Search Results - "Michaelis de Vasconcellos, Steffen"

Dark exciton anti-funneling in atomically thin semiconductors by Rosati, Roberto, Schmidt, Robert, Brem, Samuel, Perea-Causín, Raül, Niehues, Iris, Kern, Johannes, Preuß, Johann A., Schneider, Robert, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf, Malic, Ermin

“…Transport of charge carriers is at the heart of current nanoelectronics. In conventional materials, electronic transport can be controlled by applying electric…”
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Spintronic GdFe/Pt THz emitters by Schneider, Robert, Fix, Mario, Bensmann, Jannis, Michaelis de Vasconcellos, Steffen, Albrecht, Manfred, Bratschitsch, Rudolf

“…We present a spintronic terahertz emitter based on a ferrimagnetic gadolinium-iron alloy (GdxFe1−x) and platinum (Pt). We measure the magnetic-field-dependent…”
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On-Chip Waveguide Coupling of a Layered Semiconductor Single-Photon Source by Tonndorf, Philipp, Del Pozo-Zamudio, Osvaldo, Gruhler, Nico, Kern, Johannes, Schmidt, Robert, Dmitriev, Alexander I, Bakhtinov, Anatoly P, Tartakovskii, Alexander I, Pernice, Wolfram, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf

“…Fully integrated quantum technology based on photons is in the focus of current research, because of its immense potential concerning performance and…”
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Biaxial strain tuning of the optical properties of single-layer transition metal dichalcogenides by Frisenda, Riccardo, Drüppel, Matthias, Schmidt, Robert, Michaelis de Vasconcellos, Steffen, Perez de Lara, David, Bratschitsch, Rudolf, Rohlfing, Michael, Castellanos-Gomez, Andres

“…Since their discovery, single-layer semiconducting transition metal dichalcogenides have attracted much attention, thanks to their outstanding optical and…”
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Thickness determination of MoS2, MoSe2, WS2 and WSe2 on transparent stamps used for deterministic transfer of 2D materials by Taghavi, Najme S., Gant, Patricia, Huang, Peng, Niehues, Iris, Schmidt, Robert, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf, García-Hernández, Mar, Frisenda, Riccardo, Castellanos-Gomez, Andres

“…Here, we propose a method to determine the thickness of the most common transition metal dichalcogenides (TMDCs) placed on the surface of transparent stamps,…”
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Nanoscale Positioning of Single-Photon Emitters in Atomically Thin WSe2 by Kern, Johannes, Niehues, Iris, Tonndorf, Philipp, Schmidt, Robert, Wigger, Daniel, Schneider, Robert, Stiehm, Torsten, Michaelis de Vasconcellos, Steffen, Reiter, Doris E., Kuhn, Tilmann, Bratschitsch, Rudolf

“…Single‐photon emitters in monolayer WSe2 are created at the nanoscale gap between two single‐crystalline gold nanorods. The atomically thin semiconductor…”
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Interlayer excitons in a bulk van der Waals semiconductor by Arora, Ashish, Drüppel, Matthias, Schmidt, Robert, Deilmann, Thorsten, Schneider, Robert, Molas, Maciej R., Marauhn, Philipp, Michaelis de Vasconcellos, Steffen, Potemski, Marek, Rohlfing, Michael, Bratschitsch, Rudolf

“…Bound electron–hole pairs called excitons govern the electronic and optical response of many organic and inorganic semiconductors. Excitons with spatially…”
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Ultrafast Coulomb-Induced Intervalley Coupling in Atomically Thin WS2 by Schmidt, Robert, Berghäuser, Gunnar, Schneider, Robert, Selig, Malte, Tonndorf, Philipp, Malić, Ermin, Knorr, Andreas, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf

“…Monolayers of semiconducting transition metal dichalcogenides hold the promise for a new paradigm in electronics by exploiting the valley degree of freedom in…”
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Highly Anisotropic in-Plane Excitons in Atomically Thin and Bulklike 1T′‑ReSe2 by Arora, Ashish, Noky, Jonathan, Drüppel, Matthias, Jariwala, Bhakti, Deilmann, Thorsten, Schneider, Robert, Schmidt, Robert, Del Pozo-Zamudio, Osvaldo, Stiehm, Torsten, Bhattacharya, Arnab, Krüger, Peter, Michaelis de Vasconcellos, Steffen, Rohlfing, Michael, Bratschitsch, Rudolf

