Z-contrast STEM 3D information by Abel transform in rotational symmetric systems (Articolo in rivista)

Type
Label
  • Z-contrast STEM 3D information by Abel transform in rotational symmetric systems (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Alternative label
  • V. Grillo, E. Carlino, L Felisari (2008)
    Z-contrast STEM 3D information by Abel transform in rotational symmetric systems
    in Springer proceedings in physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • V. Grillo, E. Carlino, L Felisari (literal)
Pagina inizio
  • 181 (literal)
Pagina fine
  • 184 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 120 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR, INFM, Lab Nazl TASC, Area Sci Pk,SS 14 Km 1635, I-34012 Trieste, Italy. (literal)
Titolo
  • Z-contrast STEM 3D information by Abel transform in rotational symmetric systems (literal)
Abstract
  • image tomography of clusters, in transmission electron microscopy, is a recent and highly interesting field of study for its capability to explore the 3-dimensional shape and the structure of nanoparticles. Z-contrast imaging is an ideal technique, for nanometre scale tomography, and could give also 3-dimensional information on the variation in the chemical composition within the particles. Unfortunately, 3-dimensional reconstruction, with high-resolution information, requires time-consuming series of high-resolution images and long data analysis times. Here, it is shown how 3D reconstructions can be obtained from a single high resolution Z-contrast image, if the particle under study has a rotational symmetry. In this case, the reconstruction can be performed by using a procedure based on the Abel's integral. Here, the method is explained and applied to simulated and experimental images of core-shell nanocrystals, showing the capability of detecting compositional variation as distinct from particle thickness variation. (literal)
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