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Research Interests:
Vibrational dynamics of adsorbates at surfaces. Sum frequency generation (SFG)
spectroscopy. |
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Research Interests:
Analysis of surfaces, interfaces and organic molecules with atomic resolution using scanning probe techniques; charge transport on the atomic scale;
growth, structural and electronic properties of surfaces and interfaces; ballistic and electric charge transport through nanostructures and organic molecules; STM induced electroluminescense of metallic surfaces and organic molecules. |
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In the focus of our research are microscopic interaction mechanisms of charge, vibration, and magnetic degrees of freedom in condensed matter. We aim at an understanding of energy transfer between these subsystems and energy transport along spatial coordinates and focus on low dimensions and nanostructures.
- Ultrafast electron dynamics in low dimensional systems
- Hot electron mediated chemical processes
- Magnetization dynamics at surfaces and interfaces
- Non-equilibrium dynamics of correlated electron materials
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Reactions with excited electrons at metal/liquid boundary
surfaces. Ionic and electronic transport processes in metal/insulator/metal
systems. Electronic characteristics of adsorbate-covered metal
surfaces. |
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Computersimulationen zur Teilchen-Oberflächen-Wechselwirkung (Computer Simulation of Ion-Solid Interactions) |
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The dynamics of elementary chemical processes between the
gas phase and the solid state surface. Photochemistry in adsorbate
layers. The nanostructuring of surfaces with photochemical
methods. |
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The epitaxy of thin semiconductor and metal layers on silicon
surfaces. The manipulation of surface morphology and growth
mode by adsorbates (surfactants). The surface reconstruction
and adsorbate position. The organization of metallic nanostructures
on silicon. |
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Research Interests:
Computational Materials Physics, prediction of materials properties
and processes, electronic structure and morphology of surfaces,
in particular semiconductor surfaces.
Elementary processes on surfaces: adsorption, diffusion, and
nucleation, epitaxy of heterostructures.
Development of methods and theories for treating quantum many-particle
systems. |
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Research Interests:
The organization of metallic nanostructures on silicon. The
epitaxy of organic semiconductors on silicon and insulator
surfaces. Techniques: high-resolution electron diffraction
(SPA-LEED), low energy electron microscopy (LEEM) photoemission
microscopy (PEEM). |
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Research Interests:
Locally resolved investigations of the atomic structure of
metal and semiconductor surfaces, the analysis of the electronic
structure of reconstructed surfaces, binary metal surfaces,
etc. by means of the thermovoltage in raster tunnel microscopy.
The analysis of the adsorption of organic molecules on inorganic
surfaces regarding binding energy and geometrical arrangement,
the organization of molecules, and the interaction between
adsorbed molecules. |
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Research Interests:
The proof and investigation of electronic stimulations with
chemical reactions on metal surfaces. Metal-semiconductor
interfaces. The chemical, electronic, and photonic spectroscopy
of nanoparticles. The structural, electronic, and dynamic
characteristics of pure and modified semiconductor surfaces
(AIGaN, SiC, III-V, Si). |
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Research Interests:
Structural and electronic properties of metal and semiconductor
surfaces. Low-dimensional magnetic structures. Interaction
of ions with surfaces. |
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Research Interests:
The interaction of high intensive laser impulses with solid
state surfaces. Ultra short time spectroscopy in X-ray areas.
Ultrafast phase transitions in laser-illuminated solid states.
Ablation with ultra short laser impulses. |
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Research Interests:
Nonequilibrium effects at interfaces (surfaces, grain boundaries,
particle contacts) especially aggregation, sintering and friction.
Dynamics of granular media (cohesive as well as non-cohesive).
Electrical transport in nano-powders. |
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Basic studies in particle surface interactions, especially
the investigation of ion-bombardment-induced effects on surfaces.
Ion-bombardment-induced particle emission (sputtering) of
solid state surfaces, particularly the formation of sputtered
complex molecules and clusters. Surfaces and layer analytics
with the help of mass spectrometry methods, particularly sputtered
mass spectrometry (SNMS) with the help of laser supported
postionizations methods. |
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Research Interests:
Ultrafast dynamics induced by intensive laser pulse. Physics
of ultra short infrared,
XUV, X-ray and electron pulses and their applications in
time resolved spectroscopy.
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Kindernotfall- betreuung Physik
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