Ce3+ doped Al2O3-YAG binary and Al2O3-YAG-ZrO2 ternary eutectic ceramics solidified by micro-pulling down technique: Numerical analysis, Microstructure and optical characterization
Abstract
Ce:Al2O3-YAG binary and Ce:Al2O3-YAG-ZrO2 ternary eutectic ceramics were synthesized by the micro-pullingdown (mu-PD) method to evaluate the influence of ZrO2 addition on their microstructure, residual stress, and luminescent characteristics. Increasing Ce3+ concentration resulted in progressively deeper surface coloration, consistent with its chromophoric behavior. The microstructural analysis of SEM revealed a typical "Chinese script" morphology in the binary eutectic, whereas the ternary system exhibited a colony-like architecture. X-ray diffraction confirmed the formation of binary and ternary eutectic structures without secondary phases over the investigated Ce3+ concentration range. The binary system exhibited lower residual stress compared with the ternary counterpart under identical processing conditions. Photoluminescence spectra demonstrated efficient visible emission in both systems, although concentration quenching was evident at higher Ce3+ levels. A finite element simulation incorporating induction heating, convection, and radiation was conducted to model thermal transport and melt flow during mu-PD growth. The results indicated that the highest crucible temperature was located near the coil center, and that melt flow was primarily governed by Marangoni convection-more pronounced in the ternary system due to its reduced viscosity and enhanced thermocapillary forces.
Related
- Use of Deep Eutectic Solvents for the Extractive Desulfurization of a Straight Run Gas Oil and a Marine Fuel Oil: Fourier Transform Mass Spectrometry Characterization of Refractory Sulfur Species
- Hydrophobic (deep) eutectic solvents: from characterization and modeling to rational design and applications.
- Ultrasound-assisted extraction of flavonoids from Artemisia argyi folium using deep eutectic solvents: optimization, mechanistic characterization, bioactivity evaluation, and strawberry preservation applications
- Microstructure characterization of self-healing vitrimers via matrix assisted laser desorption/ionization (MALDI) and thermal desorption/pyrolysis direct analysis in real time (TDPy-DART) mass spectrometry (MS) techniques
- Structural Evolution and Thermal Reactivity of Kerke Coal: Molecular Model Construction and Multi-Technique Characterization
BibTeX
@article{chen2026doped,
title = {{Ce3+ doped Al2O3-YAG binary and Al2O3-YAG-ZrO2 ternary eutectic ceramics solidified by micro-pulling down technique: Numerical analysis, Microstructure and optical characterization}},
author = {Peng Chen and Faiza Mokhtari and Yannick Guyot and Abdeldjelil Nehari and Anne Pillonnet and Xiaodong Xu and Kheirreddine Lebbou},
journal = {Optical Materials},
year = {2026},
month = nov,
doi = {10.1016/j.optmat.2026.117941},
url = {https://hal.science/hal-05847300v1},
note = {CC BY-NC-ND 4.0},
}
RIS
TY - JOUR
TI - Ce3+ doped Al2O3-YAG binary and Al2O3-YAG-ZrO2 ternary eutectic ceramics solidified by micro-pulling down technique: Numerical analysis, Microstructure and optical characterization
AU - Peng Chen
AU - Faiza Mokhtari
AU - Yannick Guyot
AU - Abdeldjelil Nehari
AU - Anne Pillonnet
AU - Xiaodong Xu
AU - Kheirreddine Lebbou
PY - 2026
DA - 2026/11/01
JO - Optical Materials
DO - 10.1016/j.optmat.2026.117941
UR - https://hal.science/hal-05847300v1
AB - Ce:Al2O3-YAG binary and Ce:Al2O3-YAG-ZrO2 ternary eutectic ceramics were synthesized by the micro-pullingdown (mu-PD) method to evaluate the influence of ZrO2 addition on their microstructure, residual stress, and luminescent characteristics. Increasing Ce3+ concentration resulted in progressively deeper surface coloration, consistent with its chromophoric behavior. The microstructural analysis of SEM revealed a typical "Chinese script" morphology in the binary eutectic, whereas the ternary system exhibited a colony-like architecture. X-ray diffraction confirmed the formation of binary and ternary eutectic structures without secondary phases over the investigated Ce3+ concentration range. The binary system exhibited lower residual stress compared with the ternary counterpart under identical processing conditions. Photoluminescence spectra demonstrated efficient visible emission in both systems, although concentration quenching was evident at higher Ce3+ levels. A finite element simulation incorporating induction heating, convection, and radiation was conducted to model thermal transport and melt flow during mu-PD growth. The results indicated that the highest crucible temperature was located near the coil center, and that melt flow was primarily governed by Marangoni convection-more pronounced in the ternary system due to its reduced viscosity and enhanced thermocapillary forces.
SN - 0925-3467
SN - 1873-1252
ER -