Search Results - "Wehling, Tim O."

The Dielectric Impact of Layer Distances on Exciton and Trion Binding Energies in van der Waals Heterostructures by Florian, Matthias, Hartmann, Malte, Steinhoff, Alexander, Klein, Julian, Holleitner, Alexander W, Finley, Jonathan J, Wehling, Tim O, Kaniber, Michael, Gies, Christopher

“…The electronic and optical properties of monolayer transition-metal dichalcogenides (TMDs) and van der Waals heterostructures are strongly subject to their…”
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Rigid Band Shifts in Two-Dimensional Semiconductors through External Dielectric Screening by Waldecker, Lutz, Raja, Archana, Rösner, Malte, Steinke, Christina, Bostwick, Aaron, Koch, Roland J, Jozwiak, Chris, Taniguchi, Takashi, Watanabe, Kenji, Rotenberg, Eli, Wehling, Tim O, Heinz, Tony F

“…We investigate the effects of external dielectric screening on the electronic dispersion and the band gap in the atomically thin, quasi-two-dimensional (2D)…”
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Electronic structures and optical properties of partially and fully fluorinated graphene by Yuan, Shengjun, Rösner, Malte, Schulz, Alexander, Wehling, Tim O, Katsnelson, Mikhail I

“…In this Letter, we study the electronic structures and optical properties of partially and fully fluorinated graphene by a combination of ab initio G0W0…”
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Pseudodoping of a metallic two-dimensional material by the supporting substrate by Shao, Bin, Eich, Andreas, Sanders, Charlotte, Ngankeu, Arlette S., Bianchi, Marco, Hofmann, Philip, Khajetoorians, Alexander A., Wehling, Tim O.

“…Charge transfers resulting from weak bondings between two-dimensional materials and the supporting substrates are often tacitly associated with their work…”
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Phonon-pump extreme-ultraviolet-photoemission probe in graphene: anomalous heating of Dirac carriers by lattice deformation by Gierz, Isabella, Mitrano, Matteo, Bromberger, Hubertus, Cacho, Cephise, Chapman, Richard, Springate, Emma, Link, Stefan, Starke, Ulrich, Sachs, Burkhard, Eckstein, Martin, Wehling, Tim O, Katsnelson, Mikhail I, Lichtenstein, Alexander, Cavalleri, Andrea

“…We modulate the atomic structure of bilayer graphene by driving its lattice at resonance with the in-plane E_{1u} lattice vibration at 6.3  μm. Using time- and…”
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Ultrafast reversible phase engineering in MoTe2 thin film via polaron formation by Kim, Ji-Hee, Schönhoff, Gunnar, Lorke, Michael, Wehling, Tim O., Yee, Ki-Ju

“…The emergence of various polymorphs in two-dimensional transition metal dichalcogenides provides an opportunity for robust phase engineering by temperature,…”
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Coulomb engineering of two-dimensional Mott materials by van Loon, Erik G. C. P., Schüler, Malte, Springer, Daniel, Sangiovanni, Giorgio, Tomczak, Jan M., Wehling, Tim O.

“…Two-dimensional materials can be strongly influenced by their surroundings. A dielectric environment screens and reduces the Coulomb interaction between…”
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Competing Coulomb and electron–phonon interactions in NbS2 by van Loon, Erik G. C. P., Rösner, Malte, Schönhoff, Gunnar, Katsnelson, Mikhail I., Wehling, Tim O.

“…The interplay of Coulomb and electron–phonon interactions with thermal and quantum fluctuations facilitates rich phase diagrams in two-dimensional electron…”
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Switching between Mott-Hubbard and Hund Physics in Moiré Quantum Simulators by Ryee, Siheon, Wehling, Tim O.

“…Mott-Hubbard and Hund electron correlations have been realized thus far in separate classes of materials. Here, we show that a single moiré homobilayer…”
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Downfolding from ab initio to interacting model Hamiltonians: comprehensive analysis and benchmarking of the DFT+cRPA approach by Chang, Yueqing, van Loon, Erik G. C. P., Eskridge, Brandon, Busemeyer, Brian, Morales, Miguel A., Dreyer, Cyrus E., Millis, Andrew J., Zhang, Shiwei, Wehling, Tim O., Wagner, Lucas K., Rösner, Malte

