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N. Pontius · SciRah

Researcher profile · Semantic Scholar

N. Pontius

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N. Pontius — researcher profile on SciRah

h-index: 27
Works: 105
Citations: 4,163

Most-cited papers

Transient ferromagnetic-like state mediating ultrafast reversal of antiferromagnetically coupled spins
I. Radu, K. Vahaplar, C. Stamm, T. Kachel +11 more
2011Nature979 citations Open access
Semantic Scholar
Femtosecond modification of electron localization and transfer of angular momentum in nickel.
C. Stamm, T. Kachel, N. Pontius, R. Mitzner +8 more
2007Nature Materials466 citations
Semantic Scholar
Distinguishing the ultrafast dynamics of spin and orbital moments in solids
C. Boeglin, E. Beaurepaire, V. Halté, V. López-Flores +4 more
2010Nature381 citations
Semantic Scholar
Ultrafast spin transport as key to femtosecond demagnetization.
A. Eschenlohr, M. Battiato, P. Maldonado, N. Pontius +6 more
2013Nature Materials285 citations
Semantic Scholar
Femtosecond microscopy of surface plasmon polariton wave packet evolution at the silver/vacuum interface.
A. Kubo, N. Pontius, H. Petek
2007Nano letters (Print)254 citations
Semantic Scholar
Hot-electron-driven enhancement of spin-lattice coupling in Gd and Tb 4f ferromagnets observed by femtosecond x-ray magnetic circular dichroism.
M. Wietstruk, A. Melnikov, C. Stamm, T. Kachel +6 more
2010Physical Review Letters150 citations Open access
Semantic Scholar
Speed limit of the insulator-metal transition in magnetite.
S. De Jong, R. Kukreja, C. Trabant, N. Pontius +32 more
2013Nature Materials130 citations Open access
Semantic Scholar
Ultrafast angular momentum transfer in multisublattice ferrimagnets
N. Bergeard, V. López-Flores, V. Halté, M. Hehn +4 more
2014Nature Communications99 citations Open access
Semantic Scholar
Stimulated X-ray emission for materials science
M. Beye, S. Schreck, F. Sorgenfrei, C. Trabant +4 more
2013Nature99 citations Open access
Semantic Scholar
Ultrafast and Distinct Spin Dynamics in Magnetic Alloys
I. Radu, C. Stamm, A. Eschenlohr, F. Radu +16 more
201590 citations Open access
Semantic Scholar
Laser-induced generation and quenching of magnetization on FeRh studied with time-resolved x-ray magnetic circular dichroism
I. Radu, C. Stamm, N. Pontius, T. Kachel +4 more
201072 citations
Semantic Scholar
FemtoSpeX: a versatile optical pump-soft X-ray probe facility with 100 fs X-ray pulses of variable polarization.
K. Holldack, J. Bahrdt, A. Balzer, U. Bovensiepen +20 more
2014Journal of Synchrotron Radiation68 citations Open access
Semantic Scholar
Femtosecond x-ray absorption spectroscopy of spin and orbital angular momentum in photoexcited Ni films during ultrafast demagnetization
Christian Stamm, N. Pontius, T. Kachel, M. Wietstruk +1 more
201063 citations Open access
Semantic Scholar
Electronic potential of a chemisorption interface
Jin Zhao, N. Pontius, A. Winkelmann, V. Sametoglu +7 more
200854 citations Open access
Semantic Scholar
Ultrafast and Energy-Efficient Quenching of Spin Order: Antiferromagnetism Beats Ferromagnetism.
N. Thielemann-Kühn, D. Schick, N. Pontius, C. Trabant +5 more
2017Physical Review Letters52 citations Open access
Semantic Scholar
Metal-to-ligand and ligand-to-metal charge transfer in thin films of Prussian blue analogues investigated by X-ray absorption spectroscopy.
Sébastien Bonhommeau, N. Pontius, S. Cobo, L. Salmon +5 more
