Atomic resolution electron tomography: a dream?
-
Dirk Van Dyck
,
Sandra Van Aert
Abstract
In this paper, the possibilities and intrinsic physical limits to atomic resolution electron tomography are discussed. It is shown that atomic resolution electron tomography is in principle possible and may provide atom position coordinates with sufficient precision to use as input data for theoretical ab-initio calculations. For amorphous materials which are subject to radiation damage it may require a lower voltage and the use of a Cs and Cc corrector. For perfect crystalline samples the projected structure can be reconstructed from exit waves using the channeling theory. Combining the reconstructions obtained from different zone axis orientations then yields the 3D atomic structure. The most difficult objects will be semicrystalline materials where strong dynamic scattering interferes with weak signals from the aperiodicity. Here we suggest to use a new technique called precession laminography. Finally, doubt is raised about the practical usability of optical sectioning by HAADF STEM.
Dedicated to Professor Dr. Knut Urban on the occasion of his 65th birthday
Funding statement: The authors gratefully acknowledge the financial support of the Fund for Scientific Research-Flanders (FWO)
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© 2006 Carl Hanser Verlag, München
Articles in the same Issue
- Frontmatter
- Editorial
- Professor Dr. Knut Urban 65 Years
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- Atomic resolution electron tomography: a dream?
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- Aberration correction in electron microscopy
- Off-axis electron holography: Materials analysis at atomic resolution
- Determination of phases of complex scattering amplitudes and two-particle structure factors by investigating diffractograms of thin amorphous foils
- Prospects of the multislice method for CBED pattern calculation
- Electron energy-loss spectrometry for metals:some thoughts beyond microanalysis
- Quantitative assessment of nanoparticle size distributions from HRTEM images
- Quantitative microstructural and spectroscopic investigation of inversion domain boundaries in sintered zinc oxide ceramics doped with iron oxide
- Structural domains in antiferromagnetic LaFeO3 thin films
- Short-range order of liquid Ti72.3Fe27.7 investigated by a combination of neutron scattering and X-ray diffraction
- Extended interfacial structure between two asymmetrical facets of a Σ = 9 grain boundary in copper
- Dislocation imaging in fcc colloidal single crystals
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- Mixed (Sr1 − xCax)33Bi24Al48O141 fullerenoids: the defect structure analysed by (S)TEM techniques
- Wetting of aluminium-based complex metallic alloys
- Annealing-induced phase transitions in a Zr–Ti–Nb–Cu–Ni–Al bulk metallic glass matrix composite containing quasicrystalline precipitates
- Special planar defects in the structural complex metallic alloys of Al–Pd–Mn and Al–Ni–Rh
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- Radiation damage during HRTEM studies in pure Al and Al alloys
- Cross-sectional high-resolution transmission electron microscopy at Mo/Si multilayer stacks
- Structural properties of the fiber –matrix interface in carbon-fiber/carbon-matrix composites and interfaces between carbon layers and planar substrates
- Microstructure and properties of surface-treated Timetal 834
- Notifications
- Personal
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Articles in the same Issue
- Frontmatter
- Editorial
- Professor Dr. Knut Urban 65 Years
- Basic
- Ordering processes and atomic defects in FeCo
- Atomic resolution electron tomography: a dream?
- Electron tomography of microelectronic device interconnects
- Aberration correction in electron microscopy
- Off-axis electron holography: Materials analysis at atomic resolution
- Determination of phases of complex scattering amplitudes and two-particle structure factors by investigating diffractograms of thin amorphous foils
- Prospects of the multislice method for CBED pattern calculation
- Electron energy-loss spectrometry for metals:some thoughts beyond microanalysis
- Quantitative assessment of nanoparticle size distributions from HRTEM images
- Quantitative microstructural and spectroscopic investigation of inversion domain boundaries in sintered zinc oxide ceramics doped with iron oxide
- Structural domains in antiferromagnetic LaFeO3 thin films
- Short-range order of liquid Ti72.3Fe27.7 investigated by a combination of neutron scattering and X-ray diffraction
- Extended interfacial structure between two asymmetrical facets of a Σ = 9 grain boundary in copper
- Dislocation imaging in fcc colloidal single crystals
- Applied
- Omega phase transformation – morphologies and mechanisms
- Mixed (Sr1 − xCax)33Bi24Al48O141 fullerenoids: the defect structure analysed by (S)TEM techniques
- Wetting of aluminium-based complex metallic alloys
- Annealing-induced phase transitions in a Zr–Ti–Nb–Cu–Ni–Al bulk metallic glass matrix composite containing quasicrystalline precipitates
- Special planar defects in the structural complex metallic alloys of Al–Pd–Mn and Al–Ni–Rh
- On the formation of Si nanowires by molecular beam epitaxy
- Self-induced oscillations in Si and other semiconductors
- Growth, interface structure, and magnetic properties of Fe/GaAs and Fe3Si/GaAs hybrid systems
- An investigation of improved titanium/titanium nitride barriers for submicron aluminum-filled contacts by energy-filtered transmission electron microscopy
- Radiation damage during HRTEM studies in pure Al and Al alloys
- Cross-sectional high-resolution transmission electron microscopy at Mo/Si multilayer stacks
- Structural properties of the fiber –matrix interface in carbon-fiber/carbon-matrix composites and interfaces between carbon layers and planar substrates
- Microstructure and properties of surface-treated Timetal 834
- Notifications
- Personal
- Conferences
