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…