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Optical properties of transparent alkali gallium silicate glass-ceramics containing Ni2+-doped β-Ga2O3 nanocrystals

Published online by Cambridge University Press:  31 January 2011

Botao Wu
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China; and Graduate School of Chinese Academy of Sciences, Beijing 100039, China
Jianrong Qiu*
Affiliation:
State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
Nan Jiang
Affiliation:
Department of Physics and Astronomy, Arizona State University, Tempe, Arizona 85287-1504
Shifeng Zhou
Affiliation:
State Key Laboratory of Silicon Materials, Zhejiang University, Hangzhou 310027, China
Jinjun Ren
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China; and Graduate School of Chinese Academy of Sciences, Beijing 100039, China
Danping Chen
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China
Xiongwei Jiang
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China
Congshan Zhu
Affiliation:
State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Shanghai 201800, China
*
a)Address all correspondence to this author.e-mail: qjr@zju.edu.cn
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Abstract

Broadband near-infrared (IR) luminescence in transparent alkali gallium silicate glass-ceramics containing Ni2+-doped β-Ga2O3 nanocrystals was observed. This broadband emission could be attributed to the 3T2g (3F) → 3A2g (3F) transition of octahedral Ni2+ ions in glass-ceramics. The full width at half-maximum (FWHM) of the near-IR luminescence and fluorescent lifetime of the glass-ceramic doped with 0.10 mol% NiO were 260 nm and ∼1220 μs, respectively. It is expected that transparent Ni2+-doped β-Ga2O3 glass-ceramics with this broad near-IR emission and long fluorescent lifetime have potential applications as super-broadband optical amplification media.

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Articles
Copyright
Copyright © Materials Research Society 2007

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References

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