Fe2+ Diffusion in CVD ZnSe during Annealing in Different (Ar, Zn, and Se) Atmospheres
Autor: | S. V. Kurashkin, V. B. Ikonnikov, E. M. Gavrishchuk, T. S. Tomilova, S A Rodin, N A Timofeeva, D. V. Savin |
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Rok vydání: | 2019 |
Předmět: |
010302 applied physics
Materials science Annealing (metallurgy) General Chemical Engineering Diffusion Doping Metals and Alloys Analytical chemistry 02 engineering and technology Activation energy 021001 nanoscience & nanotechnology 01 natural sciences Inorganic Chemistry Diffusion process 0103 physical sciences Materials Chemistry Crystallite 0210 nano-technology |
Zdroj: | Inorganic Materials. 55:1201-1205 |
ISSN: | 1608-3172 0020-1685 |
DOI: | 10.1134/s0020168519120124 |
Popis: | We have studied Fe2+ diffusion in polycrystalline CVD ZnSe during high-temperature (900–1100°C) annealing in different atmospheres, determined effective Fe2+ diffusion coefficients in CVD ZnSe, and evaluated the activation energy for the diffusion process. Distinctive features of the doping process in Zn vapor have been identified that are responsible for the observed order-of-magnitude increase in Fe diffusion rate in comparison with annealing in Ar and Se. The effect of annealing conditions on Fe diffusion mechanisms is discussed. |
Databáze: | OpenAIRE |
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