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Sascha Schäfer
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Quantum coherent optical phase modulation in an ultrafast transmission electron microscope
A Feist, KE Echternkamp, J Schauss, SV Yalunin, S Schäfer, C Ropers
Nature 521 (7551), 200-203, 2015
5802015
Ultrafast transmission electron microscopy using a laser-driven field emitter: Femtosecond resolution with a high coherence electron beam
A Feist, N Bach, NR da Silva, T Danz, M Möller, KE Priebe, T Domröse, ...
Ultramicroscopy 176, 63-73, 2017
4202017
Attosecond electron pulse trains and quantum state reconstruction in ultrafast transmission electron microscopy
KE Priebe, C Rathje, SV Yalunin, T Hohage, A Feist, S Schäfer, C Ropers
Nature Photonics 11 (12), 793-797, 2017
3262017
Ultrafast low-energy electron diffraction in transmission resolves polymer/graphene superstructure dynamics
M Gulde, S Schweda, G Storeck, M Maiti, HK Yu, AM Wodtke, S Schäfer, ...
Science 345 (6193), 200-204, 2014
2332014
Strong-field nano-optics
P Dombi, Z Pápa, J Vogelsang, SV Yalunin, M Sivis, G Herink, S Schäfer, ...
Reviews of Modern Physics 92 (2), 025003, 2020
2122020
Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction
S Vogelgesang, G Storeck, JG Horstmann, T Diekmann, M Sivis, ...
Nature Physics 14 (2), 184-190, 2018
1712018
Ramsey-type phase control of free-electron beams
KE Echternkamp, A Feist, S Schäfer, C Ropers
Nature Physics 12, 1000-1004, 2016
1662016
Nanoscale magnetic imaging using circularly polarized high-harmonic radiation
O Kfir, S Zayko, C Nolte, M Sivis, M Möller, B Hebler, SSPK Arekapudi, ...
Science advances 3 (12), eaao4641, 2017
1112017
A vicious circle: role of oxidative stress, intraneuronal Aβ and Cu in Alzheimer's disease.
TA Bayer, S Schäfer, H Breyhan, O Wirths, C Treiber, G Multhaup
Clinical neuropathology 25 (4), 2006
1032006
Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study
A Paarmann, M Gulde, M Müller, S Schäfer, S Schweda, M Maiti, C Xu, ...
Journal of Applied Physics 112 (11), 2012
972012
Nanoscale mapping of ultrafast magnetization dynamics with femtosecond Lorentz microscopy
N Rubiano da Silva, M Möller, A Feist, H Ulrichs, C Ropers, S Schäfer
Physical Review X 8 (3), 031052, 2018
852018
Structure and Electric Properties of SnN Clusters (N = 6−20) from Combined Electric Deflection Experiments and Quantum Theoretical Studies
S Schäfer, B Assadollahzadeh, M Mehring, P Schwerdtfeger, ...
The Journal of Physical Chemistry A 112 (48), 12312-12319, 2008
842008
High-purity free-electron momentum states prepared by three-dimensional optical phase modulation
A Feist, SV Yalunin, S Schäfer, C Ropers
Physical Review Research 2 (4), 043227, 2020
742020
Primary structural dynamics in graphite
S Schäfer, W Liang, AH Zewail
New Journal of Physics 13 (6), 063030, 2011
742011
Relativistic and electron correlation effects in static dipole polarizabilities for the group-14 elements from carbon to element : Theory and experiment
C Thierfelder, B Assadollahzadeh, P Schwerdtfeger, S Schäfer, R Schäfer
Physical Review A—Atomic, Molecular, and Optical Physics 78 (5), 052506, 2008
732008
Nanoscale diffractive probing of strain dynamics in ultrafast transmission electron microscopy
A Feist, N Rubiano da Silva, W Liang, C Ropers, S Schäfer
Structural Dynamics 5 (1), 2018
722018
Light-Induced Metastable Magnetic Texture Uncovered by in situ Lorentz Microscopy
T Eggebrecht, M Möller, JG Gatzmann, N Rubiano da Silva, A Feist, ...
Physical review letters 118 (9), 097203, 2017
672017
An ultrafast electron microscope gun driven by two-photon photoemission from a nanotip cathode
R Bormann, S Strauch, S Schäfer, C Ropers
Journal of Applied Physics 118 (17), 2015
662015
Electronic properties for small tin clusters Snn (n ≤ 20) from density functional theory and the convergence toward the solid state
B Assadollahzadeh, S Schaefer, P Schwerdtfeger
Journal of computational chemistry 31 (5), 929-937, 2010
632010
Polarizabilities of Ba and : Comparison of molecular beam experiments with relativistic quantum chemistry
S Schäfer, M Mehring, R Schäfer, P Schwerdtfeger
Physical Review A—Atomic, Molecular, and Optical Physics 76 (5), 052515, 2007
632007
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