Thermal properties of Na.sub.2O-P.sub.2O.sub.5-Fe.sub.2O.sub.3 polyphosphate glasses

Iron phosphate glasses are materials that can have many applications like durable matrixes in waste immobilization techniques, biomaterials, optoelectronic devices, etc. Their possible usage is related to their glass network and thermal properties. The influence of Na.sub.2O content on thermal prope...

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Bibliographic Details
Published inJournal of thermal analysis and calorimetry Vol. 142; no. 1; pp. 203 - 209
Main Authors Goj, Pawel, Ciecinska, Malgorzata, Szumera, Magdalena, Stoch, Pawel
Format Journal Article
LanguageEnglish
Published Springer 01.10.2020
Subjects
Analysis
Biological products
Phosphates
Thermal properties
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Summary:Iron phosphate glasses are materials that can have many applications like durable matrixes in waste immobilization techniques, biomaterials, optoelectronic devices, etc. Their possible usage is related to their glass network and thermal properties. The influence of Na.sub.2O content on thermal properties and crystallization ability of iron phosphate glass of base composition 30 Fe.sub.2O.sub.3-70 P.sub.2O.sub.5 mol% were studied. Increasing the content of Na.sub.2O causes a decrease in transformation temperature and increase in [DELTA]C.sub.p. Characteristic temperatures, thermal stability and crystallizing phases were determined. Increasing content of sodium causes depolarization of iron phosphate glass network which causes a continuous change in [DELTA]C.sub.p and glass transformation temperature. Discontinuous change in some glass properties suggests structure rebuilding about 30 mol% of Na.sub.2O.
ISSN:1388-6150
1588-2926
DOI:10.1007/s10973-020-09476-3