Zobrazeno 1 - 10
of 200
pro vyhledávání: '"Roth, Friedrich"'
Autor:
Wenthaus, Lukas, Kabachnik, Nikolay M., Borgwardt, Mario, Palutke, Steffen, Kutnyakhov, Dmytro, Pressacco, Federico, Scholz, Markus, Potorochin, Dmitrii, Wind, Nils, Düsterer, Stefan, Brenner, Günter, Gessner, Oliver, Molodtsov, Serguei, Eberhardt, Wolfgang, Roth, Friedrich
Photoemission from a solid surface provides a wealth of information about the electronic structure of the surface and its dynamic evolution. Ultrafast pump-probe experiments are particularly useful to study the dynamic interactions of photons with su
Externí odkaz:
http://arxiv.org/abs/2309.00099
Autor:
Baumgärtner, Kiana, Nozaki, Misa, Reuner, Marvin, Wind, Nils, Haniuda, Masato, Metzger, Christian, Heber, Michael, Kutnyakhov, Dmytro, Pressacco, Federico, Wenthaus, Lukas, Hara, Keisuke, Min, Chul-Hee, Beye, Martin, Reinert, Friedrich, Roth, Friedrich, Mahatha, Sanjoy Kr, Madsen, Anders, Wehling, Tim, Niki, Kaori, Popova-Gorelova, Daria, Rossnagel, Kai, Scholz, Markus
Function is dynamic and originates at atomic interfaces. Combining the degrees of freedom of molecules with the peculiar properties of 2D quantum materials can create novel functionality. Here, we report the manipulation and ultrafast imaging of a un
Externí odkaz:
http://arxiv.org/abs/2305.07773
We report on studies of charge carrier plasmon excitations in Sr2RuO4 by transmission Electron Energy-Loss Spectroscopy. In particular, we present results on the plasmon dispersion and its width as a function of momentum transfer. The dispersion can
Externí odkaz:
http://arxiv.org/abs/2210.06960
Autor:
Heber, Michael, Wind, Nils, Kutnyakhov, Dmytro, Pressacco, Federico, Arion, Tiberiu, Roth, Friedrich, Eberhardt, Wolfgang, Rossnagel, Kai
Publikováno v:
Review of Scientific Instruments 93, 083905 (2022)
A 790-nm-driven high-harmonic generation source with a repetition rate of 6 kHz is combined with a toroidal-grating monochromator and a high-detection-efficiency photoelectron time-of-flight momentum microscope to enable time- and momentum-resolved p
Externí odkaz:
http://arxiv.org/abs/2203.11121
Autor:
Roth, Friedrich, Borgwardt, Mario, Wenthaus, Lukas, Mahl, Johannes, Palutke, Steffen, Brenner, Günter, Mercurio, Giuseppe, Molodtsov, Serguei, Wurth, Wilfried, Gessner, Oliver, Eberhardt, Wolfgang
Publikováno v:
Nat. Commun. 12, 1196 (2021)
The ultrafast dynamics of photon-to-charge conversion in an organic light harvesting system is studied by femtosecond time-resolved X-ray photoemission spectroscopy (TR-XPS) at the free-electron laser FLASH. This novel experimental technique provides
Externí odkaz:
http://arxiv.org/abs/2009.08745
Publikováno v:
Phys. Rev. B 101, 195132 (2020)
The knowledge of the charge carrier distribution among the different orbitals of Cu and O is a precondition for the understanding of the physical properties of various Cu-O frameworks. We employ electron energy-loss spectroscopy to elucidate the char
Externí odkaz:
http://arxiv.org/abs/2001.01938
Publikováno v:
J. Electron. Spectrosc. Relat. Phenom., 224, 84 (2018)
We present angle resolved photoemission spectra for Ag(111) and Au(111) single crystals in normal emission geometry, taken at closely spaced intervals for photon energies between 8 eV and 160 eV. The most dominant transitions observed are attributed
Externí odkaz:
http://arxiv.org/abs/1612.06160
Akademický článek
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Autor:
Roth, Friedrich
Organic materials with fascinating/intriguing electronic properties have been the driving force for many research activities in the past, and in particular for important progress in materials science covering both new functional materials as well as
Externí odkaz:
https://tud.qucosa.de/id/qucosa%3A26700
https://tud.qucosa.de/api/qucosa%3A26700/attachment/ATT-0/
https://tud.qucosa.de/api/qucosa%3A26700/attachment/ATT-0/
Autor:
Roth, Friedrich, Herzig, Melanie, Lupulescu, Cosmin, Darlatt, Erik, Gottwald, Alexander, Knupfer, Martin, Eberhardt, Wolfgang
Publikováno v:
J. Appl. Phys., 118, 185310 (2015)
The electronic properties of co-evaporated mixtures (blends) of manganese phthalocyanine and the fullerene C$_{60}$ (MnPc:C$_{60}$) have been studied as a function of the concentration of the two constituents using two supplementary electron spectros
Externí odkaz:
http://arxiv.org/abs/1511.00809