Publications

2019

"Surface resonance of the (2x1) reconstructed lanthanum hexaboride (001)-cleavage plane: A combined STM and DFT study"
P. Buchsteiner, F. Sohn, J.G. Horstmann, J. Voigt, M. Ciomaga Hatnean, G. Balakrishnan, C. Ropers, P.E. Blöchl, M. Wenderoth
Phys. Rev. B 100, 205407 (2019) [arXiv]

"Holograms from electrons scattered by light"
C. Ropers
Nature 571, 331-332 (2019)

"Surface structure and stacking of the commensurate (sqrt(13) x sqrt(13))R13.9° charge density wave phase of 1T-TaS2(0001)"
G. von Witte, T. Kißlinger, J. G. Horstmann, K. Rossnagel, M. A. Schneider, C. Ropers, L. Hammer
Phys. Rev. B 100, 155407 (2019)

"Coulomb interactions in high-coherence femtosecond electron pulses from tip emitters"  openaccess
N. Bach, T. Domröse, A. Feist, T. Rittmann, S. Strauch, C. Ropers and S. Schäfer
Struct. Dyn. 6, 014301 (2019)

 

2018

"Structural dynamics probed by high-coherence electron pulses"
A. Feist, G. Storeck, S. Schaefer, and C. Ropers
MRS Bull. 43, 504-511 (2018)

 "Nanoscale mapping of ultrafast magnetization dynamics with femtosecond Lorentz microscopy"  openaccess
N. Rubiano da Silva, M. Moeller, A. Feist, H. Ulrichs, C. Ropers, and S. Schaefer
Phys. Rev. X 8, 031052 (2018) [arXiv]

"Nanoscale diffractive probing of strain dynamics in ultrafast transmission electron microscopy"  openaccess
A. Feist, N. Rubiano da Silva, W. Liang, C. Ropers, S. Schaefer
Struct. Dyn. 5, 014302 (2018) [arXiv]

 "Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction"
S. Vogelgesang, G. Storeck, J. G. Horstmann, T. Diekmann, M. Sivis, S. Schramm, K. Rossnagel, S. Schaefer, C. Ropers
Nat. Phys. 14, 184 (2018) [arXiv]

 "Continuous-Wave Multiphoton Photoemission from Plasmonic Nanostars"  openaccess
M. Sivis, N. Pazos-Perez, R. Yu, R. Alvarez-Puebla, F. J. Garcia de Abajo, and C. Ropers
Commun. Phys. 1, 13 (2018)

 

2017

"Ultrafast transmission electron microscopy using a laser-driven field emitter: Femtosecond resolution with a high coherence electron beam"  openaccess
A. Feist, N. Bach, N. R. da Silva, Th. Danz, M. Moeller, K. E. Priebe, T. Domroese, J. G. Gatzmann, S. Rost, J. Schauss, S. Strauch, R. Bormann, M. Sivis, S. Schaefer, C. Ropers
Ultramicroscopy 176, 63-73 (2017) [arXiv]

"Light-Induced Metastable Magnetic Texture Uncovered by in situ Lorentz Microscopy"
T. Eggebrecht, M. Moeller, J. G. Gatzmann, N. Rubiano da Silva, A. Feist, U. Martens, H. Ulrichs, M. Muenzenberg, C. Ropers, S. Schaefer
Phys. Rev. Lett. 118, 097203 (2017)

"Real-time spectral interferometry probes the internal dynamics of femtosecond soliton molecules"
G. Herink, F. Kurtz, B. Jalali, D. R. Solli, C. Ropers
Science 356, 50-53 (2017)

"Phase space manipulation of free-electron pulses from metal nanotips using combined terahertz near fields and external biasing"
L. Wimmer, O. Karnbach, G. Herink, C. Ropers
Phys. Rev. B 95, 165416 (2017) [PDF]

"Nanotip-based photoelectron microgun for ultrafast LEED"  openaccess
G. Storeck, S. Vogelgesang, M. Sivis, S. Schaefer, C. Ropers
Struct. Dyn. 4, 044024 (2017) [PDF]

"Ultrafast sublattice pseudospin relaxation in graphene probed by polarization-resolved photoluminescence"
Th. Danz, A. Neff, J. H. Gaida, R. Bormann, C. Ropers, S. Schäfer
Phys. Rev. B 95, 241412 (2017) [arXiv]

"Tailored semiconductors for high-harmonic optoelectronics"
M. Sivis, M. Taucer, G. Vampa, K. Johnston, A. Staudte, A. Y. Naumov, D. M. Villeneuve, C. Ropers, P. B. Corkum
Science 357, 303-306 (2017)

"Clocking plasmon nanofocusing by THz near-field streaking"
L. Wimmer, B. Schroeder, M. Sivis, G. Herink, C. Ropers
Appl. Phys. Lett. 111, 131102 (2017)

 "Nanoscale magnetic imaging using circularly polarized high-harmonic radiation"
O. Kfir, S. Zayko, C. Nolte, M. Sivis, M. Moeller, B. Hebler, S. S. P. K. Arekapudi, D. Steil, S. Schaefer, M. Albrecht, O. Cohen, S. Mathias, C. Ropers
Sci. Adv. 3, eaao4641 (2017) [arXiv]

 "Attosecond electron pulse trains and quantum state reconstruction in ultrafast transmission electron microscopy"
K. E. Priebe, C. Rathje, S. V. Yalunin, T. Hohage, A. Feist, S. Schaefer, C. Ropers
Nat. Photonics 11, 793-797 (2017) [arXiv]

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