Articles tagged "in-situ"

The 16th European Microscopy Congress 2016
Determining atomic coordinates in 3D by atomic electron tomography
Peter Ercius (1), Rui Xu (2), Chien-Chun Chen (2), Li Wu (2), Mary Scott (1, 2), Wolfgang Theis (3), Colin Ophus (1), Jungwon Park (4, 5), Hans Elmlund (6, 7), Alex Zettl (8, 9), A. Paul Alivisatos (4, 9), Jianwei Miao (2, 10)
1. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, Etats-Unis 2. Department of Physics & Astronomy, University of California, Los Angeles, Etats-Unis 3. School of Physics and Astronomy, University of Birmingham, Birmingham, Royaume Uni 4. Department of Chemistry, University of California, Berkeley, Etats-Unis 5. Department of Applied Physics, Harvard University, Cambridge, Etats-Unis 6. School of Biomedical Sciences, Monash University, Clayton, Australie 7. Centre for Advanced Molecular Imaging, ARC Centre of Excellence, Clayton, Australie 8. Department of Physics, University of California, Berkeley, Etats-Unis 9. Kavli Energy NanoScience Institute, Berkeley, Etats-Unis 10. California NanoSystems Institute, University of California, Los Angeles, Etats-Unis
At a basic level, materials properties depend on the three-dimensional arrangement of atoms, and it is necessary to determine their coordinates to make correlative measurements…
The 16th European Microscopy Congress 2016
In situ study of CeO2 microspheres sintering using HT-ESEM
Galy Ingrid Nkou Bouala (1), Renaud Podor (2), Jacques Lechelle (3), Nicolas Dacheux (4), Nicolas Clavier (2)
1. Institut de Chimie Séparative de Marcoule, CEA, Bagnols-sur-Cèze, France 2. Institut de Chimie Séparative de Marcoule, CNRS, Bagnols-sur-Cèze, France 3. CEA Cadarache, CEA, St-Paul lez Durance, France 4. Institut de Chimie Séparative de Marcoule, Université de Montpellier, Bagnols-sur-Cèze, France
Sintering could be defined as the transformation of a powdered compact into a cohesive material under heating at high temperature. It appears as a key-step…
The 16th European Microscopy Congress 2016
In situ cyclic telescoping of multi-walled carbon nanotubes
Katherine Moore (1), Ovidiu Cretu (1), Dmitri Golberg (1)
1. International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Japon
In this work, we perform an in-depth study of the cyclic telescoping of multi-walled carbon nanotubes (MWCNTs) inside a transmission electron microscope. The nanotubes…
The 16th European Microscopy Congress 2016
In situ TEM for understanding electrical and thermal transport properties on nano and atomic scales
Eva Olsson (1)
1. Department of Physics, Chalmers University of Technology, Gothenburg, Suède
In situ electron microscopy allows studies of transport of charges and matter in complex structures as well as thermal properties. We can study mechanically and…
The 16th European Microscopy Congress 2016
CelDi: Development of an advanced solid / fluid reaction stage for SEM
Johan Salacroup (1, 2), Gautier Gonnet (3, 2), Antoine Candeias (3), Henri-Pierre Brau (4), Stéphanie Szenknect (4), Paul Ivaldi (2), Renaud Podor (1)
1. Institut de Chimie Séparative de Marcoule, CNRS, Bagnols-sur-Cèze, France 2. SATT, AxLR, Montpellier, France 3. Newtec, Newtec, Nimes, France 4. Institut de Chimie Séparative de Marcoule, CEA, Bagnols-sur-Cèze, France
In numerous scientific fields such as life, materials and Earth sciences, or quality controls of industrial processes, there is a growing interest for the direct…
The 16th European Microscopy Congress 2016
In situ tracking of the heat-induced replacement of GaAs by Au in nanowires
Vidar Fauske (1), Junghwan Huh (2), Giorgio Divitini (3), Mazid Munshi (4), Dasa Lakshmi Dheeraj (4), Caterina Ducati (3), Helge Weman (2, 4), Bjørn-Ove Fimland (2, 4), Antonius van Helvoort (1)
1. Department of Physics, Norwegian University of Science and Technology (NTNU), Trondheim, Norvège 2. Department of Electronics and Telecommunications, Norwegian University of Science and Technology (NTNU), Trondheim, Norvège 3. Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, Royaume Uni 4. CrayoNano AS, Trondheim, Norvège
For devices, the junctions between the semiconductors and any metal contacts are crucial for the device performance. A heat treatment is commonly applied to improve…
The 16th European Microscopy Congress 2016
Nucleation of Graphene and its Conversion to Single Walled Carbon Nanotube revealed
matthieu picher (1, 2, 3), Ann Lin Pin (2, 3), Jose L. Gomez Ballesteros (4), Perla Balbuena (4), Renu Sharma (2)
1. IPCMS, CNRS, Strasbourg, France 2. CNST, NIST, Gaithersburg, Etats-Unis 3. IREAP, University of Maryland, College Park, Etats-Unis 4. Department of Chemical Engineering, Texas A&M University, College Station, Etats-Unis
During catalytic chemical vapor deposition, the chirality of single wall carbon nanotubes is determined when the growing graphene nucleus wraps around the catalyst and converts…
The 16th European Microscopy Congress 2016
MEMS-based system for in-situ biasing and heating solutions inside the TEM
Héctor Hugo Pérez Garza (1), Kun Zuo (1), Yevheniy Pivak (1), Diederik Morsink (1), Marina Zakhozheva (1), Merijn Pen (1), Sander van Weperen (1), Qiang Xu (1)
1. DENSsolutions, Delft, Pays-Bas
Understanding the thermo-electrical properties of different materials demands an in-depth analysis of their structure-property relationship. Therefore, monitoring their dynamic mechanisms in a real-world environment is…
The 16th European Microscopy Congress 2016
In-situ propagation of a Cu phase in germanium nanowires observed by transmission electron microscopy
Khalil EL HAJRAOUI (1), Clemens Zeiner (2), Eric Robin (3), Stéphanie Kodjikian (1), Alois Lugstein (2), Jean-Luc Rouvière (3), Martien Den Hertog (1)
1. Institut Néel, Université Grenoble Alpes, CNRS , Grenoble, France 2. Institute for solid state electronics, University of Technology, Vienna, Autriche 3. INAC / SP2M, Université Grenoble Alpes, CEA, Grenoble, France
Semiconductor nanowires (NWs) are promising candidates for many device applications ranging from electronics and optoelectronics to energy conversion and spintronics. However, typical NW devices are…
The 16th European Microscopy Congress 2016
Operando electron microscopy in heterogeneous catalysis
Christian F. Elkjær (1, 2), Søren Vendelbo (1, 3), Patricia J. Kooyman (3, 4), Stig Helveg (1)
1. Haldor Topsoe A/S, Haldor Topsøes Allé 1, DK-2800 Kgs. Lyngby, Danemark 2. CINF, Technical University of Denmark, Fysikvej, Building 307, DK-2800 Kgs. Lyngby, Danemark 3. ChemE, Delft University of Technology, Julianalaan 136, 2628 BL Delft, Pays-Bas 4. ChemEng, University of Cape Town, Private Bag X3, 7700 Rodenbosch, Afrique du Sud
Visualizing nanoparticles at atomic-resolution by transmission electron microscopy (TEM) is beneficial for the understanding of their physico-chemical properties. However, nanoparticles respond dynamically to changes in…