Crystallography of α-alumina, which in its pure and perfect form is known as sapphire.
Space group, lattice parameters |
Unit cell in perspective view. The cell has the trigonal space group R-3c expressed in hexagonal axes with lattice parameters a=0.47589 nm and c=1.2991 nm. |
List of atom coordinates | List of structure factors |
c-axis vertical |
Fractional z-coordinates labelled |
Electron diffraction pattern with [001] zone axis |
Electron diffraction pattern with [100] zone axis |
Electron diffraction pattern with [110] zone axis |
Electron diffraction pattern with [101] zone axis |
Electron diffraction pattern with [111] zone axis |
Electron diffraction pattern with [112] zone axis |
X-ray diffraction wavelength |
X-ray diffraction pattern |
5th edition, available Jan 2024 |
Free download |
Free download |
Published 2022 |
Available |
Free download |
Published, 2023 |
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