Figure 3

The effect of growth time on AlN crystal morphology at T_G=1930°C and a source-to-seed distance of 10 mm. Left: AlN single crystal, 200-300 mm² large and 300-350 µm thick, after 15 hours of growth; Right: AlN single crystal, 200-300 mm² large and 650-700 µm thick, after 28 hours of growth.

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© 2004 The Materials Research Society