Special planar defects in the structural complex metallic alloys of Al–Pd–Mn and Al–Ni–Rh
-
Ze Zhang
,
He Tian
Abstract
A systematic high-resolution electron microscopy study of a special type of two-dimensional defects, phason planes, has been carried out in the structurally complex metallic alloys of Al –Pd –Mn and Al –Ni –Rh. The structural characteristics of the phason planes in these two alloys consist of pentagon-banana pairs of polygons but with a different arrangement. Located on the vertex of the polygons are pseudo-Mackay atomic clusters. The detailed atomic structures of the phason planes in both ξ′- and ξ-phases of the two alloys have been determined by means of high-resolution electron microscopy and theoretical simulations. The possible ways of displacement of the phason planes in the complex alloys are discussed.
Dedicated to Professor Dr. Knut Urban on the occasion of his 65th birthday
Funding statement: We are grateful to Professor Knut Urban and Dr. Mick Feuerbacher of the science centre in Juelich, Germany for fruitful discussions and providing some samples. This work is supported by the National Science Foundation (GZ032/9) of China and partly supported by National project of 2002CB613500
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© 2006 Carl Hanser Verlag, München
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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
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- Mixed (Sr1 − xCax)33Bi24Al48O141 fullerenoids: the defect structure analysed by (S)TEM techniques
- Wetting of aluminium-based complex metallic alloys
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- 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
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- Cross-sectional high-resolution transmission electron microscopy at Mo/Si multilayer stacks
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- Notifications
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