2008Physical Chemistry, Chemical Physics - PCCP51 citations Open access
Semantic Scholar
Role of critical spin fluctuations in ultrafast demagnetization of transition-metal rare-earth alloys
V. López-Flores, N. Bergeard, V. Halté, C. Stamm +5 more
201341 citations Open access
Semantic Scholar
A novel monochromator for experiments with ultrashort X-ray pulses.
M. Brzhezinskaya, A. Firsov, K. Holldack, T. Kachel +7 more
2013Journal of Synchrotron Radiation39 citations Open access
Semantic Scholar
Photon-induced thermal desorption of CO from small metal-carbonyl clusters.
G. Lüttgens, N. Pontius, P. S. Bechthold, M. Neeb +1 more
2002Physical Review Letters39 citations
Semantic Scholar
Time-resolved resonant soft x-ray diffraction with free-electron lasers: Femtosecond dynamics across the Verwey transition in magnetite
N. Pontius, T. Kachel, C. Schüssler-Langeheine, W. Schlotter +14 more
201135 citations Open access
Semantic Scholar
Itinerant and Localized Magnetization Dynamics in Antiferromagnetic Ho.
L. Rettig, C. Dornes, N. Thielemann-Kühn, N. Pontius +11 more
2015Physical Review Letters34 citations Open access
Semantic Scholar
Simulation of two-photon photoemission from the bulk sp -bands of Ag(111)
N. Pontius, V. Sametoglu, H. Petek
200533 citations
Semantic Scholar
Time-resolved x-ray magnetic circular dichroism study of ultrafast demagnetization in a CoPd ferromagnetic film excited by circularly polarized laser pulse
V. López-Flores, J. Arabski, C. Stamm, V. Halté +3 more
201230 citations
Semantic Scholar
Ultrafast relaxation dynamics of optically excited electrons in Ni - 3
N. Pontius, M. Neeb, W. Eberhardt, G. Lüttgens +1 more
200330 citations
Semantic Scholar
Size-dependent hot-electron dynamics in small Pdn−-clusters
N. Pontius, G. Lüttgens, P. S. Bechthold, M. Neeb +1 more
200128 citations Open access
Semantic Scholar
Transient electronic and magnetic structures of nickel heated by ultrafast laser pulses
T. Kachel, N. Pontius, C. Stamm, M. Wietstruk +4 more
200927 citations Open access
Semantic Scholar
Flipping the helicity of X-rays from an undulator at unprecedented speed
K. Holldack, C. Schüssler-Langeheine, P. Goslawski, N. Pontius +7 more
2020Communications Physics26 citations Open access
Semantic Scholar
Ultrafast reduction of the total magnetization in iron
A. Fognini, T. Michlmayr, G. Salvatella, C. Wetli +22 more
201425 citations Open access
Semantic Scholar
Exchange scaling of ultrafast angular momentum transfer in 4f antiferromagnets
Y. W. Windsor, S.-E. Lee, D. Zahn, V. Borisov +10 more
2021Nature Materials24 citations Open access
Semantic Scholar
Pi resonance of chemisorbed alkali atoms on noble metals.
A. G. Borisov, Vahit Sametoglu, A. Winkelmann, A. Kubo +7 more
2008Physical Review Letters24 citations Open access
Semantic Scholar
Ultrafast Optically Induced Ferromagnetic State in an Elemental Antiferromagnet.
E. Golias, I. Kumberg, I. Gelen, S. Thakur +8 more
2020Physical Review Letters23 citations Open access
Semantic Scholar
Structural dynamics during laser induced ultrafast demagnetization
E. Jal, V. L'opez-Flores, N. Pontius, T. Fert'e +5 more
201721 citations Open access
Semantic Scholar
Ultrafast dynamics of antiferromagnetic order studied by femtosecond resonant soft x-ray diffraction
K. Holldack, N. Pontius, E. Schierle, T. Kachel +5 more
201021 citations Open access
Semantic Scholar
Experimental confirmation of the delayed Ni demagnetization in FeNi alloy
