Out-of-equilibrium charge redistribution in a copper-oxide based superconductor by time-resolved X-ray photoelectron spectroscopy

Autor: Denny Puntel, Dmytro Kutnyakhov, Lukas Wenthaus, Markus Scholz, Nils O. Wind, Michael Heber, Günter Brenner, Genda Gu, Robert J. Cava, Wibke Bronsch, Federico Cilento, Fulvio Parmigiani, Federico Pressacco

Publikováno v: Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)

Abstract Charge-transfer excitations are of paramount importance for understanding the electronic structure of copper-oxide based high-temperature superconductors. In this study, we investigate the response of a Bi $$_2$$ 2 Sr $$_2$$ 2 CaCu $$_2$$ 2

Externí odkaz: https://doaj.org/article/afd59e621657469b98840c8ce69ccfaa

Subpicosecond metamagnetic phase transition in FeRh driven by non-equilibrium electron dynamics

Autor: Federico Pressacco, Davide Sangalli, Vojtěch Uhlíř, Dmytro Kutnyakhov, Jon Ander Arregi, Steinn Ymir Agustsson, Günter Brenner, Harald Redlin, Michael Heber, Dmitry Vasilyev, Jure Demsar, Gerd Schönhense, Matteo Gatti, Andrea Marini, Wilfried Wurth, Fausto Sirotti

Publikováno v: Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)

Abstract Femtosecond light-induced phase transitions between different macroscopic orders provide the possibility to tune the functional properties of condensed matter on ultrafast timescales. In first-order phase transitions, transient non-equilibri

Externí odkaz: https://doaj.org/article/6c8250e81d15462e8788588c54a0ef6c

An open-source, end-to-end workflow for multidimensional photoemission spectroscopy

Autor: R. Patrick Xian, Yves Acremann, Steinn Y. Agustsson, Maciej Dendzik, Kevin Bühlmann, Davide Curcio, Dmytro Kutnyakhov, Federico Pressacco, Michael Heber, Shuo Dong, Tommaso Pincelli, Jure Demsar, Wilfried Wurth, Philip Hofmann, Martin Wolf, Markus Scheidgen, Laurenz Rettig, Ralph Ernstorfer

Publikováno v: Scientific Data, Vol 7, Iss 1, Pp 1-11 (2020)

Abstract Characterization of the electronic band structure of solid state materials is routinely performed using photoemission spectroscopy. Recent advancements in short-wavelength light sources and electron detectors give rise to multidimensional ph

Externí odkaz: https://doaj.org/article/e6b7fbee4b1e4d2d8786d647535a1740

Photoinduced Dynamics at the Water/TiO2(101) Interface

Autor: Michael Wagstaffe, Adrian Dominguez-Castro, Lukas Wenthaus, Steffen Palutke, Dmytro Kutnyakhov, Michael Heber, Federico Pressacco, Siarhei Dziarzhytski, Helena Gleißner, Verena Kristin Gupta, Harald Redlin, Adriel Dominguez, Thomas Frauenheim, Angel Rubio, Andreas Stierle, Heshmat Noei

Publikováno v: Physical Review Letters. 130

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4103d0fb7e7265bfb4f28431d492d8a4
https://doi.org/10.1103/physrevlett.130.108001

Tracking the surface atomic motion in a coherent phonon oscillation

Autor: Davide Curcio, Klara Volckaert, Dmytro Kutnyakhov, Steinn Ymir Agustsson, Kevin Bühlmann, Federico Pressacco, Michael Heber, Siarhei Dziarzhytski, Yves Acremann, Jure Demsar, Wilfried Wurth, Charlotte E. Sanders, Philip Hofmann

Publikováno v: Physical review / B 106(20), L201409 (2022). doi:10.1103/PhysRevB.106.L201409
Curcio, D, Volckaert, K, Kutnyakhov, D, Agustsson, S Y, Bühlmann, K, Pressacco, F, Heber, M, Dziarzhytski, S, Acremann, Y, Demsar, J, Wurth, W, Sanders, C E & Hofmann, P 2022, ' Tracking the surface atomic motion in a coherent phonon oscillation ', Physical Review B, vol. 106, no. 20, L201409 . https://doi.org/10.1103/PhysRevB.106.L201409

Physical review / B 106(20), L201409 (2022). doi:10.1103/PhysRevB.106.L201409
X-ray photoelectron diffraction is a powerful tool for determining the structure of clean and adsorbate-covered surfaces. Extending the technique into the ultrafast ti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2a1c52f6180f75fc65858fa2c1cb1b0
https://doi.org/10.1103/physrevb.106.l201409