Articles tagged "In-situ TEM"

• The 16th European Microscopy Congress 2016

  In situ environmental HRTEM study of the restructuration under reducing atmosphere of small oxidized silver-indium nanoparticles

  Julien RAMADE (1), Cyril Langlois (2), Michel Pellarin (1), Laurent Piccolo (3), Emmanuel COTTANCIN (1)

  1. Institut Lumière Matière, Université Claude Bernard, Lyon, France 2. MATEIS, INSA Lyon, Lyon, France 3. IRCE Lyon, CNRS, Lyon, France

         In the form of alloyed or segregated structures, bimetallic nanoparticles (NPs) exhibit remarkable catalytic (activity, selectivity, stability) and optical (localized surface plasmon resonance, LSPR)…

• The 16th European Microscopy Congress 2016

  Calcination of pd nanocatalysts on alumina: ex-situ analysis versus in-situ environmental TEM

  Siddardha Koneti (1), Lucian Roiban (1), Thierry Epicier (1, 2), Anne-Sophie Gay (3), Priscilla Avenier (3), Amandine Cabiac (3), Florent Dalmas (1)

  1. MATEIS, UMR 5510, CNRS, INSA de Lyon, Université de Lyon, Villeurbanne, France
  2. Institut de Recherches sur la Catalyse et l’Environnement de Lyon, UMR 5256, CNRS, Université C. Bernard Lyon 1, Université de Lyon, Villeurbanne, France
  3. IFP Energies nouvelles , Solaize, France

  Sustainable chemistry, reduction of pollution, greenhouse gases control, oil refinery, liquid and solid waste management, are essential societal topics related to what is called Environmental…

• The 16th European Microscopy Congress 2016

  In situ TEM nanocompression of MgO nanocubes and mechanical analysis

  Inas Issa (1, 2), Jonathan Amodeo (1), Lucile Joly-Pottuz (1), Julien Réthoré (2), Claude Esnouf (1), Vincent Garnier (1), Julien Morthomas (1), Karine Masenelli-Varlot (1)

  1. MATEIS, CNRS UMR 5510, Univ Lyon, INSA-Lyon, Villeurbanne, France 2. LaMCoS, CNRS UMR 5259, Univ Lyon, INSA-Lyon, Villeurbanne, France

  In this study, we propose an innovative mechanical observation protocol of nanoparticles in the 100 nm size range. It consists of in situTEM nano-compression tests…

• The 16th European Microscopy Congress 2016

  Atomic structures and dynamic behaviors of domain walls in ferroelectric thin films

  Xiaoqing Pan (1, 2), Linze Li (3, 1)

  1. Department of Chemical Engineering and Materials Science, University of California - Irvine, Irvine, Etats-Unis 2. Department of Physics and Astronomy, University of California - Irvine, Irvine, Etats-Unis 3. Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Etats-Unis

  Ferroelectric materials are characterized by a spontaneous electric polarization that can be reoriented between different orientations by an applied electric field.  The ability to form…

• The 16th European Microscopy Congress 2016

  In Situ TEM Characterization of Asphaltene Formation in Crude Oil

  Arne Janssen (1), Nestor Zaluzec (2), Matthew Kulzick (3), Greg McMahon (1), M.G. Burke (1)

  1. School of Materials , The University of Manchester, Manchester, Royaume Uni 2. Electron Microscopy Centre, Argonne National Laboratory, Chicago, Etats-Unis 3. BP Research Centre, Naperville, Etats-Unis

  Asphaltenes are aromatic hydrocarbons and defined as a solubility class as the n-heptane-insoluble, toluene-soluble fraction of a crude oil or carbonaceous material. They are always…

• The 16th European Microscopy Congress 2016

  Complex magnetic distribution of diameter-modulated FeCoCu nanowires resolved by Electron Holography

  Luis Alfredo Rodríguez (1), Cristina Bran (2), David Reyes (1), Christophe Gatel (1), Eider Berganza (2), Manuel Vázquez (2), Agustina Asenjo (2), Etienne Snoeck (1)

  1. CEMES - CNRS, CNRS, Toulouse, France 2. ICMM-CSIC, CSIC, Madrid, Espagne

  In the last years, diameter-modulated (D-M) ferromagnetic nanowires (NWs) have been intensively studied to evaluate their efficiency to control the motion of domain walls (DWs)…

• The 16th European Microscopy Congress 2016

  10 bar nanoreactors for in situ transmission electron microscopy

  Gregory Pandraud (1), Bruno Morana (1), Jia Wei (1), Casper Juffermans (1)

  1. Else Kooi Lab, TU Delft, Delft, Pays-Bas

  Environmental transmission electron microscopy (ETEM) is becoming an increasingly important field of study as it is possible to investigate the material-environment interactions on a nanoscale,…

• The 16th European Microscopy Congress 2016

  Magnetic Skyrmions in an FeGe Nanostripe Revealed by in situ Electron Holography

  Zi-An Li (1, 2), András Kovács (2), Amir Tavabi (2), Chiming Jin (3), Haifeng Du (3), Mingliang Tian (3), Michael Farle (1), Rafal Dunin-Borkowski (2)

  1. Faculty of Physics and Center for Nanointegration (CENIDE), University of Duisburg-Essen, Duisburg, Allemagne 2. Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons and Peter Grünberg Institute, Forschungszentrum Jülich, Jülich, Allemagne 3. High Magnetic Field Laboratory, Chinese Academy of Science (CAS), Hefei, Chine

  Intense research interest in magnetic skyrmions is presently driving the development of new fundamental concepts and applications1. Magnetic skyrmions are particle-like, topologically protected swirling spin…

• The 16th European Microscopy Congress 2016

  Stability and reactivity of anisotropic cobalt nanostructures under inert and reactive environments investigated by in-situ TEM

  K. Dembélé (1, 2), S. Moldovan (3), J. Harmel (4, 5), K. Soulantica (5), P. Serp (4), B. Chaudret (5), A-S Gay (2), S. Maury (2), A. Berliet (2), O. Ersen (3)

  1. IPCMS - UMR 7504, University of Strasbourg and CNRS, Strasbourg, France 2. IFPEN, IFPEN, Solaize, France 3. IPCMS - UMR 7504, CNRS, Strasbourg, France 4. LCC - UPR 8241, CNRS, Toulouse, France 5. LCPNO UMR 5215, University of Toulouse and CNRS, Toulouse, France

  The use of Environmental TEM (ETEM) for investigating the materials evolution in terms of morphological, microstructural and chemical characteristics is of absolute need in catalysis.…

• The 16th European Microscopy Congress 2016

  Electron tomography with sub-5-second temporal resolution for dynamic in situ transmission electron microscopy

  Vadim Migunov (1), Rowan K. Leary (2), María de la Mata (3), Eleonora Russo-Averchi (4), Gözde Tütüncüoglu (4), Anna Fontcuberta i Morral (4), Jordi Arbiol (3, 5), Rafal E. Dunin-Borkowski (1)

  1. Ernst Ruska Centre for Microscopy and Spectroscopy with Electrons and Peter Gruenberg Institute, Forschungszentrum Juelich, Jülich, Allemagne 2. Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, Royaume Uni 3. Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, Barcelona, Catalonia, Espagne 4. Laboratoire des Matériaux Semiconducteurs, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Suisse 5. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Espagne

             Electron tomography (ET) is an important technique for the study of the three dimensional morphology, structure and chemical composition of…