Search Results - "Wurstbauer, Ursula"
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Long-Lived Direct and Indirect Interlayer Excitons in van der Waals Heterostructures
Published in Nano letters (13-09-2017)“…We report the observation of a doublet structure in the low-temperature photoluminescence of interlayer excitons in heterostructures consisting of monolayer…”
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Disclosed: Quasiparticle properties and dynamics in real and momentum space
Published in Natural sciences (Weinheim) (01-06-2021)Get full text
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Tuning the Fröhlich exciton-phonon scattering in monolayer MoS2
Published in Nature communications (18-02-2019)“…Charge carriers in semiconducting transition metal dichalcogenides possess a valley degree of freedom that allows for optoelectronic applications based on the…”
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Photocatalytic Stability of Single- and Few-Layer MoS2
Published in ACS nano (24-11-2015)“…MoS2 crystals exhibit excellent catalytic properties and great potential for photocatalytic production of solar fuels such as hydrogen gas. In this regard, the…”
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Atomistic Positioning of Defects in Helium Ion Treated Single-Layer MoS2
Published in Nano letters (10-06-2020)“…Structuring materials with atomic precision is the ultimate goal of nanotechnology and is becoming increasingly relevant as an enabling technology for quantum…”
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Direct exciton emission from atomically thin transition metal dichalcogenide heterostructures near the lifetime limit
Published in Scientific reports (28-09-2017)“…We demonstrate the reduction of the inhomogeneous linewidth of the free excitons in atomically thin transition metal dichalcogenides (TMDCs) MoSe 2 , WSe 2 and…”
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Recommended Methods to Study Resistive Switching Devices
Published in Advanced electronic materials (01-01-2019)“…Resistive switching (RS) is an interesting property shown by some materials systems that, especially during the last decade, has gained a lot of interest for…”
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Imaging ellipsometry of graphene
Published in Applied physics letters (06-12-2010)“…Imaging ellipsometry studies of graphene on SiO 2 / Si and crystalline GaAs are presented. We demonstrate that imaging ellipsometry is a powerful tool to…”
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Signatures of a degenerate many-body state of interlayer excitons in a van der Waals heterostack
Published in Physical review research (22-12-2020)“…Atomistic van der Waals heterostacks are ideal systems for high-temperature exciton condensation because of large exciton binding energies and long lifetimes…”
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Suppression of alloy fluctuations in GaAs-AlGaAs core-shell nanowires
Published in Applied physics letters (29-08-2016)“…Probing localized alloy fluctuations and controlling them by growth kinetics have been relatively limited so far in nanoscale structures such as semiconductor…”
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Tunable Quantum Confinement in Ultrathin, Optically Active Semiconductor Nanowires Via Reverse-Reaction Growth
Published in Advanced materials (Weinheim) (01-04-2015)“…A unique growth scheme is demonstrated to realize ultrathin GaAs nanowires on Si with sizes down to the sub‐10 nm regime. While this scheme preserves the…”
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Manifold Coupling Mechanisms of Transition Metal Dichalcogenides to Plasmonic Gold Nanoparticle Arrays
Published in Journal of physical chemistry. C (03-05-2018)“…We reveal the manifold interaction mechanisms between monolayers of MoS2 and single layers of plasmon-active gold nanoparticles. The MoS2 shows a 10- to…”
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Contact morphology and revisited photocurrent dynamics in monolayer MoS2
Published in NPJ 2D materials and applications (17-11-2017)“…Two-dimensional (2D) layered transition metal dichalcogenides (TMDs) have emerged as promising materials for electronic, optoelectronic, and valleytronic…”
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In-situ visualization of hydrogen evolution sites on helium ion treated molybdenum dichalcogenides under reaction conditions
Published in NPJ 2D materials and applications (15-07-2019)“…Nanostructured 2D transition metal dichalcogenides play an increasingly important role in heterogeneous catalysis. These materials are abundant (co-)catalysts…”
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Exciton Manifolds in Highly Ambipolar Doped WS2
Published in Nanomaterials (Basel, Switzerland) (19-09-2022)“…The disentanglement of single and many particle properties in 2D semiconductors and their dependencies on high carrier concentration is challenging to…”
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Highly Reliable Contacts to Silicon Enabled by Low Temperature Sputtered Graphenic Carbon
Published in IEEE journal of the Electron Devices Society (2019)“…Titanium silicide (TiSi) contacts are frequently used metal-silicon contacts but are known to diffuse into the active region under high current density stress…”
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Excitons stabilize above the band gap in bilayer WSe2
Published in Nature nanotechnology (01-02-2024)“…Electric field tunable interlayer excitons in a van der Waals bilayer emit at an energy of twice the band gap…”
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Excitons stabilize above the band gap in bilayer WSe 2
Published in Nature nanotechnology (01-02-2024)Get full text
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Tuning the Fröhlich exciton-phonon scattering in monolayer MoS 2
Published in Nature communications (01-12-2019)“…Charge carriers in semiconducting transition metal dichalcogenides possess a valley degree of freedom that allows for optoelectronic applications based on the…”
Get full text
Journal Article