LATTICE MATCHED CRYSTALLINE REFLECTOR

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A virtual substrate structure with a lattice matched crystalline reflector for a light emitting device including a single crystal rare earth oxide layer deposited on a silicon substrate and substantially crystal lattice matched to the silicon substrate. A reflective layer of single crystal electrically conductive material is deposited on the layer of single crystal rare earth oxide and a layer of single crystal semiconductor material is positioned in overlying relationship to the reflective layer and substantially crystal lattice matched to the reflective layer. A single crystal rare earth oxide layer is optionally deposited between the reflective layer and the layer of semiconductor material.