Journal Article (127)

51.
Journal Article
Von Witte, G.; Kißlinger, T.; Horstmann, J.G.; Rossnagel, K.; Schneider, M.A.; Ropers, C.; Hammer, L.: Surface structure and stacking of the commensurate (√13×√13)R13.9 charge density wave phase of 1T−TaS2(0001). Physical Review B 100 (15), 155407 (2019)
52.
Journal Article
Feist, A.; Rubiano Da Silva, N.; Liang, W.; Ropers, C.; Schäfer, S.: Nanoscale diffractive probing of strain dynamics in ultrafast transmission electron microscopy. Structural Dynamics 5 (1), 014302 (2018)
53.
Journal Article
Feist, A.; Storeck, G.; Schäfer, S.; Ropers, C.: Structural dynamics probed by high-coherence electron pulses. MRS Bulletin 43 (7), pp. 504 - 511 (2018)
54.
Journal Article
Rubiano Da Silva, N.; Möller, M.; Feist, A.; Ulrichs, H.; Ropers, C.; Schäfer, S.: Nanoscale Mapping of Ultrafast Magnetization Dynamics with Femtosecond Lorentz Microscopy. Physical Review X 8 (3), 031052 (2018)
55.
Journal Article
Sivis, M.; Pazos-Perez, N.; Yu, R.; Alvarez-Puebla, R.; García de Abajo, F.J.; Ropers, C.: Continuous-wave multiphoton photoemission from plasmonic nanostars. Communications Physics 1 (1), 13 (2018)
56.
Journal Article
Vogelgesang, S.; Storeck, G.; Horstmann, J.G.; Diekmann, T.; Sivis, M.; Schramm, S.; Rossnagel, K.; Schäfer, S.; Ropers, C.: Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction. Nature Physics 14 (2), pp. 184 - 190 (2018)
57.
Journal Article
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)
58.
Journal Article
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)
59.
Journal Article
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)
60.
Journal Article
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)
61.
Journal Article
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)
62.
Journal Article
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)
63.
Journal Article
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)
64.
Journal Article
Storeck, G.; Vogelgesang, S.; Sivis, M.; Schafer, S.; Ropers, C.: Nanotip-based photoelectron microgun for ultrafast LEED. Structural Dynamics 4 (4), 044024 (2017)
65.
Journal Article
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)
66.
Journal Article
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)
67.
Journal Article
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 Mn0.25TaS2 and Fe0.25TaS2. Journal of Physics: Condensed Matter 28 (35), 356002 (2016)
68.
Journal Article
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)
69.
Journal Article
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)
70.
Journal Article
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)
71.
Journal Article
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)
72.
Journal Article
Ropers, C.: Electrons catch a terahertz wave: Far-infrared fi elds control ultrashort electron pulses. Science 352 (6284), pp. 410 - 411 (2016)
73.
Journal Article
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)
74.
Journal Article
Zayko, S.; Sivis, M.; Schäfer, S.; Ropers, C.: Polarization contrast of nanoscale waveguides in high harmonic imaging. Optica 3 (3), pp. 239 - 242 (2016)
75.
Journal Article
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)
76.
Journal Article
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)
77.
Journal Article
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), pp. 200 - 203 (2015)
78.
Journal Article
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)
79.
Journal Article
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), pp. 15310 - 15315 (2015)
80.
Journal Article
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)
81.
Journal Article
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), pp. 19911 - 19921 (2015)
82.
Journal Article
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), pp. 8636 - 8643 (2014)
83.
Journal Article
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), pp. 200 - 204 (2014)
84.
Journal Article
Gatzmann, J.G.; Eggebrecht, T.; Feist, A.; Zbarsky, V.; Münzenberg, M.; Ropers, C.; Schäfer, S.: In-Situ lorentz microscopy with femtosecond optical illumination. Microscopy and Microanalysis 20 (3), pp. 1578 - 1579 (2014)
85.
Journal Article
Herink, G.; Wimmer, L.; Ropers, C.: Field emission at terahertz frequencies: AC-tunneling and ultrafast carrier dynamics. New Journal of Physics 16, 123005 (2014)
86.
