Publications

2018



2017



2016



2015



2014



2013



2012

Structure and short-time dynamics in concentrated suspensions of charged colloids
Authors: F. Westermeier,  B. Fischer, W. Roseker, G. Grübel, G. Nägele, and M. Heinen
Journal: JCP Vol.: 137 Page: 114504 Year: 2012
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Ultrafast optical demagnetization manipulates nanoscale spin structure in domain walls
Authors: B. Pfau, S. Schaffert, L. Müller, C. Gutt, A. Al-Shemmary, F. Büttner, R. Delaunay, S. Düsterer, S. Flewett, R. Frömter, J. Geilhufe, E. Guehrs, C. M. Günther, R. Hawaldar, M. Hille, N. Jaouen, A. Kobs, K. Li, J. Mohanty, H. Redlin, W. F. Schlotter, D. Stickler, R. Treusch, B. Vodungbo, M. Kläui, H. P. Oepen, J. Lüning, G. Grübel, and S. Eisebitt
Journal: Nature Communications Vol.: 3 Page: 1100 Year: 2012
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See also our contribution to the DESY Photon Science 2012 Annual Report:
B. Pfau et al. Moving spins in a labyrinth of magnetic domains - Probing the spatial response during ultrafast magnetization , p. 44.
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Microfocusing transfocator for 1D and 2D compound refractive lenses
Authors: A.V. Zozulya, S. Bondarenko, A. Schavkan, F. Westermeier, G. Grübel, and M. Sprung
Journal: Optics Express Vol.: 20 Page: 18967-18976 Year: 2012
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High wavevector temporal speckle correlations at the Linac Coherent Light Source
Authors: S. Lee, W. Roseker, C. Gutt, Z. Huang, Y. Ding, G. Grübel, and A. Robert
Journal: Optics Express Vol.: 20 Page: 9790-9800 Year: 2012
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High Contrast X-ray Speckle from Atomic-Scale Order in Liquids and Glasses
Authors: S.O. Hruszkewycz, M. Sutton, P.H. Fuoss, B. Adams, S. Rosenkranz, K.F. Ludwig Jr., W. Roseker, D. Fritz, M. Cammarata, D. Zhu, S. Lee,  H. Lemke, C. Gutt, A. Robert, G. Grübel, and G.B. Stephenson
Journal: Phys. Rev. Lett. Vol.: 109 Page: 185502 Year: 2012
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Femtosecond Single-Shot Imaging of Nanoscale Ferromagnetic Order in Co/Pd Multilayers Using Resonant X-Ray Holography
Authors: T. Wang, D. Zhu, B. Wu, C. Graves, S. Schaffert, T. Rander, L. Müller, B. Vodungbo, C. Baumier, D.P. Bernstein, B. Bräuer, V. Cros, S. de Jong, R. Delaunay, A. Fognini, R. Kukreja, S. Lee, V. López-Flores, J. Mohanty, B. Pfau, H. Popescu, M. Sacchi, A.B. Sardinha, F. Sirotti, P. Zeitoun, M. Messerschmidt, J.J. Turner, W.F. Schlotter, O. Hellwig, R. Mattana, N. Jaouen, F. Fortuna, Y. Acremann, C. Gutt, H. A. Dürr, E. Beaurepaire, C. Boeglin, S. Eisebitt, G. Grübel, J. Lüning, J. Stöhr, and A.O. Scherz
Journal: Phys. Rev. Lett. Vol.: 108 Page: 267403 Year: 2012
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See also our contribution to the DESY Photon Science 2012 Annual Report:
T. Wang et al. Femtosecond images of magnetic order - Holography experiments allow recording real space images of magnetic domains with single LCLS pulses, p. 62.
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Single Shot Spatial and Temporal Coherence Properties of the SLAC Linac Coherent Light Source in the Hard X-Ray Regime
Authors: C. Gutt, P. Wochner, B. Fischer, H. Conrad, M. Castro-Colin, S. Lee, F. Lehmkühler, I. Steinke, M. Sprung, W. Roseker, D. Zhu, H. Lemke, S. Bogle, P. H. Fuoss, G. B. Stephenson, M. Cammarata, D. M. Fritz, A. Robert, and G. Grübel
Journal: Phys. Rev. Lett. Vol.: 108 Page: 024801 Year: 2012
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Hard x-ray delay line for x-ray photon correlation spectroscopy and jitter-free pump-probe experiments at LCLS
Authors: W. Roseker, S. Lee, M. Walther, H. Schulte-Schrepping, H. Franz, A. Gray, M. Sikorski, P.H. Fuoss, G.B. Stephenson, A. Robert, and G. Grübel
Journal: SPIE Vol.: 8504 Page: 85040I-1 - 85040I-7 Year: 2012
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2011

