Low Temperature Synthesis of α-Alumina with a Seeding Technique

Figure 6

XRD patterns of alumina gels seeded with 5% nanoalumina. Sample (a) is as-prepared alumina. Samples (b), (c), (d), (e), and (f) were alumina gels annealed at 500, 600, 700, 800, and 900°C, respectively. ⚫: α-Al₂O₃, ○: γ-Al₂O₃.