“…Atomically thin materials such as graphene or MoS2 are of high in-plane symmetry. Crystals with reduced symmetry hold the promise for novel optoelectronic…”
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Single-photon emission from localized excitons in an atomically thin semiconductor by Tonndorf, Philipp, Schmidt, Robert, Schneider, Robert, Kern, Johannes, Buscema, Michele, Steele, Gary A., Castellanos-Gomez, Andres, van der Zant, Herre S. J., Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf

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Spin valves as magnetically switchable spintronic THz emitters by Fix, Mario, Schneider, Robert, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf, Albrecht, Manfred

“…In this Letter, we demonstrate that spin valve systems consisting of a magnetically soft free Fe layer and a magnetically hard Fe fixed layer pinned by an…”
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Inverted valley polarization in optically excited transition metal dichalcogenides by Berghäuser, Gunnar, Bernal-Villamil, Ivan, Schmidt, Robert, Schneider, Robert, Niehues, Iris, Erhart, Paul, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf, Knorr, Andreas, Malic, Ermin

“…Large spin–orbit coupling in combination with circular dichroism allows access to spin-polarized and valley-polarized states in a controlled way in transition…”
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Giant Faraday rotation in atomically thin semiconductors by Carey, Benjamin, Wessling, Nils Kolja, Steeger, Paul, Schmidt, Robert, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf, Arora, Ashish

“…Faraday rotation is a fundamental effect in the magneto-optical response of solids, liquids and gases. Materials with a large Verdet constant find applications…”
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Nanoantenna-Enhanced Light–Matter Interaction in Atomically Thin WS2 by Kern, Johannes, Trügler, Andreas, Niehues, Iris, Ewering, Johannes, Schmidt, Robert, Schneider, Robert, Najmaei, Sina, George, Antony, Zhang, Jing, Lou, Jun, Hohenester, Ulrich, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf

“…Atomically thin transition metal dichalcogenides (TMDCs) are an emerging class of two-dimensional semiconductors. Recently, the first optoelectronic devices…”
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Ultrafast dynamics in monolayer transition metal dichalcogenides: Interplay of dark excitons, phonons, and intervalley exchange by Selig, Malte, Katsch, Florian, Schmidt, Robert, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf, Malic, Ermin, Knorr, Andreas

“…Understanding the ultrafast coupling and relaxation mechanisms between valleys in transition metal dichalcogenide semiconductors is of crucial interest for…”
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Polarization contrast scattering spectroscopy of individual metal nanoantennas by Stiehm, Torsten, Kern, Johannes, Schmidt, Robert, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf

“…Metal nanoantennas give rise to strongly localized and enhanced electric fields. The enhancement is largest at the plasmon resonance, which, therefore, needs…”
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Excited-State Trions in Monolayer WS2 by Arora, Ashish, Deilmann, Thorsten, Reichenauer, Till, Kern, Johannes, de Vasconcellos, Steffen Michaelis, Rohlfing, Michael, Bratschitsch, Rudolf

“…We discover an excited bound three-particle state, the 2s trion, appearing energetically below the 2s exciton in monolayer WS2, using absorption spectroscopy…”
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Strain Control of Exciton–Phonon Coupling in Atomically Thin Semiconductors by Niehues, Iris, Schmidt, Robert, Drüppel, Matthias, Marauhn, Philipp, Christiansen, Dominik, Selig, Malte, Berghäuser, Gunnar, Wigger, Daniel, Schneider, Robert, Braasch, Lisa, Koch, Rouven, Castellanos-Gomez, Andres, Kuhn, Tilmann, Knorr, Andreas, Malic, Ermin, Rohlfing, Michael, Michaelis de Vasconcellos, Steffen, Bratschitsch, Rudolf

“…Semiconducting transition metal dichalcogenide (TMDC) monolayers have exceptional physical properties. They show bright photoluminescence due to their unique…”
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Single‐Photon Emitters in Layered Van der Waals Materials by Michaelis de Vasconcellos, Steffen, Wigger, Daniel, Wurstbauer, Ursula, Holleitner, Alexander W., Bratschitsch, Rudolf, Kuhn, Tilmann

“…Single‐photon emitters (SPEs) have recently been discovered in various atomically thin materials. Their properties, controllability, and the possibility of…”
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Phonon Sidebands in Monolayer Transition Metal Dichalcogenides by Christiansen, Dominik, Selig, Malte, Berghäuser, Gunnar, Schmidt, Robert, Niehues, Iris, Schneider, Robert, Arora, Ashish, de Vasconcellos, Steffen Michaelis, Bratschitsch, Rudolf, Malic, Ermin, Knorr, Andreas

“…Excitons dominate the optical properties of monolayer transition metal dichalcogenides (TMDs). Besides optically accessible bright exciton states, TMDs exhibit…”
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