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Kinetics of Transformation of Chains in Amorphous Sulphur Doped with Selenium.
In: Journal of Thermal Analysis & Calorimetry, Jg. 51 (1998-02-01), Heft 2, S. 665-672
Online
academicJournal
Zugriff:
The transformation rate of the chains in amorphous sulphur doped with 2, 4 and 6% at. Se was examined by means of a calorimetric method at 298 K. The samples were remelted at T=443 K. For the description of the results the equation X=1 -cxp[-( kt)] was used ( X-transformation degree, t - time, k and z - constants). Addition of selenium inhibits the transformation and causes a division of the process into two stages, I and II. The constants k and z and the activation energy E were calculated for the two stages. The effect of the addition of selenium on the kinetics of nucleation and growth of the nuclei was discussed. The kinetics of the studied transformation probably depends on the structure of the nucleation centres. [ABSTRACT FROM AUTHOR]
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Titel: |
Kinetics of Transformation of Chains in Amorphous Sulphur Doped with Selenium.
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Autor/in / Beteiligte Person: | Swiątkowski, W. |
Link: | |
Zeitschrift: | Journal of Thermal Analysis & Calorimetry, Jg. 51 (1998-02-01), Heft 2, S. 665-672 |
Veröffentlichung: | 1998 |
Medientyp: | academicJournal |
ISSN: | 1388-6150 (print) |
DOI: | 10.1007/BF03340204 |
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