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- W1977245280 abstract "Two types of carrier injection electroluminescence can occur in . The luminescence resulting from minority carrier injection at a p‐n junction (p‐n luminescence) reported here and previously by others peaks near 5650 and 7000Aå in Zn‐doped . A much lower efficiency luminescence results from majority carrier excitation at electrode barriers in apparently junction‐free crystals and does not seem to result from an avalanche breakdown process. The emission spectrum for this form of excitation peaks at 5800 and 6500Aå and is the same for n‐ and p‐type material (with the addition of the 7000Aå Zn emission from Zn‐doped, p‐type material). The 5800Aå emission is attributed to recombination across the band gap, the 6500Aå emission to recombination at deep donor levels, and the 7000Aå emission to recombination at deep‐lying Zn acceptor levels. The 77°K photoluminescence peaking at 6300Aå, reported previously by others, is also attributed to recombination at the donor levels. The shift in the peak for the band gap emission to 5800Aå, rather than 5650Aå as in the corresponding p‐n luminescence band, is suggested to be caused by the high field at the electrode barrier. Photoluminescence and photoconduction excitation spectra were also obtained and are consistent with these hypotheses." @default.
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- W1977245280 date "1962-01-01" @default.
- W1977245280 modified "2023-09-25" @default.
- W1977245280 title "Carrier Injection Electroluminescence in GaP" @default.
- W1977245280 doi "https://doi.org/10.1149/1.2425559" @default.
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