Influence of barium oxide on glass-forming ability and glass stability of the tellurite–phosphate oxide glasses

Magdalena Leśniak , Renata Szal , Bartosz Starzyk , Marcin Gajek , Marcin Kochanowicz , Jacek Mariusz Żmojda , Piotr Miluski , Jan Dorosz , Maciej Sitarz , Dominik Dorosz

Abstract

The effect of BaO content on the glass-forming ability, glass stability and structure of tellurite–phosphate oxide glasses in the 70TeO2–10P2O5–(20-x)ZnO–xBaO (x = 0, 5 and 10 mol%) system has been discussed. From the differential scanning calorimetry, the glass transition (Tg), crystallization (Tc) and the melting (Tm) temperatures were estimated. The decrease in reduced glass transition temperature (Trg) and glass-forming tendency parameter (Kh(Tc1)) with addition and increasing BaO caused a decrease in the glass-forming ability of glasses. It was also found that the thermal stability of these glasses against crystallization decreased with increase in BaO concentration into chemical composition of base glass, i.e., glass without barium oxide. The FTIR spectra were measured to understand the structure of the obtained tellurite–phosphate oxide glasses. The results have shown that phosphorous and tellurium ions were taken part in the formation of the glass network of the studied glasses. The addition of BaO caused significant changes in the FTIR spectra of glasses. More and more TeO3 and TeO3?d units and PO4 2- groups (Q1 units) were created when the BaO was added into the chemical composition of the base glass. Increasing barium ions content into the chemical composition of glasses caused depolymerization of the tellurite–phosphate oxide glass network.
Author Magdalena Leśniak
Magdalena Leśniak,,
-
, Renata Szal
Renata Szal,,
-
, Bartosz Starzyk
Bartosz Starzyk,,
-
, Marcin Gajek
Marcin Gajek,,
-
, Marcin Kochanowicz (FEE / DEPEPLT)
Marcin Kochanowicz,,
- Department of Electrical Power Engineering, Photonics and Lighting Technology
, Jacek Mariusz Żmojda (FEE / DEPEPLT)
Jacek Mariusz Żmojda,,
- Department of Electrical Power Engineering, Photonics and Lighting Technology
, Piotr Miluski (FEE / DEPEPLT)
Piotr Miluski,,
- Department of Electrical Power Engineering, Photonics and Lighting Technology
, Jan Dorosz (FEE / DEPEPLT)
Jan Dorosz,,
- Department of Electrical Power Engineering, Photonics and Lighting Technology
, Maciej Sitarz
Maciej Sitarz,,
-
, Dominik Dorosz
Dominik Dorosz,,
-
Journal seriesJournal of Thermal Analysis and Calorimetry, ISSN 1388-6150, e-ISSN 1588-2926, (N/A 70 pkt)
Issue year2019
Vol138
No6
Pages4295-4302
Publication size in sheets0.5
Keywords in EnglishTellurite–phosphate oxide glasses, BaO, Glass-forming stability, Glass stability, Structure
ASJC Classification1606 Physical and Theoretical Chemistry; 3104 Condensed Matter Physics
DOIDOI:10.1007/s10973-019-08715-6
URL https://link.springer.com/content/pdf/10.1007%2Fs10973-019-08715-6.pdf
Internal identifierROC 19-20
Languageen angielski
LicenseJournal (articles only); author's final; Uznanie Autorstwa (CC-BY); with publication
Score (nominal)70
Score sourcejournalList
ScoreMinisterial score = 70.0, 17-02-2020, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2018 = 1.063; WoS Impact Factor: 2018 = 2.471 (2) - 2018=2.084 (5)
Citation count*2 (2020-04-06)
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