Glass transition and crystallization of 0.8TeO2 + 0.2CdF2 glass

D. Tatar; M. L. Öveçoǧlu; G. Özen; B. Erim

doi:10.1016/j.jeurceramsoc.2008.03.042

Glass transition and crystallization of 0.8TeO₂ + 0.2CdF₂ glass

D. Tatar^*, M. L. Öveçoǧlu, G. Özen, B. Erim

^*Corresponding author for this work

Istanbul Technical University

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

The scope of this study is to determine the different crystal formation in the 0.8TeO₂ + 0.2CdF₂ glasses heated with different rates to various annealing temperatures by using differential thermal analysis (DTA), X-ray diffraction (XRD) techniques, chemical analysis, optical microscope and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS). Different number of exothermic peaks were observed indicating the different crystallization or the transition of certain phases in the glass structure as the heating rate of DTA scans varied from 5 to 20 °C/min. On the basis of the XRD investigations α-TeO₂, γ-TeO₂ and CdTe₂O₅ crystalline phases were determined. SEM/EDS investigations of all the glasses revealed the presence of different phases correlated with the XRD analysis.

Original language	English
Pages (from-to)	329-335
Number of pages	7
Journal	Journal of the European Ceramic Society
Volume	29
Issue number	2
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2008.03.042
Publication status	Published - Jan 2009

Funding

The authors of this study express their gratitude to Dr. Nuri Solak for his comments on the XRD and DTA analysis. This research has been supported by the Scientific and Research Council of Turkey (TÜBİTAK) for the financial support under the project numbered 106T347.

Funders	Funder number
Scientific and Research Council of Turkey
TÜBİTAK	106T347

Keywords

Microstructure
Tellurite glass
Thermal properties

Access to Document

10.1016/j.jeurceramsoc.2008.03.042

Cite this

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title = "Glass transition and crystallization of 0.8TeO2 + 0.2CdF2 glass",

abstract = "The scope of this study is to determine the different crystal formation in the 0.8TeO2 + 0.2CdF2 glasses heated with different rates to various annealing temperatures by using differential thermal analysis (DTA), X-ray diffraction (XRD) techniques, chemical analysis, optical microscope and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS). Different number of exothermic peaks were observed indicating the different crystallization or the transition of certain phases in the glass structure as the heating rate of DTA scans varied from 5 to 20 °C/min. On the basis of the XRD investigations α-TeO2, γ-TeO2 and CdTe2O5 crystalline phases were determined. SEM/EDS investigations of all the glasses revealed the presence of different phases correlated with the XRD analysis.",

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AB - The scope of this study is to determine the different crystal formation in the 0.8TeO2 + 0.2CdF2 glasses heated with different rates to various annealing temperatures by using differential thermal analysis (DTA), X-ray diffraction (XRD) techniques, chemical analysis, optical microscope and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS). Different number of exothermic peaks were observed indicating the different crystallization or the transition of certain phases in the glass structure as the heating rate of DTA scans varied from 5 to 20 °C/min. On the basis of the XRD investigations α-TeO2, γ-TeO2 and CdTe2O5 crystalline phases were determined. SEM/EDS investigations of all the glasses revealed the presence of different phases correlated with the XRD analysis.

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KW - Tellurite glass

KW - Thermal properties

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