A luminescence mapping technique for rapid evaluation of visible-light-emitting materials used in semiconductor light-emitting diodes
Autor: | D.V. Morgan, H. Thomas, Y.H. Aliyu |
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Rok vydání: | 1997 |
Předmět: | |
Zdroj: | Measurement Science and Technology. 8:437-440 |
ISSN: | 1361-6501 0957-0233 |
DOI: | 10.1088/0957-0233/8/4/011 |
Popis: | A technique for the rapid evaluation of the optical performance of wafers grown for fabricating visible-light-emitting diodes (LEDs) is presented. The technique is simple, non-destructive and can be used to qualify wafers prior to the relatively expensive device-processing stage. The technique resolves the problem resulting from the lack of correlation between photoluminescence measurements on as-grown materials and electroluminescence on the final structures. The lack of such correlation has been a pertinent problem for the material growth industry. The materials used for this investigation are those grown specifically for the fabrication of high-performance LEDs. |
Databáze: | OpenAIRE |
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