An epitaxial thin film ZnS:Mn DC electroluminescent device
- 1 September 1987
- journal article
- Published by IOP Publishing in Semiconductor Science and Technology
- Vol. 2 (9) , 621-624
- https://doi.org/10.1088/0268-1242/2/9/009
Abstract
The fabrication of an epitaxial thin film ZnS:Mn electroluminescent (EL) device with a ZnSe cathode layer is described. Despite the high degree of structural perfection of the layers, the spatial distribution of EL is non-uniform, indicative of filamentary conduction in the ZnS:Mn. The filamentary conduction is often associated with localised destructive breakdown of the device, which becomes particularly severe at high current levels when the current filaments are found to migrate. Implications for further development of similar commercial thin film DCEL displays are discussed.Keywords
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