S. Jana, R. Knut, S. Muralidhar, R. Malik +5 more
2021Applied Physics Letters16 citations Open access
Semantic Scholar
Optical control of 4f orbital state in rare-earth metals
N. Thielemann-Kühn, T. Amrhein, Wibke Bronsch, S. Jana +27 more
2021Science Advances16 citations Open access
Semantic Scholar
Deterministic control of an antiferromagnetic spin arrangement using ultrafast optical excitation
Y. W. Windsor, A. Ernst, K. Kummer, K. Kliemt +7 more
2020Communications Physics16 citations Open access
Semantic Scholar
Photoinduced Demagnetization and Insulator-to-Metal Transition in Ferromagnetic Insulating BaFeO_{3} Thin Films.
T. Tsuyama, S. Chakraverty, S. Macke, N. Pontius +4 more
2015Physical Review Letters14 citations Open access
Semantic Scholar
Spectral properties of Cs and Ba on Cu(111) at very low coverage: Two-photon photoemission spectroscopy and electronic structure theory
S. Achilli, M. I. Trioni, E. Chulkov, P. Echenique +6 more
200914 citations Open access
Semantic Scholar
Photoelectron spectroscopy of GdO
R. Klingeler, N. Pontius, G. Lüttgens, P. S. Bechthold +2 more
200214 citations
Semantic Scholar
Chemisorption of benzene on metal dimer anions: A study by photoelectron detachment spectroscopy
G. Lüttgens, N. Pontius, C. Friedrich, R. Klingeler +3 more
200113 citations Open access
Semantic Scholar
The role of space charge in spin-resolved photoemission experiments
A. Fognini, G. Salvatella, T. Michlmayr, C. Wetli +21 more
201412 citations Open access
Semantic Scholar
Reply to 'Optical excitation of thin magnetic layers in multilayer structures'.
A. Eschenlohr, M. Battiato, P. Maldonado, N. Pontius +6 more
2014Nature Materials12 citations
Semantic Scholar
An x-ray autocorrelator and delay line for the VUV-FEL at TTF/DESY
R. Mitzner, M. Neeb, T. Noll, N. Pontius +1 more
2005SPIE Optics + Photonics12 citations
Semantic Scholar
Analysis of the halo background in femtosecond slicing experiments.
D. Schick, L. Le Guyader, N. Pontius, I. Radu +6 more
2016Journal of Synchrotron Radiation11 citations Open access
Semantic Scholar
Probing the non-equilibrium transient state in magnetite by a jitter-free two-color X-ray pump and X-ray probe experiment
N. Pontius, M. Beye, C. Trabant, R. Mitzner +11 more
2018Structural Dynamics10 citations Open access
Semantic Scholar
Influence of the pump pulse wavelength on the ultrafast demagnetization of Gd(0 0 0 1) thin films
Kamil Bobowski, Markus Gleich, N. Pontius, C. Schüssler-Langeheine +4 more
2017Journal of Physics: Condensed Matter9 citations
Semantic Scholar
The confocal plane grating spectrometer at bessy ii
R. Könnecke, R. Follath, N. Pontius, J. Schlappa +13 more
20139 citations
Semantic Scholar
Tuning ultrafast demagnetization with ultrashort spin polarized currents in multi-sublattice ferrimagnets
D. Gupta, M. Pankratova, Matthias Riepp, M. Pereiro +10 more
2025Nature Communications8 citations Open access
Semantic Scholar
Laser-pump/X-ray-probe experiments with electrons ejected from a Cu(111) target: space-charge acceleration.
G. Schiwietz, D. Kühn, A. Föhlisch, K. Holldack +2 more
2016Journal of Synchrotron Radiation8 citations Open access
Semantic Scholar
Robust Magnetic Order Upon Ultrafast Excitation of an Antiferromagnet
Sang-Eun Lee, Y. W. Windsor, A. Fedorov, K. Kliemt +7 more
2022Advanced Materials Interfaces7 citations Open access
Semantic Scholar

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