“…Model Hamiltonians are regularly derived from first principles to describe correlated matter. However, the standard methods for this contain a number of…”
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Quantum-Dot-Like States in Molybdenum Disulfide Nanostructures Due to the Interplay of Local Surface Wrinkling, Strain, and Dielectric Confinement by Carmesin, Christian, Lorke, Michael, Florian, Matthias, Erben, Daniel, Schulz, Alexander, Wehling, Tim O, Jahnke, Frank

“…The observation of quantum light emission from atomically thin transition metal dichalcogenides has opened a new field of applications for these material…”
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Ultrafast transport of laser-excited spin-polarized carriers in Au/Fe/MgO(001) by Melnikov, Alexey, Razdolski, Ilya, Wehling, Tim O, Papaioannou, Evangelos Th, Roddatis, Vladimir, Fumagalli, Paul, Aktsipetrov, Oleg, Lichtenstein, Alexander I, Bovensiepen, Uwe

“…Hot carrier-induced spin dynamics is analyzed in epitaxial Au/Fe/MgO(001) by a time domain approach. We excite a spin current pulse in Fe by 35 fs laser…”
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Graphene-Based Topological Insulator with an Intrinsic Bulk Band Gap above Room Temperature by Kou, Liangzhi, Yan, Binghai, Hu, Feiming, Wu, Shu-Chun, Wehling, Tim O, Felser, Claudia, Chen, Changfeng, Frauenheim, Thomas

“…Topological insulators (TIs) represent a new quantum state of matter characterized by robust gapless states inside the insulating bulk gap. The metallic edge…”
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Tuning the van der Waals Interaction of Graphene with Molecules via Doping by Huttmann, Felix, Martínez-Galera, Antonio J, Caciuc, Vasile, Atodiresei, Nicolae, Schumacher, Stefan, Standop, Sebastian, Hamada, Ikutaro, Wehling, Tim O, Blügel, Stefan, Michely, Thomas

“…We use scanning tunneling microscopy to visualize and thermal desorption spectroscopy to quantitatively measure that the binding of naphthalene molecules to…”
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Strain in epitaxial graphene visualized by intercalation by Schumacher, Stefan, Förster, Daniel F, Rösner, Malte, Wehling, Tim O, Michely, Thomas

“…Intercalation of Eu under graphene on Ir(111) results in patterns oriented along the graphene moiré and quantized in size by its unit mesh. The patterns are…”
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The Backside of Graphene: Manipulating Adsorption by Intercalation by Schumacher, Stefan, Wehling, Tim O, Lazić, Predrag, Runte, Sven, Förster, Daniel F, Busse, Carsten, Petrović, Marin, Kralj, Marko, Blügel, Stefan, Atodiresei, Nicolae, Caciuc, Vasile, Michely, Thomas

“…The ease by which graphene is affected through contact with other materials is one of its unique features and defines an integral part of its potential for…”
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Optically and Electrically Controllable Adatom Spin–orbital Dynamics in Transition Metal Dichalcogenides by Shao, Bin, Schüler, Malte, Schönhoff, Gunnar, Frauenheim, Thomas, Czycholl, Gerd, Wehling, Tim O

“…We analyze the interplay of spin-valley coupling, orbital physics, and magnetic anisotropy taking place at single magnetic atoms adsorbed on semiconducting…”
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Electronic transport in graphene with aggregated hydrogen adatoms by Gargiulo, Fernando, Autès, Gabriel, Virk, Naunidh, Barthel, Stefan, Rösner, Malte, Toller, Lisa R M, Wehling, Tim O, Yazyev, Oleg V

“…Hydrogen adatoms and other species covalently bound to graphene act as resonant scattering centers affecting the electronic transport properties and inducing…”
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No superconductivity in Pb$_9$Cu$_1$(PO$_4$)$_6$O found in orbital and spin fluctuation exchange calculations by Witt, Niklas, Si, Liang, Tomczak, Jan M., Held, Karsten, Wehling, Tim O.

“…Finding a material that turns superconducting under ambient conditions has been the goal of over a century of research, and recently Pb _{10-x} 10 − x Cu _x x…”
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Observation of carrier-density-dependent many-body effects in graphene via tunneling spectroscopy by Brar, Victor W, Wickenburg, Sebastian, Panlasigui, Melissa, Park, Cheol-Hwan, Wehling, Tim O, Zhang, Yuanbo, Decker, Régis, Girit, Cağlar, Balatsky, Alexander V, Louie, Steven G, Zettl, Alex, Crommie, Michael F

“…We find the scanning tunneling spectra of backgated graphene monolayers to be significantly altered by many-body excitations. Experimental features in the…”
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