Development of a hard X-ray delay line for X-ray photon correlation spectroscopy and jitter-free pump–probe experiments at X-ray free-electron laser sources
Authors: W. Roseker, H. Franz, H. Schulte-Schrepping, A. Ehnes, O. Leupold, F. Zontone, S. Lee, A. Robert, and G. Grübel
Journal: J. Synchr. Rad. Vol.: 18 Page: 481-491 Year: 2011
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Keywords: delay line, hard X-ray beam spitters
Observation of New States of Liquid Crystal 8CB under Nonlinear Shear Conditions as Observed via a Novel and Unique Rheology/ Small-Angle X-ray Scattering Combination
Authors: B. Struth, K. Hyun, E. Kats, T. Meins, M. Walther, M. Wilhelm, and G. Grübel
Journal: Langmuir Vol.: 27 Page: 2880–2887 Year: 2011
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See also our contribution to the DESY Photon Science 2011 Annual Report:
B. Struth et al. Non-linear behaviour of liquid crystals under shear - New insights from a new setup at DORIS III , p.38.
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Domain size in systems with canted magnetization
Authors: D. Stickler, R. Frömter, H. Stillrich, C. Menk, H.P. Oepen, C. Gutt, S. Streit-Nierobisch, L.M. Stadler, G. Grübel, C. Tieg, and F. Yakhou-Harris
Journal: Phys. Rev. B Vol.: 84 Page: 104412 Year: 2011
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Slow aging dynamics and avalanches in a gold-cadmium alloy investigated by X-ray photon correlation spectroscopy
Authors: L. Müller, M. Waldorf, C. Gutt, A. Madsen, G. Grübel, and U. Klemradt
Journal: Phys. Rev. Lett. Vol.: 107 Page: 105701 Year: 2011
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2010

Soft x-ray holographic microscopy
Authors: D. Stickler, R. Frömter, H. Stillrich, C. Menk, C. Tieg, S. Streit-Nierobisch, C. Gutt, L.-M. Stadler, O. Leupold, M. Sprung, G. Grübel, and H. P. Oepen
Journal: Appl. Phys. Lett Vol.: 96 Page: 042501 Year: 2010
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Structure and dynamics of glassy charged colloids studied with coherent small angle X-ray scattering
Authors: B. Fischer, J. Wagner, C. Gutt, F. Westermeier, and G. Grübel
Journal: J. Phys.: Conf. Ser. Vol.: 247 Page: 012026 Year: 2010
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Overcoming the field-of-view restrictions in soft x-ray holographic imaging
Authors: C. Tieg, R. Frömter, D. Stickler, H. Stillrich, C. Menk, S. Streit-Nierobisch, L.-M. Stadler, C. Gutt, O. Leupold, M. Sprung, G. Grübel, and H. P. Oepen
Journal: J. Phys.: Conf. Ser. Vol.: 211 Page: 012024 Year: 2010
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Highly Charged Inorganic-Organic Colloidal Core-Shell Particles
Authors: B. Fischer, T. Autenrith, and J. Wagner
Journal: Langmuir Vol.: 26 Page: 6201-6205 Year: 2010
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Coherent imaging of biological samples with femtoseconds pulses at the free-electron laser FLASH
Authors: A.P. Mancuso, T. Gorniak, F. Staier, O. M. Yefanov, R. Barth, C. Christophis, B. Reime, J. Gulden, A. Singer, M. E. Pettit, T. Nisius, T. Wilhein, C. Gutt, G. Grübel, N. Guerassimova, R. Treusch, J. Feldhaus, S. Eisebitt, E. Weckert, M. Grunze, A. Rosenhahn, and I. A. Vartanyants
Journal: New J. Phys. Vol.: 12 Page: 035003 Year: 2010
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X-ray beams with high coherence
Authors: I. Robinson, G. Grübel, and S. Mochrie
Journal: New J. Phys. Vol.: 12 Page: 035002 Year: 2010
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System-level simulation of a X-ray imager with nonlinear gain and per-pixel digitizer: XPCS case study
Authors: K. Hansen, M. Randall, S. Schleitzer, and C. Gutt
Journal: Nucl. Instr. Methods Vol.: 613 Page: 323 Year: 2010
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Imaging the in-plane magnetization in a Co microstructure by Fourier transform holography
Authors: C. Tieg, R. Frömter, D. Stickler, S. Hankemeier, A. Kobs, S. Streit-Nierobisch, C. Gutt, G. Grübel, and H. P. Oepen
Journal: Optics Express Vol.: 18 Page: 27251-27256 Year: 2010
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Single-pulse resonant magnetic diffraction using a soft x-ray free electron laser
Authors: C. Gutt, S. Streit-Nierobisch, L.-M. Stadler, B. Pfau, C. M. Günther, R. Könnecke, R. Frömter, A. Kobs, D. Stickler, H. P. Oepen, R. R. Fäustlin, R. Treusch, J. Feldhaus, E. Weckert, I. A. Vartanyants, M. Grunze, A. Rosenhahn, T. Wilhein, S. Eisebitt, and G. Grübel
Journal: Phys. Rev. B Vol.: 81 Page: 100401(R) Year: 2010
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See also an APS Viewpoint on science about our FLASH work
A. Kimel, Ultrafast probes for ultrasmall magnets, Physics 3, 20 (2010)

