Maximilian Schaal
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View article: When Aromaticity Falls Short in Molecule–Surface Interactions
When Aromaticity Falls Short in Molecule–Surface Interactions Open
Aromaticity is one of the most important concepts in organic chemistry. There are cases in which a molecule undergoes changes to increase its aromaticity. This higher aromaticity comes with an energetic gain and is commonly referred to as …
View article: Atomic Structure and Electronic Properties of Janus SeMoS Monolayers on Au(111)
Atomic Structure and Electronic Properties of Janus SeMoS Monolayers on Au(111) Open
Janus SeMoS monolayers (MLs) are synthetic 2D materials with unique electronic properties, as theory predicts, but their experimental exploration has been hindered by the low quality of the samples. Here we report a synthesis of high-quali…
View article: Enantiospecific mirror-imaged growth in overlayers of enantiopure thiadiazole-[9]helicene on Au(111) without commensurability
Enantiospecific mirror-imaged growth in overlayers of enantiopure thiadiazole-[9]helicene on Au(111) without commensurability Open
Two-dimensional (2D) crystallization of chiral molecules on achiral crystal surfaces typically exhibits mirror-imaged growth, defined by the substrate’s mirror plane and the lattices of each enantiomer. While various commensurate molecular…
View article: Triggered integer charge transfer: energy-level alignment at an organic-2D material interface
Triggered integer charge transfer: energy-level alignment at an organic-2D material interface Open
Weakly interacting systems such as organic molecules on monolayers of hexagonal boron nitride (h-BN) offer the possibility of single integer charge transfer leading to the formation of organic ions.
View article: Lifshitz Transition and Band Structure Evolution in Alkali Metal Intercalated 1Tprime-MoTe2
Lifshitz Transition and Band Structure Evolution in Alkali Metal Intercalated 1Tprime-MoTe2 Open
In van der Waals materials, coupling between adjacent layers is weak, and consequently interlayer interactions are weakly screened. This opens the possibility to profoundly modify the electronic structure, e.g., by applying electric fields…
View article: Structural and electronic properties of MoS<sub>2</sub> and MoSe<sub>2</sub> monolayers grown by chemical vapor deposition on Au(111)
Structural and electronic properties of MoS<sub>2</sub> and MoSe<sub>2</sub> monolayers grown by chemical vapor deposition on Au(111) Open
We presents ambient pressure chemical vapor deposition growth of MoS 2 and MoSe 2 monolayers on Au(111) and their characterization down to the nanoscale, including their structure and interaction with the substrate, by surface sensitive te…
View article: Early oxidation stages of austenitic stainless steel monitored using Mn as tracer
Early oxidation stages of austenitic stainless steel monitored using Mn as tracer Open
View article: Nanodiamonds as Charge Extraction Layer in Organic Solar Cells: The Impact of the Nanodiamond Surface Chemistry
Nanodiamonds as Charge Extraction Layer in Organic Solar Cells: The Impact of the Nanodiamond Surface Chemistry Open
Diamond nanoparticles so‐called nanodiamonds (NDs) have recently experienced raising scientific interest due to interesting optical and electronic properties, nontoxicity, biocompatibility, and large surface area. Another significant featu…
View article: Absolute energy levels in nanodiamonds of different origins and surface chemistries
Absolute energy levels in nanodiamonds of different origins and surface chemistries Open
Structure–optoelectronic property relationships experimentally derived for nanodiamonds (NDs) of different origins and surface terminations (oxidized -O and hydrogenated -H).
View article: Cation speciation, compactness, and structure‐property correlations in manganese aluminosilicate glasses
Cation speciation, compactness, and structure‐property correlations in manganese aluminosilicate glasses Open
We report on the elastic properties of x MnO‐Al 2 O 3 ‐(6‐ x )SiO 2 manganese aluminosilicate glasses, in which pronounced exchange coupling and antiferromagnetic interaction occurs among the paramagnetic Mn 2+ ions. X‐ray absorption revea…
View article: Tuning carrier density and phase transitions in oxide semiconductors using focused ion beams
Tuning carrier density and phase transitions in oxide semiconductors using focused ion beams Open
We demonstrate spatial modification of the optical properties of thin-film metal oxides, zinc oxide (ZnO) and vanadium dioxide (VO 2 ) as representatives, using a commercial focused ion beam (FIB) system. Using a Ga + FIB and thermal annea…
View article: Tuning carrier density and phase transitions in oxide semiconductors using focused ion beams
Tuning carrier density and phase transitions in oxide semiconductors using focused ion beams Open
We demonstrate spatial modification of the optical properties of thin-film metal oxides, zinc oxide and vanadium dioxide as representatives, using a commercial focused ion beam (FIB) system. Using a Ga+ FIB and thermal annealing, we demons…
View article: An alternative route towards the fabrication of 2D blue phosphorene
An alternative route towards the fabrication of 2D blue phosphorene Open
Blue phosphorene (BlueP) is a novel two-dimensional material that shares properties with black phosphorene and is potentially even more interesting for opto-electronic applications because of its layer dependent wide band gap of ≈ 2 to 3 e…
View article: Hybridization vs decoupling: influence of an h-BN interlayer on the physical properties of a lander-type molecule on Ni(111)
Hybridization vs decoupling: influence of an h-BN interlayer on the physical properties of a lander-type molecule on Ni(111) Open
2D materials such as hexagonal boron nitride (h-BN) are widely used to decouple organic molecules from metal substrates. Nevertheless, there are also indications in the literature for a significant hybridization, which results in a perturb…