Principal Investigator Katharina Ollefs

Dr. Katharina Ollefs

 
Lotharstraße 1
47057 Duisburg
 


 

Publications


A07 Exploring Particle-Induced Excitations in the Time Domain


2024

Tobias Lojewski, Denis Golež, Katharina Ollefs, Loïc Le Guyader, Lea Kämmerer, Nico Rothenbach, Robin Y. Engel, Piter S. Miedema, Martin Beye, Gheorghe S. Chiuzbăian, Robert Carley, Rafael Gort, Benjamin E. Van Kuiken, Giuseppe Mercurio, Justina Schlappa, Alexander Yaroslavtsev, Andreas Scherz, Florian Döring, Christian David, Heiko Wende, Uwe Bovensiepen, Martin Eckstein, Philipp Werner and Andrea Eschenlohr
Photoinduced Charge Transfer Renormalization in NiO
Phys. Rev. B 110, 245120 (2024)
DOI: 10.1103/PhysRevB.110.245120

Lea Kämmerer, Gérald Kämmerer, Manuel Gruber, Jan Grunwald, Tobias Lojewski, Laurent Mercadier, Loïc Le Guyader, Robert Carley, Cammille Carinan, Natalia Gerasimova, David Hickin, Benjamin E. Van Kuiken, Giuseppe Mercurio, Martin Teichmann, Senthil Kumar Kuppusamy, Andreas Scherz, Mario Ruben, Klaus Sokolowski-Tinten, Andrea Eschenlohr, Katharina Ollefs, Carolin Schmitz-Antoniak, Felix Tuczek, Peter Kratzer, Uwe Bovensiepen and Heiko Wende
Femtosecond Spin-State Switching Dynamics of Fe(II) Complexes Condensed in Thin Films
136, (2024)
DOI: 10.1021/acsnano.4c05123

 

2023

Tobias Lojewski, Mohamed F. Elhanoty, Loïc Le Guyader, Oscar Grånäs, Naman Agarwal, Christine Boeglin, Robert Carley, Andrea Castoldi, Christian David, Carsten Deiter, Florian Döring, RobinY Engel, Florian Erdinger, Hans Fangohr, Carlo Fiorini, Peter Fischer, Natalia Gerasimova, Rafael Gort, Frank deGroot, Karsten Hansen, Steffen Hauf, David Hickin, Manuel Izquierdo, Benjamin E. Van Kuiken, Yaroslav Kvashnin, Charles-Henri Lambert, David Lomidze, Stefano Maffessanti, Laurent Mercadier, Giuseppe Mercurio, Piter S. Miedema, Katharina Ollefs, Matthias Pace, Matteo Porro, Javad Rezvani, Benedikt Rösner, Nico Rothenbach, Andrey Samartsev, Andreas Scherz, Justina Schlappa, Christian Stamm, Martin Teichmann, Patrik Thunström, Monica Turcato, Alexander Yaroslavtsev, Jun Zhu, Martin Beye, Heiko Wende, Uwe Bovensiepen, Olle Eriksson and Andrea Eschenlohr
The Interplay of Local Electron Correlations and Ultrafast Spin Dynamics in fcc Ni
Mater. Res. Lett. 11, 655 (2023)
DOI: 10.1080/21663831.2023.2210606

Vijaya Begum-Hudde, Tobias Lojewski, Nico Rothenbach, Benedikt Eggert, Andrea Eschenlohr, Katharina Ollefs, Markus Ernst Gruner and Rossitza Pentcheva
Nature of Excitons in the Ti L and O K Edges of X-Ray Absorption Spectra in Bulk SrTiO3 from a Combined First Principles and Many-Body Theory Approach
Phys. Rev. Research 5, 013199 (2023)
DOI: 10.1103/PhysRevResearch.5.013199

