Ce3+ dopant segregation in Y3Al5O 12 optical ceramics

W. Zhao; S. Anghel; C. Mancini; D. Amans; G. Boulon; T. Epicier; Y. Shi; X. Q. Feng; Y. B. Pan; V. Chani; A. Yoshikawa

doi:10.1016/j.optmat.2010.10.007

Ce³⁺ dopant segregation in Y₃Al₅O ₁₂ optical ceramics

W. Zhao, S. Anghel, C. Mancini, D. Amans, G. Boulon, T. Epicier, Y. Shi, X. Q. Feng, Y. B. Pan, V. Chani, A. Yoshikawa

Materials Property Division

Research output: Contribution to journal › Article › peer-review

73 Citations (Scopus)

Abstract

Ce³⁺-doped YAG garnet optical ceramic have been sintered at the Shanghai Institute of Ceramics in China to characterize dopant distribution in optical ceramics by combining optical spectroscopy and two spatially resolved techniques as imaging confocal microscopy and transmission electron microscopy. A strong Ce³⁺ segregation and spatial variations of content between grains and grain boundaries has been confirmed by quantitative data obtained by TEM microscopy. This observation is another evidence of the inhomogeneous Ce³⁺ distribution across grain and grain boundaries in optical ceramics comparable to that of Nd³⁺ ions in YAG ceramics. These results correlate well with low segregation coefficients of Nd³⁺ and Ce³⁺ observed in the garnet crystals grown from the melt and/or flux.

Original language	English
Pages (from-to)	684-687
Number of pages	4
Journal	Optical Materials
Volume	33
Issue number	5
DOIs	https://doi.org/10.1016/j.optmat.2010.10.007
Publication status	Published - 2011 Mar

Keywords

Cerium
Optical ceramics
Scintillators
Segregation
YAG

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Spectroscopy
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Electrical and Electronic Engineering

Access to Document

10.1016/j.optmat.2010.10.007

Cite this

@article{e0749ef80c5a482f99c0ef281be665a5,

title = "Ce3+ dopant segregation in Y3Al5O 12 optical ceramics",

abstract = "Ce3+-doped YAG garnet optical ceramic have been sintered at the Shanghai Institute of Ceramics in China to characterize dopant distribution in optical ceramics by combining optical spectroscopy and two spatially resolved techniques as imaging confocal microscopy and transmission electron microscopy. A strong Ce3+ segregation and spatial variations of content between grains and grain boundaries has been confirmed by quantitative data obtained by TEM microscopy. This observation is another evidence of the inhomogeneous Ce3+ distribution across grain and grain boundaries in optical ceramics comparable to that of Nd3+ ions in YAG ceramics. These results correlate well with low segregation coefficients of Nd3+ and Ce3+ observed in the garnet crystals grown from the melt and/or flux.",

keywords = "Cerium, Optical ceramics, Scintillators, Segregation, YAG",

author = "W. Zhao and S. Anghel and C. Mancini and D. Amans and G. Boulon and T. Epicier and Y. Shi and Feng, {X. Q.} and Pan, {Y. B.} and V. Chani and A. Yoshikawa",

note = "Funding Information: We thank the China Scholarship Council (CSC) and University of Science and Technology of China (USTC) for the scholarship supporting of one author (Wei Zhao) for working in the laboratory “Physico Chimie des Mat{\'e}riaux Luminescents”, UMR 5620 CNRS, UCBLyon1. Funding Information: We are also grateful to be supported by the “ National Nature Science Foundation of China ” ( 10774140 , 11011120083 ). We also thank the “NanOpTec” center (UCB Lyon1) where the Imaging Confocal Microscopy (ICM) technique has been used.",

year = "2011",

month = mar,

doi = "10.1016/j.optmat.2010.10.007",

language = "English",

volume = "33",

pages = "684--687",

journal = "Optical Materials",

issn = "0925-3467",

publisher = "Elsevier",

number = "5",

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TY - JOUR

T1 - Ce3+ dopant segregation in Y3Al5O 12 optical ceramics

AU - Zhao, W.

AU - Anghel, S.

AU - Mancini, C.

AU - Amans, D.

AU - Boulon, G.

AU - Epicier, T.

AU - Shi, Y.

AU - Feng, X. Q.

AU - Pan, Y. B.

AU - Chani, V.

AU - Yoshikawa, A.

N1 - Funding Information: We thank the China Scholarship Council (CSC) and University of Science and Technology of China (USTC) for the scholarship supporting of one author (Wei Zhao) for working in the laboratory “Physico Chimie des Matériaux Luminescents”, UMR 5620 CNRS, UCBLyon1. Funding Information: We are also grateful to be supported by the “ National Nature Science Foundation of China ” ( 10774140 , 11011120083 ). We also thank the “NanOpTec” center (UCB Lyon1) where the Imaging Confocal Microscopy (ICM) technique has been used.

PY - 2011/3

Y1 - 2011/3

N2 - Ce3+-doped YAG garnet optical ceramic have been sintered at the Shanghai Institute of Ceramics in China to characterize dopant distribution in optical ceramics by combining optical spectroscopy and two spatially resolved techniques as imaging confocal microscopy and transmission electron microscopy. A strong Ce3+ segregation and spatial variations of content between grains and grain boundaries has been confirmed by quantitative data obtained by TEM microscopy. This observation is another evidence of the inhomogeneous Ce3+ distribution across grain and grain boundaries in optical ceramics comparable to that of Nd3+ ions in YAG ceramics. These results correlate well with low segregation coefficients of Nd3+ and Ce3+ observed in the garnet crystals grown from the melt and/or flux.

AB - Ce3+-doped YAG garnet optical ceramic have been sintered at the Shanghai Institute of Ceramics in China to characterize dopant distribution in optical ceramics by combining optical spectroscopy and two spatially resolved techniques as imaging confocal microscopy and transmission electron microscopy. A strong Ce3+ segregation and spatial variations of content between grains and grain boundaries has been confirmed by quantitative data obtained by TEM microscopy. This observation is another evidence of the inhomogeneous Ce3+ distribution across grain and grain boundaries in optical ceramics comparable to that of Nd3+ ions in YAG ceramics. These results correlate well with low segregation coefficients of Nd3+ and Ce3+ observed in the garnet crystals grown from the melt and/or flux.

KW - Cerium

KW - Optical ceramics

KW - Scintillators

KW - Segregation

KW - YAG

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