Journal Article
Wimmer, L.; Herink, G.; Solli, D.R.; Yalunin, S.V.; Echternkamp, K.E.; Ropers, C.: Terahertz control of nanotip photoemission. Nature Physics 10 (6), pp. 432 - 436 (2014)
87.
Journal Article
Yalunin, S. V.; Herink, G.; Solli, D. R.; Krüger, M.; Hommelhoff, P.; Diehn, M.; Munk, A.; Ropers, C.: Field localization and rescattering in tip-enhanced photoemission. Annalen der Physik 525 (1-2), pp. L12 - L18 (2013)
88.
Journal Article
Devore, P.T.S.; Solli, D.R.; Borlaug, D.; Ropers, C.; Jalali, B.: Rogue events and noise shaping in nonlinear silicon photonics. Journal of Optics 15 (6), 064001 (2013)
89.
Journal Article
Sivis, M.; Duwe, M.; Abel, B.; Ropers, C.: Extreme-ultraviolet light generation in plasmonic nanostructures. Nature Physics 9 (5), pp. 304 - 309 (2013)
90.
Journal Article
Sivis, M.; Ropers, C.: Generation and bistability of a waveguide nanoplasma observed by enhanced extreme-ultraviolet fluorescence. Physical Review Letters 111 (8), 085001 (2013)
91.
Journal Article
Solli, D.R.; Ropers, C.; Jalali, B.: Measuring single-shot modulation instability and supercontinuum spectra at megahertz rates. Nonlinearity 26 (3), pp. R85 - R92 (2013)
92.
Journal Article
Paarmann, A.; Gulde, M.; Müller, M.; Schäfer, S.; Schweda, S.; Maiti, M.; Xu, C.; Hohage, T.; Schenk, F.; Ropers, C. et al.; Ernstorfer, R.: Coherent femtosecond low-energy single-electron pulses for time-resolved diffraction and imaging: A numerical study. Journal of Applied Physics 112 (11), 113109 (2012)
93.
Journal Article
Devore, P.T.S.; Solli, D.R.; Ropers, C.; Koonath, P.; Jalali, B.: Stimulated supercontinuum generation extends broadening limits in silicon. Applied Physics Letters 100 (10), 101111 (2012)
94.
Journal Article
Herink, G.; Solli, D.R.; Gulde, M.; Ropers, C.: Field-driven photoemission from nanostructures quenches the quiver motion. Nature 483 (7388), pp. 190 - 193 (2012)
95.
Journal Article
Sivis, M.; Duwe, M.; Abel, B.; Ropers, C.: Nanostructure-enhanced atomic line emission. Nature 485 (7397), pp. E1 - E2 (2012)
96.
Journal Article
Solli, D.R.; Herink, G.; Jalali, B.; Ropers, C.: Fluctuations and correlations in modulation instability. Nature Photonics 6 (7), pp. 463 - 468 (2012)
97.
Journal Article
Breusing, M.; Kuehn, S.; Winzer, T.; Malić, E.; Milde, F.; Severin, N.; Rabe, J.P.; Ropers, C.; Knorr, A.; Elsaesser, T.: Ultrafast nonequilibrium carrier dynamics in a single graphene layer. Physical Review B 83 (15), 153410 (2011)
98.
Journal Article
Yalunin, S.V.; Gulde, M.; Ropers, C.: Strong-field photoemission from surfaces: Theoretical approaches. Physical Review B 84 (19), 195426 (2011)
99.
Journal Article
Bormann, R.; Gulde, M.; Weismann, A.; Yalunin, S.V.; Ropers, C.: Tip-enhanced strong-field photoemission. Physical Review Letters 105 (14), 147601 (2010)
100.
Journal Article
Jalali, B.; Solli, D.R.; Goda, K.; Tsia, K.; Ropers, C.: Real-time measurements, rare events and photon economics. European Physical Journal - Special Topics 185 (1), pp. 145 - 157 (2010)
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