activity
20082026
most citedApproaching ideal graphene: The structure of hydrogen-intercalated graphene on 6H-SiC(0001)

88 citations · 305 across the 18 of their papers we have counts for

collaborators

18 papers

cond-mat.mtrl-sci2026

Tracing the film structure of an organic semiconductor with photoemission orbital tomography

Monja Stettner, Siegfried Kaidisch, Andrey V. Matetskiy +7

Photoemission orbital tomography (POT) is a powerful tool for investigating the orbitals and electronic band structure of oriented layers of organic molecules. In many cases, POT a…

cond-mat.mtrl-sci2025

Observing the spatial and temporal evolution of exciton wave functions

Marcel Theilen, Siegfried Kaidisch, Monja Stettner +12

Excitons, the correlated electron-hole pairs governing optical and transport properties in organic semiconductors, have long resisted direct experimental access to their full quant…

physics.chem-ph2025

Multi-Orbital Charge Transfer into Nonplanar Cycloarenes Revealed with CO-Functionalized Tips

Anja Haags, Alexander Reichmann, Zilin Ruan +20

On-surface synthesis has allowed for the tuneable preparation of numerous molecular systems with variable properties. Recently, we demonstrated the highly selective synthesis of ke…

cond-mat.mtrl-sci2025

Circular dichroism in the photoelectron angular distribution of achiral molecules

Christian S. Kern, Xiaosheng Yang, Giovanni Zamborlini +9

Circular dichroism in the angular distribution (CDAD) is the effect that the angular intensity distribution of photoemitted electrons depends on the handedness of the incident circ…

cond-mat.mes-hall2025

Solving the Phase Problem of Diffraction: X-ray Standing Waves Imaging on Bismuthene/SiC(0001)

Niclas Tilgner, Susanne Wolff, Serguei Soubatch +6

The phase retrieval problem is a fundamental shortcoming of all diffraction-based methods, arising from the inability to measure the phase of scattered waves. The (normal incidence…

cond-mat.mes-hall2025★ 8 cited

Reversible Switching of the Environment-Protected Quantum Spin Hall Insulator Bismuthene at the Graphene/SiC Interface

Niclas Tilgner, Susanne Wolff, Serguei Soubatch +8

Quantum Spin Hall Insulators (QSHI) have been extensively studied both theoretically and experimentally because they exhibit robust helical edge states driven by spin-orbit couplin…

physics.chem-ph2025

Tomographic identification of all molecular orbitals in a wide binding energy range

Anja Haags, Dominik Brandstetter, Xiaosheng Yang +11

In the past decade, photoemission orbital tomography (POT) has evolved into a powerful tool to investigate the electronic structure of organic molecules adsorbed on surfaces. Here…

cond-mat.mtrl-sci2022

Benchmarking theoretical electronic structure methods with photoemission orbital tomography

Anja Haags, Xiaosheng Yang, Larissa Egger +10

In the past decade, photoemission orbital tomography (POT) has evolved into a powerful tool to investigate the electronic structure of organic molecules adsorbed on (metallic) surf…

cond-mat.mtrl-sci2022★ 6 cited

Boron nitride on SiC(0001)

You-Ron Lin, Markus Franke, Shayan Parhizkar +8

In the field of van der Waals heterostructures, the twist angle between stacked two-dimensional (2D) layers has been identified to be of utmost importance for the properties of the…

cond-mat.mtrl-sci2021★ 14 cited

Vertical structure of Sb-intercalated quasifreestanding graphene on SiC(0001)

You-Ron Lin, Susanne Wolff, Philip Schädlich +7

Using the normal incidence x-ray standing wave technique as well as low energy electron microscopy we have investigated the structure of quasi-freestanding monolayer graphene (QFML…

physics.chem-ph2021

Momentum-space imaging of σ-orbitals for chemical analysis

Anja Haags, Xiaosheng Yang, Larissa Egger +11

Tracing the modifications of molecules in surface chemical reactions benefits from the possibility to image their orbitals. While delocalized frontier orbitals with π-character are…

cond-mat.supr-con2021★ 10 cited

The Vertical Position of Sr Dopants in the SrBiSe Superconductor

You-Ron Lin, Mahasweta Bagchi, Serguei Soubatch +6

The discovery of topological superconductivity in doped BiSe made this class of materials highly important for the field of condensed matter physics. However, the structura…

physics.chem-ph2020★ 67 cited

Tracing orbital images on ultrafast time scales

Robert Wallauer, Miriam Raths, Klaus Stallberg +10

Frontier orbitals, i.e., the highest occupied and lowest unoccupied orbitals of a molecule, generally determine molecular properties, such as chemical bonding and reactivities. Con…

cond-mat.mtrl-sci2018★ 17 cited

Surfactant-Mediated Epitaxial Growth of Single-Layer Graphene in an Unconventional Orientation on SiC

F. C. Bocquet, Y. -R. Lin, M. Franke +6

We report the use of a surfactant molecule during the epitaxy of graphene on SiC(0001) that leads to the growth in an unconventional orientation, namely rotation with re…

physics.ins-det2016★ 26 cited

Electron energy loss spectroscopy with parallel readout of energy and momentum

Harald Ibach, François C. Bocquet, Jessica Sforzini +2

We introduce a high energy resolution electron source that matches the requirements for parallel readout of energy and momentum of modern hemispherical electron energy analyzers. T…

cond-mat.mtrl-sci2014★ 88 cited

Approaching ideal graphene: The structure of hydrogen-intercalated graphene on 6H-SiC(0001)

J. Sforzini, L. Nemec, T. Denig +9

We measure the adsorption height of hydrogen-intercalated quasi-free-standing monolayer graphene on the (0001) face of 6H silicon carbide by the normal incidence x-ray standing wav…

cond-mat.mtrl-sci2014★ 46 cited

Quantification of finite-temperature effects on adsorption geometries of -conjugated molecules

G. Mercurio, R. J. Maurer, W. Liu +8

The adsorption structure of the molecular switch azobenzene on Ag(111) is investigated by a combination of normal incidence x-ray standing waves and dispersion-corrected density fu…

cond-mat.mes-hall2008★ 23 cited

Quantum transport through STM-lifted single PTCDA molecules

Florian Pump, Ruslan Temirov, Olga Neucheva +4

Using a scanning tunneling microscope we have measured the quantum conductance through a PTCDA molecule for different configurations of the tip-molecule-surface junction. A peculia…