Japanese Journal of Applied Physics 35(3A), L289 (1996).
GaN layers are grown on (0001) sapphire substrate by electron cyclotron resonance molecular beam epitaxy (ECR-MBE) using an ECR plasma cell with ion removal magnets on the cell top for the nitrogen source. The efficiency of the ion removal magnets in this ECR plasma cell is 99%. High-quality GaN layers are obtained. In particular, (2x2) and (4x4) RHEED (reflection high-energy electron diffraction) patterns are observed during GaN growth and during cooling after growth, respectively, indicating a flat and smooth surface of GaN. These results show the superiority of the ion-removed ECR plasma cell.
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Contributed by Andrej E. Nikolaev from shuttle.ioffe.rssi.ru. on Saturday, June 15, 1996 5:29:17 AM
last updated Thursday, April 28, 2005 2:14:11 PM.
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