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Visible light-emitting diodes consisting of AlP-GaP short-period superlattices

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5 Author(s)
Morii, A. ; Imaging Sci. & Eng. Lab., Tokyo Inst. of Technol., Yokohama, Japan ; Okagawa, H. ; Hara, K. ; Yoshino, J.
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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.

Published in:

Electronics Letters  (Volume:28 ,  Issue: 9 )