TITLE

Second-order optical nonlinear and luminescent properties of Ba2TiSi2O8 nanocrystallized glass

AUTHOR(S)
Takahashi, Yoshihiro; Kitamura, Kenji; Benino, Yasuhiko; Fujiwara, Takumi; Komatsu, Takayuki
PUB. DATE
February 2005
SOURCE
Applied Physics Letters;2/28/2005, Vol. 86 Issue 9, p091110
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The optical properties of Ba2TiSi2O8 nanocrystals in transparent crystallized glasses were investigated. The transparent nanocrystallized glass with Ba2TiSi2O8 crystals having a particle size of ∼200 nm was fabricated by crystallization (at 760 °C for 1 h) of a glass with the stoichiometric composition of Ba2TiSi2O8, i.e., 40BaO·20TiO2·40SiO2 glass. Both visible second-harmonic generation (green light, 532 nm) and luminescence (blue light, ∼470 nm) could be observed in the transparent Ba2TiSi2O8 nanocrystallized glass, demonstrating the optical multifunctional nanocrystallized material. It was suggested that the blue luminescence from the transparent Ba2TiSi2O8 nanocrystallized glass originated from the oxygen-related defects of the SiO4 unit in the Ba2TiSi2O8 nanocrystals.
ACCESSION #
16581418

 

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