Determination of the parameters of phosphor activators in thin-film electroluminescent capacitor structures

Autor:	M. K. Samokhvalov, R. R. Davydov
Rok vydání:	2002
Předmět:	Brightness Materials science Physics and Astronomy (miscellaneous) business.industry Phosphor Electroluminescence law.invention Electroluminescent display Capacitor law Optoelectronics Thin film business Excitation Voltage
Zdroj:	Technical Physics Letters. 28:1049-1051
ISSN:	1090-6533 1063-7850
DOI:	10.1134/1.1535499
Popis:	A method for determining the concentration and electron-impact excitation cross section of activated emission centers in the phosphor layer of a thin-film electroluminescent capacitor structure, based on measurements of the brightness as a function of the applied alternating voltage amplitude and frequency, is analyzed. The error of determination of the parameters of electroluminescence excited by alternating-sign ramp voltage is evaluated. The parameters of electroluminescent structures based on the ZnS:Mn, ZnS:TbF3, and ZnS:SmF3 films are presented.
Databáze:	OpenAIRE
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