Benedikt Roesner.jpg

Dr. Benedikt Rösner

PostDoc X-ray Optics Group

Paul Scherrer Institut
Laboratory for Micro- and Nanotechnology
ODRA / 106
5232 Villigen PSI

Telephone: +41 56 310 2454


Highlights and Research

Highly resolving Fresnel zone plates with zone width below 10 nm and diameters of 240 µm for practical use in nanoimaging
9 nm ZP.jpg A 9 nm zone plate - diameter: 240 µm, outermost zone width: 8.8 nm, energy correction: 750 eV
Single shot, time resolved demagnetization dynamics at free electron lasers
Sub-10 nm test objects
5 nm test pattern.jpg A test pattern for resolution tests - 5 nm iridium-doubled lines on an HSQ template, height of approx. 70 nm

  • Electron beam nanolithography
  • Fresnel zone plates for soft X-ray applications
  • Single-digit nanolithography and line doubling
  • NFFA nanosciecne foundries & fine analysis


Benedikt Rösner
Dr. rer. nat.
Scientific Research
Jan 2016 - up to now PostDoc in the X-ray Optics and Applications group at the Paul Scherrer Institut
Academic background
Oct 2011 - Dec 2015 Dissertation at the Friedrich-Alexander-Universität Erlangen-Nürnberg in Physical Chemistry
"Microspectroscopic Insights into the Electronic Switching of Organic and Metal-Organic Nanostructures"
Oct 2006 - Sep 2011 Bachelor and Master studies in chemistry at the FAU Erlangen-Nürnberg
Jul 2010 - Jan 2011 Research semester at the University of Wollongong, Australia
Community service and school education
May 2006 - Sep 2006 Employment as ambulance officer
Aug 2005 - Apr 2006 Community service as ambulance assistant
Sep 1996 - Jul 2005 Gymnasium with focus on natural sciences
Scientific societies and programs
Mar 2013 HERCULES School at the ESRF and ILL facilities in Grenoble
Feb 2013 TEM School at the Center for Nanoanalysis and Electron Microscopy
  Deutsche Physikalische Gesellschaft (DPG)



P. R. Ribič, B. Rösner, D. Gauthier, E. Allaria, F. Döring, L. Foglia, L. Gianessi, N. Mahne, M. Manfredda, C. Masciovecchio,
R. Mincigrucci, N. Mirian, E. Principi, E. Roussel, A. Simoncig, S. Spampinati, C. David, G. de Ninno
Extreme-Ultraviolet Vortices from a Free-Electron Laser
Physical Review X, under review.

F. Marschall , Z. Yin , M. Beye , J. Buck , F. Döring , V. A. Guzenko , K. Kubicek , J. Rehanek , D. Raiser , B. Rösner ,
A. Rothkirch , S. T. Veedu , J. Viefhaus , C. David, S. Techert
Transmission zone plates as analyzers for efficient parallel 2D RIXS-mapping
Scientific Reports, 7, 2017, 8849

F. Marschall, D. McNally, V. A. Guzenko, B. Rösner, M. Dantz, X. Lu, L. Nue, V. Strocov, T. Schmitt, C. David
Zone plates as imaging analyzers for resonant inelastic x-ray scattering
Optics Express, 25, 2017, 15624

I. Mohacsi, I. Vartiainen, B. Rösner, M. Guizar-Sicairos, V. A. Guzenko, I. McNulty, R. Winarski, M. V. Holt, C. David
Interlaced zone plate optics for hard X-ray imaging in the 10 nm range
Scientific Reports, 7, 2017, 43624


B. Rösner, U. Schmidt, R. H. Fink
In-operando studies of Ag-TCNQ nanocrystals using Raman and soft x-ray microspectroscopy
XRM Conference Proceedings, accepted

K. Ran, B. Rösner, B. Butz, R. H. Fink, E. Spiecker
Switching behaviour of individual Ag-TCNQ nanowires: An in situ transmission electron microscopy study
Nanotechnology 27, 2016, 425703


B. Rösner, M. Milek, A. Witt, B. Gobaut, P. Torelli, R. H. Fink, M. M. Khusniyarov
Reversible Photoswitching of a Spin-Crossover Molcular Complex in the Solid State at Room Temperature
Angewandte Chemie Int. Ed. 54, 2015, 12976-12980

B. Rösner, K. Ran, B. Butz, U. Schmidt, E. Spiecker, R. H. Fink
A microspectroscopic insight into the resistivity switching of individual Ag-TCNQ nanocrystals
Physical Chemistry Chemical Physics 17, 2015, 18278-18281

N. Zeilmann, B. Rösner, A. Späth, U. Schmidt, R. H. Fink
Nanomorphology in thin films of acetamide end-functionalised quaterthiophene
Thin Solid Films 583, 2015, 108-114


B. Rösner, D. M. Guldi, J. Chen, A. I. Minett, R. H. Fink
Dispersion and Characterization of Arc Discharge Singe-Walled Carbon Nanotubes - Towards Conducting Transparent Films
Nanoscale 6, 2014, 3695-3703

B. Rösner, N. Zeilmann, U. Schmidt, R. H. Fink
Employing microspectroscopy to track charge trapping in operating pentacene OFETs
Organic Electronics 15, 2014, 435-440


B. Rösner, A. Späth, R. H. Fink
The role of solvation effects in the growth of TCNQ-based charge-transfer salts
Journal of Crystal Growth 380, 2013, 34-38

J. Forster, B. Rösner, R. H. Fink, L. C. Nye, I. Ivanovic-Burmazovic, K. Kastner, J. Tucher, C. Streb
Oxidation-driven self-assembly gives access to high-nuclearity molecular copper vanadium oxide clusters
Chemical Science 4, 2013, 418-424


J. Forster, B. Rösner, M. M. Khusniyarov, C. Streb
Tuning the light absorption of vanadium clusters
Chemical Communications 47, 2011, 3114-3116