and our contribution to the DESY Photon Science 2010 Annual Report:
C. Gutt et al. Femtosecond snapshots of magnetic domains - Non-destructive single-puls resonant magnetic scattering at FLASH, p. 26.
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2009

Magnetic soft x-ray holography study of focussed ion beam patterned Co/Pt multialyers
Authors: S. Streit-Nierobisch, D. Stickler, C. Gutt, L.-M. Stadler, H. Stillrich, C. Menk, R. Frömter, C. Tieg, O. Leupold, H.P. Oepen, and G. Grübel
Journal: Journal of Applied Physics Vol.: 106 Page: 83909 Year: 2009
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Fast two-dimensional detection for X-ray photon correlation spectroscopy using the PILATUS detector
Authors: F. Westermeier, T. Autenrieth, C. Gutt, O. Leupold, A. Duri, A. Menzel, I. Johnson, C. Broennimann, and G. Grübel
Journal: J. Synchr. Rad. Vol.: 16 Page: 687 Year: 2009
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Atomic diffusion studied with coherent X-rays
Authors: M. Leitner, B. Sepiol, L.-M. Stadler, B. Pfau, and G. Vogl
Journal: Nature Materials Vol.: 8 Page: 717 - 720 Year: 2009
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X-ray spectroscopy: Revealing the atomic dance
Authors: G.B. Stephenson, A. Robert, and G. Grübel
Journal: Nature Materials Vol.: 8 Page: 702 - 703 Year: 2009
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Digital In-line Holography with femtosecond VUV radiation provided by the free electron laser FLASH
Authors: A. Rosenhahn, F. Staier, T. Nisius, D. Schäfer, R. Barth, C. Christophis, L.-M. Stadler, S. Streit-Nierobisch, C. Gutt, A. Mancuso, A. Schropp, J. Gulden, B. Reime, J. Feldhaus, E. Weckert, B. Pfau, C.M. Günther, R. Könnecke, S. Eisebitt, M. Martins, B. Faatz, N. Guerassimova, K. Honkavaara, R. Treusch, E. Saldin, S. Schreiber, E.A. Schneidmiller, M.V. Yurkov, I. Vartanyants, G. Grübel, M. Grunze, and T. Wilhein
Journal: Optics Express Vol.: 17 Page: 8220 Year: 2009
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Measuring Temporal Speckle Correlations at Ultrafast X-ray Sources
Authors: C. Gutt, L.-M. Stadler, A. Duri, T. Autenrieth, O. Leupold, Y. Chushkin, and G. Grübel
Journal: Optics Express Vol.: 17 Page: 55 Year: 2009
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Performance of a picosecond x-ray delay line unit at 8.39 keV
Authors: W. Roseker, H. Franz, H. Schulte-Schrepping, A. Ehnes, O. Leupold, F. Zontone, A. Robert, and G. Grübel
Journal: Opt. Lett. Vol.: 34 Page: 1768-1770 Year: 2009
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Keywords: delay line; ultrafast, x-ray optics

