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Grohsjean, Alexander |
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Falmagne, G. |
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Erice, C. |
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Hernandez, A. M. Vargas |
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Leiton, A. G. Stahl |
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Lipka, K. |
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Pantaleo, F. |
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Torterotot, L. |
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Savina, M. |
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Cerri, O. |
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Jung, A. W. |
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Chiarito, B. |
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Sahin, M. O. |
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Strong, G. |
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Saradhy, R. |
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Joshi, B. M. |
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Kaynak, B. |
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Barrera, C. Baldenegro |
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Longo, Egidio |
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Kolberg, Ted |
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Ferguson, Thomas |
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Leverington, Blake |
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Haase, Fabian |
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Heath, Helen F. |
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Kokkas, Panagiotis |
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Deubener, J.
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Topics
Publications (9/9 displayed)
- 2023Hydrogen Permeability of Tectosilicate Glasses for Tank Barrier Liners
- 2022Silver dissolution and precipitation in an Na2O–ZnO–B2O3 metallization paste glasscitations
- 2021Reducing the raw material usage for room temperature infusible and polymerisable thermoplastic CFRPs through reuse of recycled waste matrix materialcitations
- 2020Hydrogen Permeation Through Glasscitations
- 2019Density, elastic constants and indentation hardness of hydrous soda-lime silica glassescitations
- 2018Updated definition of glass-ceramicscitations
- 2016Water, the other network modifier in borate glassescitations
- 2012Hardness and crack behavior of compressed borate glasses
- 2011Crystallization kinetics of LaF3 nanocrystals in an oxyfluoride glasscitations
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article
Crystallization kinetics of LaF3 nanocrystals in an oxyfluoride glass
Abstract
S.2420-2428 ; Nanocrystallization of LaF3 in a glass of composition 55SiO 2-20Al2O3-15Na2O-10LaF3 (mol%) has been achieved by heat treatment above the glass transition temperature. A maximum crystal size of 14 nm has been attained, with the crystalline fraction and crystal size dependent on the time and temperature of thermal treatment. The effect of lanthanum fluoride crystallization is noticeable from the microstructural and compositional changes in the glass matrix, which have been studied using several techniques, including viscosity, dilatometry, X-ray diffraction, and quantitative Rietveld refinement, transmission electron microscopy, and differential scanning calorimetry. The crystallization mechanism is shown to occur via regions of La- and Si-phase separation in the glass, from which the fluoride crystals develop during heat treatment. The interface between the glass matrix and the crystals in the demixed ranges is enriched in network formers, mainly SiO2, creating a viscous barrier, which inhibits further crystal growth and limits the crystal size to the nanometric range. ; 94 ; Nr.8