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2006 | 110 | 3 | 359-367
Article title

Tuning of Color Chromaticity of Light Emission from ZnSe Films Grown on a GaAs Substrate by Atomic Layer Epitaxy

Content
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Languages of publication
EN
Abstracts
EN
Monocrystalline films of sphalerite-type ZnSe were grown on GaAs(100) substrates from elemental Zn and Se precursors by atomic layer epitaxy in a gas flow system. Due to color mixing of band edge and deep defect-related emissions these layers emit intensive white light. Depth profiling cathodoluminescence indicates that green and red emissions mostly come from disordered regions of the films, close to the ZnSe/GaAs interface. We tested a possibility of tuning of chromaticity coordinates and of color temperature of the emission. We found that the chromaticity parameters (color perception) can be tuned by either regulating the appropriate accelerating voltage of electrons or current density of primary electrons in cathodoluminescence investigations. These properties of ZnSe films make them suitable for some practical applications as white light sources.
Keywords
EN
Year
Volume
110
Issue
3
Pages
359-367
Physical description
Dates
published
2006-09
received
2006-06-17
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv110n312kz
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