Crystal growth of Cd1−xZnxTe by the traveling heater method in microgravity on board of Foton-M4 spacecraft

Cadmium zinc telluride crystals were grown using the traveling heater method (THM) under microgravity conditions on board of Foton-M4 spacecraft, and a reference crystal was grown on Earth under gravity conditions. Structure, chemical and phase compositions of these crystals, their optical character...

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Bibliographic Details
Published in:Journal of crystal growth 2017-01, Vol.457, p.262-264
Main Authors: Borisenko, E.B., Kolesnikov, N.N., Senchenkov, A.S., Fiederle, M.
Format: Article
Language:English
Subjects:
A2. Microgravity conditions
A2. Single crystal growth
A2. Traveling solvent zone growth
B2. Semiconducting cadmium compounds
B2. Semiconducting II-VI materials
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Summary:Cadmium zinc telluride crystals were grown using the traveling heater method (THM) under microgravity conditions on board of Foton-M4 spacecraft, and a reference crystal was grown on Earth under gravity conditions. Structure, chemical and phase compositions of these crystals, their optical characteristics and microhardness were compared. It can be concluded that the THM growth in microgravity has a positive effect on CZT crystals, since they have more homogeneous composition and their structural perfection is improved as compared with the crystals grown under terrestrial conditions, which results in improvement of electric and optical characteristics. •Traveling heater method was used to grow CZT crystals in microgravity.•As a result, CZT single crystals with homogeneous composition are obtained.•Growth in microgravity leads to increase in resistivity and IR transmission of CZT.
ISSN:0022-0248
1873-5002
DOI:10.1016/j.jcrysgro.2016.08.063