Articles tagged "APT"

The 16th European Microscopy Congress 2016
Correlative investigations by HAADF-STEM and Atom Probe Tomography
Williams Lefebvre (1), Florian Moyon (1), Antoine Normand (1), Nicolas Rolland (1), Ivan Blum (1), Auriane Etienne (1), Celia Castro (1), Fabien Cuvilly (1), Lorenzo Mancini (1), Isabelle Mouton (2), Lorenzo Rigutti (1), François Vurpillot (1)
1. Normandie Univ, UNIROUEN, INSA Rouen, CNRS, Groupe de Physique des Matériaux, Rouen, France 2. CEA LETI, MINATEC Campus, Grenoble, France
The ultimate capabilities achieved by electron microscopies and their associated techniques inevitably raise the following question: is there room for conceiving new ways of investigating…
The 16th European Microscopy Congress 2016
Quantifying Mg doping in AlGaN layers
Lynda Amichi (1), Isabelle Mouton (2), Eric Robin (3), Vincent Delaye (2), Nicolas Mollard (3), Philippe Vennéguès (4), Samuel Matta (4), Julien Brault (4), Adeline Grenier (2), Pierre-Henri Jouneau (3), Catherine Bougerol (5)
1. INAC, Université Grenoble Alpes - CEA , Grenoble, France 2. LETI, CEA, Grenoble, France 3. INAC, CEA, Grenoble, France 4. CRHEA, CNRS, Valbonne, France 5. Inst. Néel, CNRS, Grenoble, France
Gallium nitride and its alloys, AlGaN and InGaN, are essential but also challenging materials for the development of optoelectronic devices, such as visible or…
The 16th European Microscopy Congress 2016
The Importance of Nano-Confinement in Nanoporous Catalysts: Atom Probe Tomography and FIB/SEM study of surface segregation
Cedric Barroo (1), Nare Janvelyan (2), Branko Zugic (2), Juergen Biener (3), Austin Akey (4), Cynthia Friend (2), David Bell (1, 4)
1. School of Engineering and Applied Sciences, Harvard University, Cambridge, Etats-Unis 2. Department of Chemistry and Chemical Engineering, Harvard University, Cambridge, Etats-Unis 3. Lawrence Livermore National Lab, livermore, Etats-Unis 4. Center for Nanoscale Systems, Harvard University, Cambridge, Etats-Unis
To improve the understanding of catalytic processes, the surface structure and composition of the active materials need to be determined before and after reaction. Morphological…
The 16th European Microscopy Congress 2016
Combining TEM and APT for a better understanding of super high efficiency Cu(In,Ga)Se2 thin film solar cells
Celia Castro (1), Mohit Raghuwanshi (1), Philippe Pareige (1), Sébastien Duguay (1), Emmanuel Cadel (1), Wolfram Witte (2), Philip Jackson (2), Dimitrios Hariskos (2), Friedrich Kessler (2), Stephan Buecheler (3), Romain Carron (3), Enrico Avancini (3), Benjamin Bissig (3), Ayodhya Tiwari (3)
1. Groupe de Physique des Matériaux - UMR CNRS 6634, Université de Rouen Normandie, Saint Etienne du Rouvray, France 2. Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg , ZSW, Stuttgart, Allemagne 3. EMPA, Dübendorf, Suisse
The Sharc25 EU H2020 project aim is to push the efficiency of Cu(In,Ga)Se2 (CIGS) thin film solar cells to their maximum theoretical limit. Sharc25 consists…