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Pregled bibliografske jedinice broj: 302645

Iron Redox Equilibrium, Structure and Properties of Zinc Iron Phosphate Glasses

Reis, S. T.; Moguš-Milanković, Andrea; Ličina, Vesna; Yang, Jinbo; Karabulut, M.; Day, D. E.; Brow, R. K.
Iron Redox Equilibrium, Structure and Properties of Zinc Iron Phosphate Glasses // Journal of Non-Crystalline Solids, 353 (2007), 2; 151-158 doi:10.1016/j.jnoncrysol.2006.10.002 (međunarodna recenzija, članak, znanstveni)

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Naslov
Iron Redox Equilibrium, Structure and Properties of Zinc Iron Phosphate Glasses

Autori
Reis, S. T. ; Moguš-Milanković, Andrea ; Ličina, Vesna ; Yang, Jinbo ; Karabulut, M. ; Day, D. E. ; Brow, R. K.

Izvornik
Journal of Non-Crystalline Solids (0022-3093) 353 (2007), 2; 151-158

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
phosphate glasses ; redox equilibrium ; structure

Sažetak
Iron redox equilibrium, structure and properties were investigated for the 10ZnO-30Fe2O3-60P2O5 (mol%) glasses melted at different temperatures. The structure and valence states of the iron ions in these glasses were investigated using Mössbauer spectroscopy, Raman spectroscopy and differential thermal analysis. Mössbauer spectroscopy indicated that the concentration of Fe2+ ions increased in the 10ZnO-30Fe2O3-60P2O5 (mol%) glass with increasing melting temperature. The Fe2+/(Fe2+ + Fe3+) ratio increased from 0.18 to 0.38 as the melting temperature increased from 1100 to 1300 C. The measured isomer shifts showed that both Fe2+ and Fe3+ ions are in octahedral coordination. It was shown that the dc conductivity strongly depended on Fe2+/(Fe2++Fe3+) ratio in glasses. The dc conductivity increases with the increasing Fe2+ ion content in these glasses. The conductivity arises from the polaron hopping between Fe2+ and Fe3+ ions which suggests that the conduction is electronic in nature in zinc iron phosphate glasses.

Izvorni jezik
Engleski

Znanstvena područja
Kemija



POVEZANOST RADA

Projekti:
098-0982929-2916 - Utjecaj strukture na električna svojstva (bioaktivnih) stakala i keramike (Moguš-Milanković, Andrea, MZOS ) ( CroRIS)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Andrea Moguš-Milanković (autor)

Avatar Url Vesna Ličina (autor)

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com

Citiraj ovu publikaciju:

Reis, S. T.; Moguš-Milanković, Andrea; Ličina, Vesna; Yang, Jinbo; Karabulut, M.; Day, D. E.; Brow, R. K.
Iron Redox Equilibrium, Structure and Properties of Zinc Iron Phosphate Glasses // Journal of Non-Crystalline Solids, 353 (2007), 2; 151-158 doi:10.1016/j.jnoncrysol.2006.10.002 (međunarodna recenzija, članak, znanstveni)
Reis, S., Moguš-Milanković, A., Ličina, V., Yang, J., Karabulut, M., Day, D. & Brow, R. (2007) Iron Redox Equilibrium, Structure and Properties of Zinc Iron Phosphate Glasses. Journal of Non-Crystalline Solids, 353 (2), 151-158 doi:10.1016/j.jnoncrysol.2006.10.002.
@article{article, author = {Reis, S. T. and Mogu\v{s}-Milankovi\'{c}, Andrea and Li\v{c}ina, Vesna and Yang, Jinbo and Karabulut, M. and Day, D. E. and Brow, R. K.}, year = {2007}, pages = {151-158}, DOI = {10.1016/j.jnoncrysol.2006.10.002}, keywords = {phosphate glasses, redox equilibrium, structure}, journal = {Journal of Non-Crystalline Solids}, doi = {10.1016/j.jnoncrysol.2006.10.002}, volume = {353}, number = {2}, issn = {0022-3093}, title = {Iron Redox Equilibrium, Structure and Properties of Zinc Iron Phosphate Glasses}, keyword = {phosphate glasses, redox equilibrium, structure} }
@article{article, author = {Reis, S. T. and Mogu\v{s}-Milankovi\'{c}, Andrea and Li\v{c}ina, Vesna and Yang, Jinbo and Karabulut, M. and Day, D. E. and Brow, R. K.}, year = {2007}, pages = {151-158}, DOI = {10.1016/j.jnoncrysol.2006.10.002}, keywords = {phosphate glasses, redox equilibrium, structure}, journal = {Journal of Non-Crystalline Solids}, doi = {10.1016/j.jnoncrysol.2006.10.002}, volume = {353}, number = {2}, issn = {0022-3093}, title = {Iron Redox Equilibrium, Structure and Properties of Zinc Iron Phosphate Glasses}, keyword = {phosphate glasses, redox equilibrium, structure} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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