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- W2893418618 abstract "Abstract A large variety of more than sixty Sm3+ doped alumino silicate glass compositions were investigated for their luminescence properties in dependence of their chemical composition. To do so, mainly metaluminous and peralkaline alumino silicate glasses with the network modifiers lithium, sodium, potassium, magnesium, calcium, strontium, barium, yttrium, lanthanum, zinc, and lead were prepared. For some compositions also the effect of fluoride addition, the Al2O3/SiO2 ratio and the substitution of Al2O3 for B2O3 was investigated. A constant Sm3+ doping concentration of 1 × 1020 Sm3+/cm3 was used, which corresponds to about 0.22 mol% Sm2O3. Due to the large quantity of samples, a systematic compositional effect on the Sm3+ emission spectra could be observed: The intensity ratio of the emission peaks at 600 nm and 645 nm is decreased for network modifying ions of larger ionic radii, lower electric field strengths and for higher network modifier concentrations in the glass composition. For exceptionally low network modifier field strengths and concentrations, the emission peak at 645 nm is even stronger than the peak at 600 nm resulting in a more reddish Sm3+ emission in these glasses. The Sm3+ luminescence lifetimes generally decrease with increasing atomic weight, density and refractive index of the glasses. However, peralkaline sodium, potassium, strontium and barium alumino silicate glasses show notably higher luminescence lifetimes than other glass compositions of similar atomic weight. The lifetimes of these glasses are up to 80% higher than their respective metaluminous compositions." @default.
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- W2893418618 date "2018-12-01" @default.
- W2893418618 modified "2023-10-09" @default.
- W2893418618 title "The effect of glass composition on the luminescence properties of Sm3+ doped alumino silicate glasses" @default.
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- W2893418618 doi "https://doi.org/10.1016/j.jnoncrysol.2018.09.008" @default.
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