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2014 | 126 | 5 | 1156-1158
Article title

Structural and Optical Properties of Alternately-Strained ZnS_{x}Se_{1-x}/CdSe Superlattices with Effective Band-Gap 2.5-2.6 eV

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EN
Abstracts
EN
We report on design and fabrication of alternately-strained ZnS_xSe_{1-x}/CdSe short period superlattices with the effective band-gap 2.52, 2.58, and 2.61 eV and the total thickness ≈300 nm. Transmission electron microscopy, X-ray diffraction, and photoluminescence measurements reveal negligibly small density of misfit dislocations in the superlattices. The investigation of carrier transport along the superlattice growth axis, performed by the photoluminescence measurements of a superlattice with one enlarged quantum well, confirms efficient Bloch-type transport at temperatures above ≈ 100 K. Such superlattices look promising for the applications as a material for the wide band-gap photoactive region of a multi-junction solar cell comprising both III-V and II-VI materials.
Keywords
EN
Year
Volume
126
Issue
5
Pages
1156-1158
Physical description
Dates
published
2014-11
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv126n530kz
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