. Phys. Chem. Chem. Phys., 111, 11545 (2015).

Daniel P.Engelhart, Fabian Grätz, Roman J. V. Wagner, Henrik Haak, Gerard Meijer, Alec M. Wodtke and Tim Schäfer, A new Stark decelerator based surface scattering instrument for studying energy transfer at the gas-surface interface. Rev. Sci. Instrum., 86, 043306 (2015).



2014



Nils Bartels, Kai Golibrzuch, Christof Bartels, Li Chen, Daniel J. Auerbach, Alec M. Wodtke and Tim Schäfer, Dynamical steering in an electron transfer surface reaction: oriented NO(v = 3, 0.08 < Ei < 0.89 eV) relaxation in collisions with a Au(111) surface. The Journal of Chemical Physics, 140(5), 054710 (2014).

Fabian Grätz, Daniel P. Engelhart, Roman J. V. Wagner, Gerard Meijer, Alec M. Wodtke and Tim Schäfer, CO quenching at a metal surface: Evidence of an electron transfer mediated mechanism. The Journal of Chemical Physics, 141(4), 044712 (2014).

Nils Bartels, Bastian C. Krüger, Daniel J. Auerbach, Alec M. Wodtke and Tim Schäfer, Controlling an electron-transfer reaction at a metal surface by manipulating reactant motion and orientation. Angewandte Chemie (International Ed. in English), 53(50), 13690-4 (2014).



2013




Tim Schäfer, Nils Bartels, Kai Golibrzuch, Christof Bartels, Hansjochen Köckert, Daniel J. Auerbach, Theofanis N. Kitsopoulus and Alec M. Wodtke, Observation of direct vibrational excitation in gas-surface collisions of CO with Au(111): A new model system for surface dynamics, Phys. Chem. Chem. Phys., 15, 1863 (2013).

Nils Bartels, Bastian C. Krüger, Sven Meyer, Alec M. Wodtke, and Tim Schäfer, Suppression of Spontaneous Emission in the Optical Pumping of Molecules: Pump-Dump-Sweep-Probe, J. Phys. Chem. Lett. 2013, 4, 2370 (2013)

Fabian Grätz, Daniel P. Engelhart, Roman J.V. Wagner, Henrik Haak, G. Meijer, A.M. Wodtke and T. Schäfer, Surface scattering with velocity controlled molecular beams: The role of vibration in electron emission for CO* on Au(111), Physical Chemistry Chemical Physics, 5(36), 14951 (2013).

Nils Bartels, Kai Golibrzuch, Christof Bartels, Li Chen, Daniel J. Auerbach, Alec M. Wodtke and Tim Schäfer, Observation of orientation-dependent electron transfer in molecule-surface collisions. Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17738 (2013).



2012



Tim Schäfer, Nils Bartels, Nils Hocke, Xueming Yang, and Alec M. Wodtke, Orienting polar molecules without multipole lenses: Optical state selection with adiabatic orientation, Frontier Article, Chem. Phys. Lett., 535, 1 (2012).

Tim Schäfer, Sascha Kandratsenka, Peter Vöhringer, Joerg Schröder, and Dirk Schwarzer, Vibrational energy relaxation of the ND-stretching vibration of NH2D in liquid NH3, Phys. Chem. Chem. Phys., 14, 11651 (2012).

Nils Bartels, Tim Schäfer, Jens Hühnert, Robert W. Field, and Alec M. Wodtke, Production of a beam of highly vibrationally excited CO using perturbations, J. Chem. Phys. 136, 214201 (2012).


2011




Jerry LaRue, Tim Schäfer, Daniel Matsiev, Luis Velarde, N. Hendrik Nahler, Daniel J. Auerbach and Alec M. Wodtke, Vibrationally promoted electron emission at a metal surface: electron kinetic energy distributions, Phys. Chem. Chem. Phys., 13, 97-99 (2011).

Jerry LaRue, Tim Schäfer, Daniel Matsiev, Luis Velarde, N. Hendrik Nahler, Daniel J. Auerbach and Alec M. Wodtke, Electron Kinetic Energies from Vibrationally Promoted Surface Exoemission: Evidence for a Vibrational Autodetachment Mechanism, J. Phys. Chem. A, 115, 14306 (2011).


2009



Ch. Reichardt, T. Schäfer, J. Schroeder, P. Vöhringer and D. Schwarzer, Ultrafast photodecomposition of dibenzoyl peroxide studied by time-resolved infrared spectroscopy, in Ultrafast Phenomena XVI, P. Corkum, K. Nelson, E. Riedle, R. Schoenlein, S. DeSilvestri (eds.), Springer, Berlin, pp. 490-492 (2009).

J. Lindner, T. Schäfer, D. Schwarzer, and P. Vöhringer, Vibrational energy relaxation in liquid-to-supercritical ammonia studied by femtosecond mid-infrared spectroscopy, in Ultrafast Phenomena XVI, P. Corkum, K. Nelson, E. Riedle, R. Schoenlein, S. DeSilvestri (eds.), Springer, Berlin, pp. 466-468 (2009).

T. Schäfer, J. Lindner, P. Vöhringer, and D. Schwarzer, OD stretch vibrational relaxation of HOD in liquid to supercritical H2O, J. Chem. Phys. 130, 224502 (2009).



2008



T. Schäfer, D. Schwarzer, J. Lindner, and P. Vöhringer, ND-stretching vibrational energy relaxation of NH2D in liquid-to-supercritical ammonia studied by femtosecond mid-infrared spectroscopy, J. Chem. Phys. 128, 064502 (2008).