http://www.cnr.it/ontology/cnr/individuo/prodotto/ID252449
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
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- V. Grillo, E. Carlino, L Felisari (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
- 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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- Autore CNR
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