Crystallization effect on rare-earth activated biocompatible glass-ceramics

R. Balda; D. Sola; J. I. Peña; J. Fernández

doi:10.1117/12.2002090

18 March 2013 Crystallization effect on rare-earth activated biocompatible glass-ceramics

R. Balda, D. Sola, J. I. Peña, J. Fernández

Proceedings Volume 8626, Oxide-based Materials and Devices IV; 86261A (2013) https://doi.org/10.1117/12.2002090
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

In this work we report the influence of the crystallization stage of the host matrix on the spectroscopic properties of rare earth ions in CaSiO₃/Ca₃(PO₄)₂ biocompatible eutectic glass-ceramics grown by the laser floating zone technique. The microstructural analysis shows that either a growth rate increase or a rod diameter decrease leads the system to a structural arrangement from three (two crystalline and one amorphous) to two phases (one crystalline and one amorphous). The crystalline phases correspond to apatite-like and Ca₂SiO₄ structures. Site-selective laser spectroscopy allows to distinguish between crystalline and amorphous environments for the Nd³⁺ ions and to correlate the spectroscopic properties with the microstructure of these eutectics.

Citation Download Citation

R. Balda, D. Sola, J. I. Peña, and J. Fernández "Crystallization effect on rare-earth activated biocompatible glass-ceramics", Proc. SPIE 8626, Oxide-based Materials and Devices IV, 86261A (18 March 2013); https://doi.org/10.1117/12.2002090

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