Broadband Infrared Luminescence of Ni 2+ in Petalite-Type Transparent Glass Ceramics
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Abstract
Transparent Ni 2+ -doped magnesium aluminosilicate glass ceramics are
prepared. The formation of petalite-type crystallites in the glass
ceramics is confirmed by x-ray diffraction. Broadband infrared
luminescence centred at around 1235nm with full width at half maximum
(FWHM) of about 300nm is observed from the Ni 2+ -doped glass
ceramics. The observed infrared emission could be attributed to the
3T 2(F) →3 A 2(F) transition of octahedral Ni 2+ ions in petalite-type crystallites. The product of the fluorescence lifetime and the stimulated emission cross sections is 1.2×10 -24 cm 2s.
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FENG Gao-Feng, ZHOU Shi-Feng, ZHANG Song-Min, YANG Hu-Cheng, QIU Jian-Rong. Broadband Infrared Luminescence of Ni 2+ in Petalite-Type Transparent Glass Ceramics[J]. Chin. Phys. Lett., 2007, 24(4): 968-970.
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FENG Gao-Feng, ZHOU Shi-Feng, ZHANG Song-Min, YANG Hu-Cheng, QIU Jian-Rong. Broadband Infrared Luminescence of Ni 2+ in Petalite-Type Transparent Glass Ceramics[J]. Chin. Phys. Lett., 2007, 24(4): 968-970.
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FENG Gao-Feng, ZHOU Shi-Feng, ZHANG Song-Min, YANG Hu-Cheng, QIU Jian-Rong. Broadband Infrared Luminescence of Ni 2+ in Petalite-Type Transparent Glass Ceramics[J]. Chin. Phys. Lett., 2007, 24(4): 968-970.
|
FENG Gao-Feng, ZHOU Shi-Feng, ZHANG Song-Min, YANG Hu-Cheng, QIU Jian-Rong. Broadband Infrared Luminescence of Ni 2+ in Petalite-Type Transparent Glass Ceramics[J]. Chin. Phys. Lett., 2007, 24(4): 968-970.
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