Karsten Holldack
Karsten Holldack
Helmholtz-Zentrum Berlin, Elektronenspeicherring BESSY II
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Femtosecond modification of electron localization and transfer of angular momentum in nickel
C Stamm, T Kachel, N Pontius, R Mitzner, T Quast, K Holldack, S Khan, ...
Nature materials 6 (10), 740-743, 2007
Plasma and Beam Physics-Femtosecond Undulator Radiation from Sliced Electron Bunches
S Khan, K Holldack, T Kachel, R Mitzner, T Quast
Physical Review Letters 97 (7), 74801-74801, 2006
Ultrafast spin transport as key to femtosecond demagnetization
A Eschenlohr, M Battiato, P Maldonado, N Pontius, T Kachel, K Holldack, ...
Nature materials 12 (4), 332-336, 2013
Brilliant, coherent far-infrared (THz) synchrotron radiation
M Abo-Bakr, J Feikes, K Holldack, P Kuske, WB Peatman, U Schade, ...
Physical Review Letters 90 (9), 094801, 2003
Steady-state far-infrared coherent synchrotron radiation detected at BESSY II
M Abo-Bakr, J Feikes, K Holldack, G Wüstefeld, HW Hübers
Physical review letters 88 (25), 254801, 2002
First observation of photons carrying orbital angular momentum in undulator radiation
J Bahrdt, K Holldack, P Kuske, R Müller, M Scheer, P Schmid
Physical Review Letters 111 (3), 034801, 2013
Recent advances in ultrafast X-ray sources
R Schoenlein, T Elsaesser, K Holldack, Z Huang, H Kapteyn, M Murnane, ...
Philosophical Transactions of the Royal Society A 377 (2145), 20180384, 2019
Cyanide single-molecule magnets exhibiting solvent dependent reversible “on” and “off” exchange bias behavior
D Pinkowicz, HI Southerland, C Avendaño, A Prosvirin, C Sanders, ...
Journal of the American Chemical Society 137 (45), 14406-14422, 2015
Operation of the Metrology Light Source as a primary radiation source standard
R Klein, G Brandt, R Fliegauf, A Hoehl, R Müller, R Thornagel, G Ulm, ...
Physical Review Special Topics—Accelerators and Beams 11 (11), 110701, 2008
Femtosecond terahertz radiation from femtoslicing at BESSY
K Holldack, S Khan, R Mitzner, T Quast
Physical review letters 96 (5), 054801, 2006
Ultrafast and distinct spin dynamics in magnetic alloys
I Radu, C Stamm, A Eschenlohr, F Radu, R Abrudan, K Vahaplar, ...
Spin 5 (03), 1550004, 2015
FemtoSpeX: a versatile optical pump–soft X-ray probe facility with 100 fs X-ray pulses of variable polarization
K Holldack, J Bahrdt, A Balzer, U Bovensiepen, M Brzhezinskaya, A Erko, ...
Journal of synchrotron radiation 21 (5), 1090-1104, 2014
THz near-field imaging employing synchrotron radiation
U Schade, K Holldack, P Kuske, G Wüstefeld, HW Hübers
Applied physics letters 84 (8), 1422-1424, 2004
Contrasting behavior of homovalent-substituted and hole-doped systems: O K-edge spectra from LaNi 1− x M x O 3 (M= Mn, Fe, and Co) and La 1− x Sr x MnO 3
DD Sarma, O Rader, T Kachel, A Chainani, M Mathew, K Holldack, ...
Physical Review B 49 (20), 14238, 1994
A model describing stable coherent synchrotron radiation in storage rings
F Sannibale, JM Byrd, A Loftsdottir, M Venturini, M Abo-Bakr, J Feikes, ...
Physical review letters 93 (9), 094801, 2004
Three‐Axis Anisotropic Exchange Coupling in the Single‐Molecule Magnets NEt4[MnIII2(5‐Brsalen)2(MeOH)2MIII(CN)6] (M=Ru, Os)
J Dreiser, KS Pedersen, A Schnegg, K Holldack, J Nehrkorn, M Sigrist, ...
Chemistry–A European Journal 19 (11), 3693-3701, 2013
Ultrafast and energy-efficient quenching of spin order: antiferromagnetism beats ferromagnetism
N Thielemann-Kühn, D Schick, N Pontius, C Trabant, R Mitzner, ...
Physical Review Letters 119 (19), 197202, 2017
Frequency domain Fourier transform THz-EPR on single molecule magnets using coherent synchrotron radiation
A Schnegg, J Behrends, K Lips, R Bittl, K Holldack
Physical Chemistry Chemical Physics 11 (31), 6820-6825, 2009
Characterization of laser-electron interaction at the BESSY II femtoslicing source
K Holldack, T Kachel, S Khan, R Mitzner, T Quast
Physical Review Special Topics—Accelerators and Beams 8 (4), 040704, 2005
Magnetic spectromicroscopy from Fe (100)
CM Schneider, K Holldack, M Kinzler, M Grunze, HP Oepen, F Schäfers, ...
Applied physics letters 63 (17), 2432-2434, 1993
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