Publikationen von Claus Ropers

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), S. 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), S. 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), S. 321 - 326 (2016)

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

Feist, A.; Echternkamp, K.E.; Schauss, J.; Yalunin, S.V.; Schäfer, S.; Ropers, C.: Quantum coherent optical phase modulation in an ultrafast transmission electron microscope. Nature 521 (7551), S. 200 - 203 (2015)

Kusa, F.; Echternkamp, K.E.; Herink, G.; Ropers, C.; Ashihara, S.: Optical field emission from resonant gold nanorods driven by femtosecond mid-infrared pulses. AIP Advances 5 (7), 077138 (2015)

Mey, T.; Zayko, S.; Ropers, C.; Schäfer, B.; Mann, K.: Toroidal grating astigmatism of high-harmonics characterized by EUV Hartmann sensor. Optics Express 23 (12), S. 15310 - 15315 (2015)

Schröder, B.; Sivis, M.; Bormann, R.; Schäfer, S.; Ropers, C.: An ultrafast nanotip electron gun triggered by grating-coupled surface plasmons. Applied Physics Letters 107 (23), 231105 (2015)

Zayko, S.; Mönnich, E.; Sivis, M.; Mai, D.-D.; Salditt, T.; Schäfer, S.; Ropers, C.: Coherent diffractive imaging beyond the projection approximation: Waveguiding at extreme ultraviolet wavelengths. Optics Express 23 (15), S. 19911 - 19921 (2015)

Yu, H. K.; Balasubramanian, K.; Kim, K.; Lee, J. L.; Maiti, M.; Ropers, C.; Krieg, J.; Kern, K.; Wodtke, A. M.: Chemical vapor deposition of graphene on a “peeled-off” epitaxial Cu(111) foil: A simple approach to improved properties. ACS Nano 8 (8), S. 8636 - 8643 (2014)

Gulde, M.; Schweda, S.; Storeck, G.; Maiti, M.; Yu, H. K.; Wodtke, A. M.; Schäfer, S.; Ropers, C.: Ultrafast low-energy electron diffraction in transmission resolves polymer/graphene superstructure dynamics. Science 345 (6193), S. 200 - 204 (2014)