Effect of oxygen on structural properties of quenched Ge-Te melts View Full Text


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Article Info

DATE

1973-03

AUTHORS

Takeshi Takamori, Rustum Roy

ABSTRACT

By the deliberate addition of oxygen (up to 1.0 at. % in the form of GeO2), its effect on the structure and properties of quenched Ge-Te glasses was studied. The glass-forming region of the water-quenched melts is narrowed by the addition of oxygen impurity. Replica electron micrographs of the glasses show apparent coarsening of the microstructure by such an oxygen addition, whereas the crystallization behaviour of the splat-cooled melts studied by DTA did not change significantly with this oxygen addition. Morphological features of GeTe crystallites in the glass + crystal portion observed in the oxygen-containing melts are described. However, in cases when either the melts were splat-cooled in an oxidizing atmosphere, or the DTA runs were made in air, a two-stage crystallization reaction was observed on DTA thermograms. Reactivity of the melts with SiO2 glass vials is enhanced by the existence of the impurity oxygen. More... »

PAGES

415-422

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf00550163

DOI

http://dx.doi.org/10.1007/bf00550163

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1020569991


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