Difference between revisions of "White sapphire"
From apm
(→Related: added * Corundum structure) |
(→Related: added Simple crystal structures of especial interest) |
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== Related == | == Related == | ||
| − | * [[Corundum structure]] | + | * [[Corundum structure]] – [[Simple crystal structures of especial interest]] |
* [[Aluminum oxides]] | * [[Aluminum oxides]] | ||
* Tistarite Ti<sub>2</sub>O<sub>3</sub> has the same structure. | * Tistarite Ti<sub>2</sub>O<sub>3</sub> has the same structure. | ||
Revision as of 08:55, 3 June 2021
Advantages:
- very hard material, very high heat conductivity
- made out of the extremely common element aluminum (more common than carbon)
- thermodynamically stable not just metastable thus very heat resistant
Disadvantage:
Crystal structure of less high symmetry than other interesting base materials.
Maybe look at metastable polymorphs at the eventual cost of somewhat less heat resistance?
Note: The page uses leukosapphire instead of just sapphire because
just sapphire is often associated with a blue to black variant where the colour is caused by metal impurities.
A base material for gemstone metamaterial technology would be perfectly impurity free and colorless clear though.
Like a leukosapphire just better.
Related
- Corundum structure – Simple crystal structures of especial interest
- Aluminum oxides
- Tistarite Ti2O3 has the same structure.
- Moissanite is also an extremely heat resistant base material.
- Diamond is much less heat and oxidation resistant.
- Both diamond and moissanite have higher crystal structure symmetry than leukosapphire
