The electroluminescence spectra of ZnS and ZnS:Mn2+ crystals were studied under excitation in ac and dc electric fields from 10(3) to 10(4) V/cm. The relative intensities of the 465-, 510-, and 530-nm emissions in the ZnS crystals are found to depend on excitation conditions. The frequency-dependent brightness-voltage behavior of the ZnS:Mn2+ crystals is interpreted in terms of prebreakdown electroluminescence.
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Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R ChinaChinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
Peng, WQ
Qu, SC
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Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R ChinaChinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
Qu, SC
Cong, GW
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Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R ChinaChinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
Cong, GW
Wang, ZG
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Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R ChinaChinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China