See also our contribution to the DESY Photon Science 2009 Annual Report:
W. Roseker et al. A picosecond hard X-ray delay line - A tool for studying ultrafast dynamics , p. 48.
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A novel X-ray cross correlation analysis uncovers hidden local symmetries in disordered materials
Authors: P. Wochner, C. Gutt, T. Autenrieth, T. Demmer, V. Bugaev, A. Diaz-Ortiz, A. Duri, F. Zontone, G. Grübel, and H. Dosch
Journal: Proceedings of the National Academy of Science (PNAS) Vol.: 106 Page: 11511 Year: 2009
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Read a commentary to our PNAS paper by S.K. Sinha,

see our contribution to the DESY Photon Science 2009 Annual Report:
P. Wochner et al. Hidden local symmetries in disordered matter - Order in disorder uncovered by X-ray speckle cross correlation , p. 56,

and our contribution to the ESRF Highlights 2009:
P. Wochner et al. Finding order in disorder by X-ray speckle cross-correlation, p. 59.
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Resonant Magnetic Scattering with Femtosecond soft X-ray pulses from a free electron laser operating at 1.59 nm
Authors: C. Gutt, L.-M. Stadler, S. Streit-Nierobisch, A.P. Mancuso, A. Schropp, B. Pfau, C. M. Günther, R. Könnecke, J. Gulden, B. Reime, J. Feldhaus, E. Weckert, I.A. Vartanyants, O. Hellwig, F. Staier, R. Barth, M. Grunze, A. Rosenhahn, D. Stickler, H. Stillrich, R. Frömter, H.P. Oepen, M. Martins, T. Nisius, T. Wilhein, B. Faatz, N. Guerassimova, K. Honkavaara, V. Kocharyan, R. Treusch, E. Saldin, S. Schreiber, E.A. Schneidmiller, M.V. Yurkov, S. Eisebitt, and G. Grübel
Journal: Phys. Rev. B Vol.: 79 Page: 212406 Year: 2009
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See also our contribution to the DESY Photon Science 2009 Annual Report:
C. Gutt et al. FLASH light on magnetic materials - First resonant magnetic scattering experiments at FLASH, p. 30.
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Two dimensional heterogeneous dynamics at the surface of a colloidal suspension
Authors: A. Duri, T. Autenrieth, L.M. Stadler, Y. Chuskin, O. Leupold, G. Grübel, and C. Gutt
Journal: Phys. Rev. Lett. Vol.: 102 Page: 145701 Year: 2009
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Coherent-Pulse 2D Crystallography at Free Electron Lasers
Authors: A. P. Mancuso, A. Schropp, B. Reime, L.-M. Stadler, A. Singer, J. Gulden, S. Streit-Nierobisch, C. Gutt, G. Grübel, J. Feldhaus, F. Staier, R. Barth, A. Rosenhahn, M. Grunze, T. Nisius, T. Wilhein, D. Stickler, H. Stillrich, R. Frömter, H.-P. Oepen, M. Martins, B. Pfau, C.M. Günther, R. Könnecke, S. Eisebitt, B. Faatz, N. Guerassimova, K. Honkavaara, V. Kocharyan, R. Treusch, E. Saldin, S. Schreiber, E.A. Schneidmiller, M.V. Yurkov, E. Weckert, and I.A. Vartanyants
Journal: Phys. Rev. Lett. Vol.: 102 Page: 035502 Year: 2009
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See also our contribution to the DESY Photon Science 2009 Annual Report:
A.P. Mancuso et al. Coherent-pulse 2D crystallography at free-electron lasers - Towards higher resolution at the world’s brightest light sources , p. 34.
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Fourier Transform Holography in the context of coherent diffraction imaging with hard X-rays
Authors: L.-M. Stadler, C. Gutt, T. Autenrieth, O. Leupold, S. Rehbein, Y. Chuskin, and G. Grübel
Journal: Physica Status Solidi A Vol.: 206 Page: 1846 Year: 2009
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2008