Loïc Le Guyader, Andrea Eschenlohr, Martin Beye, William Schlotter, Florian Döring, Cammille Carinan, David Hickin, Naman Agarwal, Christine Boeglin, Uwe Bovensiepen, Jens Buck, Robert Carley, Andrea Castoldi, Alessandro D'Elia, Jan Torben Delitz, Wajid Ehsan, Robin Engel, Florian Erdinger, Hans Fangohr, Peter Fischer, Carlo Fiorini, Alexander Föhlisch, Luca Gelisio, Michael Gensch, Natalia Gerasimova, Rafael Gort, Karsten Hansen, Steffen Hauf, Manuel Izquierdo, Emmanuelle Jal, Ebad Kamil, Suren Karabekyan, Thomas Kluyver, Tim Laarmann, Tobias Lojewski, David Lomidze, Stefano Maffessanti, Talgat Mamyrbayev, Augusto Marcelli, Laurent Mercadier, Giuseppe Mercurio, Piter S. Miedema, Katharina Ollefs, Kai Rossnagel, Benedikt Rösner, Nico Rothenbach, Andrey Samartsev, Justine Schlappa, Kiana Setoodehnia, Gheorghe Sorin Chiuzbaian, Lea Spieker, Christian Stamm, Francesco Stellato, Simone Techert, Martin Teichmann, Monica Turcato, Benjamin Van Kuiken, Heiko Wende, Alexander Yaroslavtsev, Jun Zhu, Serguei Molodtsov, Christian David, Matteo Porro, Andreas Scherz and Jan-Torben Delitz
Photon-Shot-Noise-Limited Transient Absorption Soft X-Ray Spectroscopy at the European XFEL
J. Synchrotron Rad. 30, 284 (2023)
DOI: 10.1107/S1600577523000619

Robin Y. Engel, Oliver Alexander, Kaan Atak, Uwe Bovensiepen, Jens Buck, Robert Carley, Michele Cascella, Valentin Chardonnet, Gheorghe Sorin Chiuzbaian, Christian David, Florian Döring, Andrea Eschenlohr, Natalia Gerasimova, Frank de Groot, Loïc Le Guyader, Oliver S. Humphries, Manuel Izquierdo, Emmanuelle Jal, Adam Kubec, Tim Laarmann, Charles-Henri Lambert, Jan Lüning, Jonathan P. Marangos, Laurent Mercadier, Giuseppe Mercurio, Piter S. Miedema, Katharina Ollefs, Bastian Pfau, Benedikt Rösner, Kai Rossnagel, Nico Rothenbach, Andreas Scherz, Justine Schlappa, Markus Scholz, Jan O. Schunck, Kiana Setoodehnia, Christian Stamm, Simone Techert, Sam M. Vinko, Heiko Wende, Alexander A. Yaroslavtsev, Zhong Yin and Martin Beye
Electron Population Dynamics in Resonant Non-Linear X-Ray Absorption in Nickel at a Free-Electron Laser
Struct. Dyn. 10, 054501 (2023)
DOI: 10.1063/4.0000206

Andrea Eschenlohr
Spin Dynamics at Interfaces on Femtosecond Timescales
2023 IEEE International Magnetic Conference - Short Papers, pp. 1-2 (2023)
DOI: 10.1109/INTERMAGShortPapers58606.2023.10228827

 

2022

Peter Elliott, Andrea Eschenlohr, Jinghao Chen, Sam Shallcross, Uwe Bovensiepen, John Kay Dewhurst and Sangeeta Sharma
Transient Spin Injection Efficiencies at Ferromagnet–Metal Interfaces
Adv. Mater. Interf. 9, 2201233 (2022)
DOI: 10.1002/admi.202201233

 

2021

Nico Rothenbach, Markus Ernst Gruner, Katharina Ollefs, Carolin Schmitz-Antoniak, Soma Salamon, Ping Zhou, Renkai Li, Mianzhen Mo, Suji Park, Xiaohong Shen, Stephen P. Weathersby, Jun Yang, Xijie Wang, Ondrej Šipr, Hubert Ebert, Klaus Sokolowski-Tinten, Rossitza Pentcheva, Uwe Bovensiepen, Andrea Eschenlohr and Heiko Wende
Effect of Lattice Excitations on Transient Near-Edge X-Ray Absorption Spectroscopy
Phys. Rev. B 104, 144302 (2021)
DOI: 10.1103/PhysRevB.104.144302

 

2020

Andrea Eschenlohr
Spin Dynamics at Interfaces on Femtosecond Timescales
J. Phys: Cond. Matter 33, 013001 (2020)
DOI: 10.1088/1361-648x/abb519

Publications

A07 Charge Transfer, Diffusion, and Lattice-Mediated Dynamics in Oxide Heterostructures