Tomography of Nanostructures

Authored by: Günter Möbus , Zineb Saghi

1 Handbook of Nanophysics

Print publication date:  September  2010
Online publication date:  September  2010

Print ISBN: 9781420075403
eBook ISBN: 9781420075410
Adobe ISBN:

10.1201/9781420075410-38

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Abstract

An important point in technology development is the demand for progress from an application point of view. The driving force for three-dimensional (3D) nanotomography would be weak, if there were no 3D nanoscale objects of timely interest to the research community. While the bio-/medical research field immediately realized the potential of electron tomography for virus particles, cell organelles, and macromolecular complexes, which are all 3D nanoobjects or microobjects with nanoscale internal details, the research in materials science concentrated for decades on planar cross-sections, which lack the need for tomography. Only the steep rise of (inorganic) nanotechnology, including the fabrication of novel nanoparticles, nanowires, and nanocomposites, finally proved that development of a nanoscale tomography technique has become indispensable. Materials are nowadays more than ever determined by 3D morphology on the nanoscale. The surface-per-volume ratio is exceptionally large for nanoobjects, and even subsurface regions have enhanced functional importance, e.g., in the study of distinct low-dimensionality effects, such as quantum confinement.

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