On the induction of homogeneous bulk crystallization in Eu-doped calcium aluminosilicate glass by applying simultaneous high pressure and temperature

Beitrag in einer Fachzeitschrift
(Originalarbeit)


Details zur Publikation

Autor(en): Muniz RF, de Ligny D, Le Floch S, Martinet C, Rohling JH, Medina AN, Sandrini M, Andrade LHC, Lima SM, Baesso ML, Guyot Y
Zeitschrift: Journal of Applied Physics
Verlag: American Institute of Physics (AIP)
Jahr der Veröffentlichung: 2016
Band: 119
Heftnummer: 24
ISSN: 0021-8979


Abstract


From initial calcium aluminosilicate glass, transparent glass-ceramics have been successfully synthesized under simultaneous high pressure and temperature (SHPT). Possible homogeneous volumetric crystallization of this glassy system, which was not achieved previously by means of conventional heat treatment, has been put in evidence with a SHPT procedure. Structural, mechanical, and optical properties of glass and glass-ceramic obtained were investigated. Raman spectroscopy and X-ray diffraction allowed to identify two main crystalline phases: merwinite [Ca3Mg(SiO4)(2)] and diopside [CaMgSi2O6]. A Raman scanning profile showed that the formation of merwinite is quite homogeneous over the bulk sample. However, the sample surface also contains significant diopside crystals. Instrumented Berkovich nanoindentation was applied to determine the effect of SHPT on hardness from glass to glass-ceramic. For Eu-doped samples, the broadband emission due to 4f(6)5d(1) -> 4f(7) transition of Eu2+ was studied in both host systems. Additionally, the D-5(0) -> F-7(J) transition of Eu3+ was used as an environment probe in the pristine glass and the glass-ceramic. Published by AIP Publishing.


FAU-Autoren / FAU-Herausgeber

de Ligny, Dominique Prof. Dr.
Professur für Werkstoffwissenschaften (Glas und Keramik)


Autor(en) der externen Einrichtung(en)
Universidade Estadual de Maringá (UEM) / Maringá State University
Universidade Estadual de Mato Grosso do Sul (UEMS) / State University of Mato Grosso do Sul
Université Claude Bernard Lyon 1 (UCB)


Zitierweisen

APA:
Muniz, R.F., de Ligny, D., Le Floch, S., Martinet, C., Rohling, J.H., Medina, A.N.,... Guyot, Y. (2016). On the induction of homogeneous bulk crystallization in Eu-doped calcium aluminosilicate glass by applying simultaneous high pressure and temperature. Journal of Applied Physics, 119(24). https://dx.doi.org/10.1063/1.4954287

MLA:
Muniz, R. F., et al. "On the induction of homogeneous bulk crystallization in Eu-doped calcium aluminosilicate glass by applying simultaneous high pressure and temperature." Journal of Applied Physics 119.24 (2016).

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