
GaN is grown by plasma-assisted molecular-beam epitaxy on ZnO(11̄00) substrates. Well-oriented (11̄00) GaN surfaces are obtained, and (11̄01) oriented facets are also observed. On the GaN(11̄00) surfaces under Ga-rich conditions, a surface reconstruction with approximate symmetry of “4×5” is found. A model is proposed in which this reconstruction consists of ⩾2 monolayers of Ga terminating the GaN surface.
Classical physics not elsewhere classified
Classical physics not elsewhere classified
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