Electron holography
Dark-field electron holography for the mapping of strain in nanostructures: correcting artefacts and aberrations
... Figure 1. Schematic representation of conventional off-axis holography (left) and dark- field electron holography (right). Transmitted beam in the vacuum, and diffracted beam from unstrained crystal, ...
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Multi magnetic states in Co/Cu multilayered cylindrical nanowires studied by combination of off-axis electron holography imaging and micromagnetic simulations
... 1 CEMES CNRS-UPR 8011, Université de Toulouse, 31055 Toulouse, France 2 Laboratoire des Solides Irradiés, Ecole Polytechnique, CNRS, CEA, Université Paris Saclay, F 91128 Palaiseau, France Abstract: We report on a wide ...
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Three-dimensional measurement of Mg dopant distribution and electrical activity in GaN by correlative atom probe tomography and off-axis electron holography
... scanning electron microscopy (SEM) observations can activate the dopants ...under electron beam irradiation to assess the stability of the Mg-doped GaN and no changes in the electrical activity was observed ...
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Electron Holography study of the local magnetic switching process in MTJs
... from holography study and VSM shows that electron holography is a powerful tool to investigate the magnetic configurations of magnetic nanomaterials and nanosystems like ...
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Air-stable anisotropic monocrystalline nickel nanowires characterized using electron holography
... We report the metal-organic synthesis of highly anisotropic nickel nanowires having no grain boundaries. The Ni nanowires are obtained through the reduction of a nickel stearate complex using hydrogen gas at 150 °C, in ...
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Characterization of helium bubble size and faceting by electron holography
... Off-axis electron holography experiments were carried out on the SACTEM-Toulouse, a Tecnai F20 共FEI兲 FEG 200 kV TEM specially equipped with a spherical aberration corrector ...
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Probing domain walls in cylindrical magnetic nanowires with electron holography
... 3. Experimental procedures Electron holography imaging was conducted on the I 2 TEM microscope (Lorentz mode; using a transfer lens corrector as imaging lenses). A double biprism was used to enlarge field ...
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Special issue on developments of electron holography for material science
... [20] Dunin-Borkowski R E, McCartney M R, Smith D J and Parkin S S P, 1998 Ultramicroscopy 74, 61-73. [21] Rodríguez L A, Magén C, Snoeck E, Gatel C, Marín L, Serrano-Ramón L, Prieto J L, Muñoz M, Algarabel P A, Morellon ...
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Optimization of off-axis electron holography performed with femtosecond electron pulses
... on electron holography experiments performed with femtosecond electron pulses in an ultrafast coherent Transmission Electron Microscope based on a laser-driven cold field emission ...and ...
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Assessment of off-axis and in-line electron holography for measurement of potential variations in Cu(In,Ga)Se2 thin-film solar cells
... Electron holography is employed to study variations of the electrostatic crystal potential in Cu(In,Ga)Se 2 (CIGS) thin-film solar cells at different length scales: Long-range potential variations across ...
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Correlative investigation of Mg doping in GaN layers grown at different temperatures by atom probe tomography and off-axis electron holography
... off-axis electron holography was per- ...Off-axis electron holography technique is a TEM based technique that uses an electron biprism to create an interference pattern known as the ...
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Stress transfer in ultimate transistors through SiN deposits: study by electron holography and finite element modelling
... Thèse preparée au sein du Centre d'Elaboration de Matériaux et d'Etudes Structurales avec financement CIFRE CNRS / STMicroelectronics (Crolles). Présentée et soutenue par Patrizio Benz[r] ...
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Magnetic configurations in Co-based nanowires explored by electron holography and micromagnetic calculations
... Simulations micromagnétiques Pour analyser plus profondément les résultats expérimentaux, les états magnétiques résiduels 3D et des champs parasites de 20 bicouches de Co/Cu ont été calc[r] ...
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In situ Lorentz microscopy and electron holography in magnetic nanostructures
... Focused electron beam induced deposition, FEBID FEBID is a direct-writing nanolithography technique used to deposit two- dimensional and three-dimensional materials with nanometer resolution ...fine ...
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In situ Lorentz microscopy and electron holography in magnetic nanostructures
... Focused electron beam induced deposition, FEBID FEBID is a direct-writing nanolithography technique used to deposit two- dimensional and three-dimensional materials with nanometer resolution ...fine ...
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Local magnetic measurements in multi-layered nanowires observed by electron holography
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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Magnetic configurations in Co-based nanowires explored by electron holography and micromagnetic calculations
... Simulations micromagnétiques Pour analyser plus profondément les résultats expérimentaux, les états magnétiques résiduels 3D et des champs parasites de 20 bicouches de Co/Cu ont été calc[r] ...
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Compressed digital holography: from micro towards macro
... As each complex value in the hologram contains a sum of a large point source emitter in 3D scene space, an hologram already contain compressed samples by nature. According to the Huygens-Fresnel principle, the ...
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Digital Holography at Ultimate Shot Noise Level
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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Electron irradiation of nuclear graphite studied by transmission electron microscopy and electron energy loss spectroscopy
... the electron irradiation induces nanocrystallinity with atomic disorder at crystallite grain boundaries, (Figure 2 and 7), and it is this disorder that reduces the packing efficiency of carbon atoms which is ...
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