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Nucleation and growth behavior of Er3+doped oxyfluorophosphate glasses

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Nucleation and growth behavior of Er3+doped oxyfluorophosphate glasses. / Ojha, N.; Szczodra, A.; Boetti, N. G.; Massera, J.; Petit, L.

In: RSC Advances, Vol. 10, No. 43, 07.07.2020, p. 25703-25716.

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@article{b9ddb7608cb14aa590a523df3d0be834,
title = "Nucleation and growth behavior of Er3+doped oxyfluorophosphate glasses",
abstract = "The nucleation and growth behavior of glasses with the composition (75 NaPO3-25 CaF2)100-x-(TiO2/ZnO/MgO)x, with x = 0 and x = 1.5 (in mol{\%}) is investigated. The glasses possess similar activation energy for crystallization and Johnson-Mehl-Avrami exponent, with value 2 confirming bulk crystallization of crystals with needle like shape. The Ti and Mg glasses exhibit broader nucleation curve and higher Tn max than the x = 0 and Zn glasses due to their stronger field strength. The crystal growth rates were determined and validated using SEM. Finally, we showed that the nucleation and growth of glasses can be controlled due to the large difference between onset of crystallization and maximum nucleation temperature which is crucial when preparing novel transparent glass-ceramics.",
author = "N. Ojha and A. Szczodra and Boetti, {N. G.} and J. Massera and L. Petit",
year = "2020",
month = "7",
day = "7",
doi = "10.1039/d0ra04681g",
language = "English",
volume = "10",
pages = "25703--25716",
journal = "RSC Advances",
issn = "2046-2069",
publisher = "Royal Society of Chemistry",
number = "43",

}

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TY - JOUR

T1 - Nucleation and growth behavior of Er3+doped oxyfluorophosphate glasses

AU - Ojha, N.

AU - Szczodra, A.

AU - Boetti, N. G.

AU - Massera, J.

AU - Petit, L.

PY - 2020/7/7

Y1 - 2020/7/7

N2 - The nucleation and growth behavior of glasses with the composition (75 NaPO3-25 CaF2)100-x-(TiO2/ZnO/MgO)x, with x = 0 and x = 1.5 (in mol%) is investigated. The glasses possess similar activation energy for crystallization and Johnson-Mehl-Avrami exponent, with value 2 confirming bulk crystallization of crystals with needle like shape. The Ti and Mg glasses exhibit broader nucleation curve and higher Tn max than the x = 0 and Zn glasses due to their stronger field strength. The crystal growth rates were determined and validated using SEM. Finally, we showed that the nucleation and growth of glasses can be controlled due to the large difference between onset of crystallization and maximum nucleation temperature which is crucial when preparing novel transparent glass-ceramics.

AB - The nucleation and growth behavior of glasses with the composition (75 NaPO3-25 CaF2)100-x-(TiO2/ZnO/MgO)x, with x = 0 and x = 1.5 (in mol%) is investigated. The glasses possess similar activation energy for crystallization and Johnson-Mehl-Avrami exponent, with value 2 confirming bulk crystallization of crystals with needle like shape. The Ti and Mg glasses exhibit broader nucleation curve and higher Tn max than the x = 0 and Zn glasses due to their stronger field strength. The crystal growth rates were determined and validated using SEM. Finally, we showed that the nucleation and growth of glasses can be controlled due to the large difference between onset of crystallization and maximum nucleation temperature which is crucial when preparing novel transparent glass-ceramics.

U2 - 10.1039/d0ra04681g

DO - 10.1039/d0ra04681g

M3 - Article

VL - 10

SP - 25703

EP - 25716

JO - RSC Advances

JF - RSC Advances

SN - 2046-2069

IS - 43

ER -