Publications of Claus Ropers

Danz, T.; Neff, A.; Gaida, J.H.; Bormann, R.; Ropers, C.; Schäfer, S.: Ultrafast sublattice pseudospin relaxation in graphene probed by polarization-resolved photoluminescence. Physical Review B 95 (24), 241412(R) (2017)

Eggebrecht, T.; Möller, M.; Gatzmann, J.G.; Rubiano Da Silva, N.; Feist, A.; Martens, U.; Ulrichs, H.; Münzenberg, M.; Ropers, C.; Schäfer, S.: Light-Induced Metastable Magnetic Texture Uncovered by in situ Lorentz Microscopy. Physical Review Letters 118 (9), 097203 (2017)

Feist, A.; Bach, N.; Rubiano da Silva, N.; Danz, T.; Möller, M.; Priebe, K.E.; Domröse, T.; Gatzmann, J.G.; Rost, S.; Schauss, J. et al.; Strauch, S.; Bormann, R.; Sivis, M.; Schäfer, S.; Ropers, C.: Ultrafast transmission electron microscopy using a laser-driven field emitter: Femtosecond resolution with a high coherence electron beam. Ultramicroscopy 176, pp. 63 - 73 (2017)

Herink, G.; Kurtz, F.; Jalali, B.; Solli, D.R.; Ropers, C.: Real-time spectral interferometry probes the internal dynamics of femtosecond soliton molecules. Science 356 (6333), pp. 50 - 54 (2017)

Kfir, O.; Zayko, S.; Nolte, C.; Sivis, M.; Möller, M.; Hebler, B.; Arekapudi, S.S.P.K.; Steil, D.; Schäfer, S.; Albrecht, M. et al.; Cohen, O.; Mathias, S.; Ropers, C.: Nanoscale magnetic imaging using circularly polarized high-harmonic radiation. Science Advances 3 (12), eaao4641 (2017)

Priebe, K.E.; Rathje, C.; Yalunin, S.V.; Hohage, T.; Feist, A.; Schäfer, S.; Ropers, C.: Attosecond electron pulse trains and quantum state reconstruction in ultrafast transmission electron microscopy. Nature Photonics 11 (12), pp. 793 - 797 (2017)

Sivis, M.; Taucer, M.; Vampa, G.; Johnston, K.; Staudte, A.; Naumov, A.Y.; Villeneuve, D.M.; Ropers, C.; Corkum, P.B.: Tailored semiconductors for high-harmonic optoelectronics. Science 357 (6348), pp. 303 - 306 (2017)

Storeck, G.; Vogelgesang, S.; Sivis, M.; Schafer, S.; Ropers, C.: Nanotip-based photoelectron microgun for ultrafast LEED. Structural Dynamics 4 (4), 044024 (2017)

Wimmer, L.; Karnbach, O.; Herink, G.; Ropers, C.: Phase space manipulation of free-electron pulses from metal nanotips using combined terahertz near fields and external biasing. Physical Review B 95 (16), 165416 (2017)

Wimmer, L.; Schröder, B.; Sivis, M.; Herink, G.; Ropers, C.: Clocking plasmon nanofocusing by THz near-field streaking. Applied Physics Letters 111 (13), 131102 (2017)

Danz, T.; Liu, Q.; Zhu, X.D.; Wang, L.H.; Cheong, S.W.; Radu, I.; Ropers, C.; Tobey, R.I.: Structural and magnetic characterization of large area, free-standing thin films of magnetic ion intercalated dichalcogenides Mn_0.25TaS₂ and Fe_0.25TaS₂. Journal of Physics: Condensed Matter 28 (35), 356002 (2016)

Echternkamp, K.E.; Feist, A.; Schäfer, S.; Ropers, C.: Ramsey-type phase control of free-electron beams. Nature Physics 12 (11), pp. 1000 - 1004 (2016)

Echternkamp, K.E.; Herink, G.; Yalunin, S.V.; Rademann, K.; Schäfer, S.; Ropers, C.: Strong-field photoemission in nanotip near-fields: from quiver to sub-cycle electron dynamics. Applied Physics B: Lasers and Optics 122 (4), 80 (2016)

Gulde, M.; Rissanou, A.N.; Harmandaris, V.; Müller, M.; Schäfer, S.; Ropers, C.: Dynamics and Structure of Monolayer Polymer Crystallites on Graphene. Nano Letters 16 (11), pp. 6994 - 7000 (2016)

Herink, G.; Jalali, B.; Ropers, C.; Solli, D.R.: Resolving the build-up of femtosecond mode-locking with single-shot spectroscopy at 90 MHz frame rate. Nature Photonics 10 (5), pp. 321 - 326 (2016)

Ropers, C.: Electrons catch a terahertz wave: Far-infrared fi elds control ultrashort electron pulses. Science 352 (6284), pp. 410 - 411 (2016)

Yalunin, S.V.; Schröder, B.; Ropers, C.: Theory of electron energy loss near plasmonic wires, nanorods, and cones. Physical Review B 93 (11), 115408 (2016)

Zayko, S.; Sivis, M.; Schäfer, S.; Ropers, C.: Polarization contrast of nanoscale waveguides in high harmonic imaging. Optica 3 (3), pp. 239 - 242 (2016)

Schröder, B.; Weber, T.; Yalunin, S. V.; Kiel, T.; Matyssek, C.; Sivis, M.; Schäfer, S.; von Cube, F.; Irsen, S.; Busch, K. et al.; Ropers, C.; Linden, a. S.: Real-space imaging of nanotip plasmons using electron energy loss spectroscopy. Physical Review B 92, 085411 (2015)

Bormann, R.; Strauch, S.; Schäfer, S.; Ropers, C.: An ultrafast electron microscope gun driven by two-photon photoemission from a nanotip cathode. Journal of Applied Physics 118 (17), 173105 (2015)