Abstract
Short-period superlattices of AlP-GaP, which form a novel class of light-emitting materials in the spectral region from red to green, were applied for the first time to visible light-emitting diodes fabricated by metal organic vapour phase epitaxy. Light emission from diodes at room temperature was found to be characteristic of the superlattices: emission spectral shift toward shorter wavelengths from red to green and emission intensity increases with decreasing the period of superlattices.
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