DEPENDENCE OF RADIATIVE EFFICIENCY IN GaP DIODES ON HEAT TREATMENT
- 15 February 1968
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 12 (4) , 115-117
- https://doi.org/10.1063/1.1651916
Abstract
Room temperature electroluminescence peaks at 1.80 and at 1.37 eV in GaP diodes doped with Zn and O are shown to be related. Emission can be shifted from one peak to the other by heat treatments. It is proposed that those emission peaks correspond to recombination at nearest neighbor Zn–O pairs and pairs at larger separations, respectively. The thermal activation energy associated with the transformation of red emission centers to infrared emission centers is 0.54 ± 0.15 eV.Keywords
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