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Study of ternary complex Al—Mg—Ag intermetallides using Precession Electron Diffraction
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Shmuel Samuha
Veröffentlicht/Copyright:
11. Januar 2013
Abstract
Three ternary intermetallic phases were revealed in Mg-20 at%Al—20 at%Ag alloy: Mg59Al34Ag7 (body-centered cubic, a = 10.2 Å, probably isotypical to Mg17Al12 phase); Mg62Al11Ag27 (body centered cubic, a = 14.5 Å) and new Mg19Al13Ag6 compound. The geometry and the symmetry of the unit cell of these phases were investigated by electron diffraction methods. It was found that the structure of the new Mg19Al13Ag6 phase belongs to the orthorhombic crystal system with lattice parameters of a = 8.87, b = 16.48 and c = 19.48 Å. The space group was evaluated by Precession Electron Diffraction technique in “descan-off” mode as Pbcm (No. 57).
Published Online: 2013-01-11
Published in Print: 2013-01
© by Oldenbourg Wissenschaftsverlag, München, Germany
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Artikel in diesem Heft
- Preface
- Electron crystallography as a complement to X-ray powder diffraction techniques
- Stacking disorders in zeolites and open-frameworks – structure elucidation and analysis by electron crystallography and X-ray diffraction
- Layered oxygen vacancy ordering in Nb-doped SrCo1-xFexO3-δ perovskite
- Structure solution of oxides from zone axes precession electron diffraction data
- Aberration-corrected and energy-filtered precession electron diffraction
- Scanning reciprocal space for solving unknown structures: energy filtered diffraction tomography and rotation diffraction tomography methods
- Study of ternary complex Al—Mg—Ag intermetallides using Precession Electron Diffraction
Schlagwörter für diesen Artikel
Precession Electron Diffraction;
Intermetallic;
Structure characterization
Artikel in diesem Heft
- Preface
- Electron crystallography as a complement to X-ray powder diffraction techniques
- Stacking disorders in zeolites and open-frameworks – structure elucidation and analysis by electron crystallography and X-ray diffraction
- Layered oxygen vacancy ordering in Nb-doped SrCo1-xFexO3-δ perovskite
- Structure solution of oxides from zone axes precession electron diffraction data
- Aberration-corrected and energy-filtered precession electron diffraction
- Scanning reciprocal space for solving unknown structures: energy filtered diffraction tomography and rotation diffraction tomography methods
- Study of ternary complex Al—Mg—Ag intermetallides using Precession Electron Diffraction
