Matches in SemOpenAlex for { <https://semopenalex.org/work/W4224283175> ?p ?o ?g. }
- W4224283175 abstract "The oxonitridosilicate La7 Sr[Si10 N19 O3 ] : