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Thermodynamic analysis of the growth of β″-Al2O3 single-crystal films on α-Al2O3 substrates

✍ Scribed by Chu Kun Kuo; Yi Min Yan; Patrick S. Nicholson

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
931 KB
Volume
92
Category
Article
ISSN
0167-2738

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✦ Synopsis

Multicomponent equilibria in MgO-stabilised Na-, K-and Li-@"-Al,O, systems have been computed and partial-pressure and gas-species distribution diagrams constructed. The possible (Y-to f3"-Al,O, reactions in growing f3"-Al,O, single-crystal films are predicted and compared with experimental results.

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Stereography of growth of β″-Al2O3 single crystal films from sapphire substrates
✍ Chu Kun Kuo; Patrick S. Nicholson 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 796 KB

A model is presented that simulates the growth of Na-P"-A120, single-crystal films from sapphire substrates in alkali atmospheres. The formation of v-AI,O, occurs via Na-0 insertion, cr-Al,O, oxygen lattice transition and A13+ ion redistribution. Calculations are presented, based on the chemical and