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Defining Borders of Vitrification Region in the Li2O⋅B2O3-B2O3-Yb2O3⋅B2O3 System

Published online by Cambridge University Press:  01 October 2015

MirSalim M. Asadov ,
Asif N. Mammadov ,
Dilgam B. Tagiev  and
Naile A. Akhmedova
MirSalim M. Asadov
Affiliation:
Institute of Catalysis and Inorganic Chemistry named after aсad. M. Nagiyev, Azerbaijan National Academy of Sciences, pr. H. Javid 113, Baku, AZ1143 Azerbaijan
Asif N. Mammadov
Affiliation:
Institute of Catalysis and Inorganic Chemistry named after aсad. M. Nagiyev, Azerbaijan National Academy of Sciences, pr. H. Javid 113, Baku, AZ1143 Azerbaijan
Dilgam B. Tagiev
Affiliation:
Institute of Catalysis and Inorganic Chemistry named after aсad. M. Nagiyev, Azerbaijan National Academy of Sciences, pr. H. Javid 113, Baku, AZ1143 Azerbaijan
Naile A. Akhmedova
Affiliation:
Institute of Catalysis and Inorganic Chemistry named after aсad. M. Nagiyev, Azerbaijan National Academy of Sciences, pr. H. Javid 113, Baku, AZ1143 Azerbaijan
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Abstract

Phase relations along the Li2O⋅2B2O3-Yb2O3⋅B2O3 polythermal section of the Li2O –B2O3–Yb2O3 system were investigated by differential thermal analysis, x-ray diffraction, and microstructural analysis. The state phase diagram of the Li2O⋅2B2O3-Yb2O3⋅B2O3 section is an eutectic system with invariant eutectic point corresponding to ∼0.2 mole fraction of Yb2O3⋅B2O3 and 800 °C. According to physico-chemical analysis, the Li2O⋅2B2O3-Yb2O3⋅B2O3 polythermal section is quasi-binary, allowing us to partially triangulate the Li2O-B2O3-Yb2O3 system. The borders of the glass formation region were defined in the Li2O⋅2B2O3-B2O3-Yb2O3⋅B2O3 concentration triangle. The vitreous samples showed a semiconducting nature.

Keywords

oxidephase equilibriaX-ray diffraction (XRD)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1765: Symposium 4A – Advanced Structural Materials—2014 , 2015 , pp. 115 - 120
Copyright
Copyright © Materials Research Society 2015 

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References

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