Dr. Armin Kleibert

photo of Armin Kleibert Scientist
Microscopy & Magnetism Group

Paul Scherrer Institute
WSLA/106
5232 Villigen PSI
Switzerland

Telephone: +41 56 310 5527
E-mail: armin.kleibert@psi.ch





Research Interests

  • Size-dependent correlation of morphology, structure and magnetic properties of nanoparticles.
  • Soft X-ray absorption spectroscopy and microscopy.
  • Magnetism at surfaces and interfaces.
  • Ultrafast magnetic phenomena.
  • Magneto-optics in the EUV and soft X-ray regime.
  • Catalytic activity of nanoparticles.

CV

Education
  • Ph.D. in Experimental Physics, University of Rostock, Germany, January 2006, “Mass-filtered iron nanoparticles in contact with ultrathin Co films - an in situ study using soft X-rays.”, supervisor Prof. K.-H. Meiwes-Broer.
  • Diploma in Physics, University of Rostock, Germany, December 2001, “Magneto-optical investigations on ultrathin Co films on W(110) using visible light and soft X-rays”, supervisor Prof. K.-H. Meiwes-Broer.
Current position Research Positions
  • 2008 – 2010: Postdoctoral fellow in the Microscopy and Magnetism group (Prof. F. Nolting) at the Swiss Light Source, Paul Scherrer Institut, Switzerland.
  • 2006 – 2008: Postdoctoral fellow in the Clusters and Nanostructures group (Prof. K.-H. Meiwes-Broer) at the University of Rostock, Germany.

Publications

Selected publications, for a full list see here.
  • Direct observation of enhanced magnetism in individual size- and shape-selected 3d transition metal nanoparticles, A. Kleibert, A. Balan, R. Yanes, P. M. Derlet, C. A. F. Vaz, M. Timm, A. Fraile Rodríguez, A. Béché, J. Verbeeck, R. S. Dhaka, M. Radovic, U. Nowak, and F. Nolting, Phys. Rev. B 95, 195404 (2017).
  • Direct observation of magnetic metastability in individual iron nanoparticles, A. Balan, P. M. Derlet, A. Fraile Rodríguez, J. Bansmann, R. Yanes, U. Nowak, A. Kleibert, and F. Nolting, Phys. Rev. Lett. 112, 107201 (2014).
  • Size-dependent selectivity and activity of silver nanoclusters in the partial oxidation of propylene to propylene oxide and acrolein: A joint experimental and theoretical study, L. Molina, S. Lee, K. Sell, G. Barcaro, A. Fortunelli, B. Lee, S. Seifert, R. E. Winans, J. Elam, M. J. Pellin, I. Barke, V. von Oeynhausen, Yu Lei, R. J. Meyer, J. A. Alonso, A. Fraile-Rodríguez, A. Kleibert, S. Giorgio, C. R. Henry, K.-H. Meiwes-Broer, and S.Vajda, Catalysis Today 160, 116 (2011).
  • Size-dependent spin structures in iron nanoparticles, A. Fraile Rodríguez, A. Kleibert, J. Bansmann, A. Voitkans, L. J. Heyderman, and F. Nolting, Phys. Rev. Lett. 104, 127201 (2010).
  • Quadratic X-ray magneto-optical effect upon reflection in a near-normal-incidence configuration at the M edges of 3d-transition metals, S. Valencia, A. Kleibert, A. Gaupp, J. Rusz, D. Legut, J. Bansmann, W. Gudat, and P. M. Oppeneer, Phys. Rev. Lett. 104, 187401 (2010).
  • Controlling spins in adsorbed molecules by a chemical switch, C. Wäckerlin, D. Chylarecka, A. Kleibert, K. Müller, C. Iacovita, F. Nolting, T. A. Jung, and N. Ballav, Nature Communications 1:61 doi: 10.1038 / ncomms1057 (2010).
  • Size-dependent alignment of Fe nanoparticles upon deposition onto W(110), A. Kleibert, A. Voitkans, and K.-H. Meiwes-Broer, Phys. Rev. B 81, 073412 (2010).
  • Size-dependent magnetic spin and orbital moments of Fe nanoparticles deposited onto Co/W(110), A. Kleibert, K.-H. Meiwes-Broer, and J. Bansmann, Phys. Rev. B 79, 125423 (2009).

Awards/Grants

  • 2017 - 2019: Partner in EU-Horizon 2020 FET-Open Project “Femtoterabyte” (Together with Prof. Frithjof Nolting, PSI)
  • 2016 - 2019: Main Applicant in the SNI-project "Investigating individual multiferroic and oxidic nanoparticles" (Co-Applicant: Prof. Martino Poggio, Uni Basel).
  • 2015 - 2018: Main Applicant in the SNF-project "Manipulating the magnetic properties of individual nanoparticles" (Co-Applicant: Prof. Frithjof Nolting, PSI).
  • 2012 - 2015: Co-Applicant in the SNI-project “Site-specific magnetic studies and control of large self-assembled spin systems” (Main Applicant: Prof. Thomas Jung, PSI).
  • 2006 - 2008: Principal Investigator in the DFG Focussed Funding Programm 1153, contract No. KL2188/1-3, Germany.
  • 2002 - 2004: Ph. D. Fellowship, Landesgraduiertenförderung Mecklenburg-Vorpommern, Germany.

Memberships

  • German Physical Society (DPG).
  • Swiss Physical Society (SPS).
  • Swiss Nanoscience Insitute (SNI).
Armin Kleibert