X-Ray Photon Correlation Spectroscopy at the European X-Ray Free-Electron Laser (XFEL) facility
Authors: G. Grübel
Journal: Comptes Rendus Physique Vol.: 9 Page: 668–680 Year: 2008
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Dynamics in dense suspensions of charge-stabilized colloidal particles
Authors: A. Robert, J. Wagner, W. Härtl, T. Autenrieth, and G. Grübel
Journal: European Physical Journal E Vol.: 25 Page: 77–81 Year: 2008
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Effects of partial coherence on correlation functions measured by x-ray photon correlation spectroscopy
Authors: C. Gutt, T. Ghaderi, M. Tolan, S.K. Sinha, and G. Grübel
Journal: Phys. Rev. B Vol.: 77 Page: 094133 Year: 2008
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Hard X-ray Holographic Diffractive Imaging
Authors: L.-M. Stadler, C. Gutt, T. Autenrieth, O. Leupold, S. Rehbein, Y. Chuskin, and G. Grübel
Journal: Phys. Rev. Lett. Vol.: 100 Page: 245503 Year: 2008
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See also our contribution to the DESY Photon Science 2008 Annual Report:
C. Gutt et al. Hard X-ray holographic diffraction imaging - Lensless imaging for determining electron density profiles on the nanoscale , p. 46.
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Book chapter:  X-Ray Photon Correlation Correlation Spectroscopy (XPCS)

Authors: G. Grübel, A. Madsen, and A. Robert

in: R. Borsali, B. Percora (Eds.), "Soft Matter Characterization", Springer

Chapter: 18                          pages: 953-995                        Year: 2008

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2007

In situ observation of nanoparticle ordering at the air-water-substrate boundary in colloidal solutions using x-ray nanobeams
Authors: S.V. Roth, T. Autenrieth, G. Grübel, C. Riekel, M. Burghammer, R. Hengstler, L. Schulz, and P. Müller-Buschbaum
Journal: Appl. Phys. Lett Vol.: 91 Page: 091915 Year: 2007
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XPCS at the European X-ray free electron laser facility
Authors: G. Grübel, G.B. Stephenson, C. Gutt, H. Sinn, and T. Tschentscher
Journal: Nucl. Instr. Methods Vol.: 262 Page: 357 Year: 2007
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X-ray fluorescence correlation spectroscopy – a tool to study element-specific dynamics
Authors: O. Leupold, G. Grübel, S. V. Roth, C. Schroer, W. Roseker, M. Sikorski, and A. Robert
Journal: J. Appl. Cryst. Vol.: 40 Page: 283 Year: 2007
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The dynamic behavior of magnetic colloids in suspension
Authors: T. Autenrieth, A. Robert, J. Wagner, and G. Grübel
Journal: J. Appl. Cryst. Vol.: 40 Page: 250 Year: 2007
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Surface XPCS on nanometer length scales - What can we expect from an X-ray free electron laser ?
Authors: C. Gutt, O. Leupold, and G. Grübel
Journal: Thin Solid Films Vol.: 515 Page: 5532 Year: 2007
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2006

Field induced anisotropy of charged magnetic colloids: A rescaled mean spherical approximation study
Authors: J. Wagner, B. Fischer, and T. Autenrith
Journal: JCP Vol.: 124 Page: 114901 Year: 2006
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The semi-transparent diamond monochromator at the ESRF Troika beamlines
Authors: M. Mattenet, O. Konovalov, A. Madsen, and G. Grübel
Journal: Macromolecular Research Vol.: 14 Page: 473-477 Year: 2006
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2005

Coherent X-rays as a new probe for the investigation of the dynamics of opaque colloidal suspensions
Authors: A. Robert, J. Wagner, T. Autenrieth, W. Härtl, and G. Grübel
Journal: Journal of Magnetism and Magnetic Materials Vol.: 289 Page: 47-49 Year: 2005
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Structure and dynamics of complex liquids with magnetic dipole-dipole interactions by means of static and dynamic X-ray scattering
Authors: J. Wagner, T. Autenrieth, A. Robert, W. Härtl, and G. Grübel
Journal: Journal of Magnetism and Magnetic Materials Vol.: 289 Page: 54-57 Year: 2005
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Grazing-incidence scattering of coherent X-rays from a liquid surface
Authors: A. Madsen, T. Seydel, M. Tolan, and G. Grübel
Journal: J. Synchr. Rad. Vol.: 12 Page: 786-794 Year: 2005
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Determination of nanocrystal sizes: A comparison of TEM, SAXS, and XRD studies of highly monodisperse COPt3 particles
Authors: H. Borchert, E.V. Shevchenko, A. Robert, I. Mekis, A. Kornowski, G. Grübel, and H. Weller
Journal: Langmuir Vol.: 21 Page: 1931-1936 Year: 2005
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