Articles tagged "In-situ SEM"

• The 16th European Microscopy Congress 2016

  Deformation behavior of micron-sized polycrystalline gold particles studied by in situ compression experiments and frictional finite element simulation

  Stefan Romeis (1), Jonas Paul (1), Patrick Herre (1), Wolfgang Peukert (1)

  1. Institute of Particle Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Allemagne

  Gold particles in the micro- and nanometer size regime find wide spread technical applications. Especially for micro- and nanoelectromechanical applications the mechanical properties can determine…

• The 16th European Microscopy Congress 2016

  Direct Observation of CVD Graphene Growth and Related Surface Dynamics of Active Metal Catalysts by In-situ Scanning Electron Microscopy

  Zhu-Jun Wang (1), Gisela Weinberg (1), Rober Schlögl (1), Marc Georg Willinger (1)

  1. Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Allemagne

  During the last three years, we have modified the set-up of a conventional scanning electron microscope in order to enable the observation of catalyst surface…

• The 16th European Microscopy Congress 2016

  The Dynamics of Active Metal Catalysts Revealed by In-Situ Electron Microscopy

  Jing Cao (1), Ramzi Farra (1), Zhu-Jun Wang (1), Ali Rinaldi (1), Robert Schlögl (1), Marc Georg Willinger (1)

  1. Department of Inorganic Chemistry, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Allemagne

  Conventional high-resolution imaging by electron microscopy plays an important role in the structural and compositional analysis of catalysts. However, since the observations are generally performed…

• The 16th European Microscopy Congress 2016

  Monitoring the Dynamics of Heterogeneous Catalysts by Electron Microscopy

  Ramzi Farra (1), Ali Rinaldi (1), Mark Greiner (1), Jing Cao (1), Robert Schlögl (1), Marc-G Willinger (1)

  1. Department of Inorganic Chemistry, Fritz Haber Institute of the Max Planck Society, Berlin, Allemagne

  It is known that the shape of metal catalysts adapts to the chemical potential of the surrounding atmosphere and that the active surface evolves dynamically…

• The 16th European Microscopy Congress 2016

  Correlating structure and mechanical properties for submicron amorphous silica spheres

  Stefan Romeis (1), Patrick Herre (1), Mirza Mačković (2), Jochen Schmidt (1), Jonas Paul (1), Dominique de Ligny (3), Erdmann Spiecker (2), Wolfgang Peukert (1)

  1. Institute of Particle Technology, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Allemagne 2. Institute of Micro- and Nanostructure Research, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Allemagne 3. Institute of Glass and Ceramics, Friedrich-Alexander-Universität Erlangen-Nürnberg, 91058 Erlangen, Allemagne

  Spherical amorphous silica particles obtained from the well-known Stöber-Fink-Bohn (SFB) synthesis are frequently used as standards for size or shape and as proxy for the…

• The 16th European Microscopy Congress 2016

  In situ compression experiments of fused silica pillars in the TEM and SEM

  Mirza Mačković (1), Thomas Przybilla (1), Patrick Herre (2), Stefan Romeis (2), Jonas Paul (2), Etienne Barthel (3), Jeremie Teisseire (4), Nadine Schrenker (1), Wolfgang Peukert (2), Erdmann Spiecker (1)

  1. Institute of Micro- and Nanostructure Research and Center for Nanoanalysis and Electron Microscopy, University of Erlangen-Nürnberg, Erlangen, Allemagne 2. Institute of Particle Technology (LFG), University of Erlangen-Nürnberg, Erlangen, Allemagne 3. Institute de physique, Centre national de la recherche scientifique (CNRS), Paris, France 4. Surface du Verre et Interfaces, Centre national de la recherche scientifique (CNRS) Saint-Gobain, Aubervilliers, France

  While fused silica is known for its brittleness on macroscopic scale [1], it exhibits an amount of plasticity on microscale [2]. Thermally-treated Stöber-Fink-Bohn (SFB)-type silica…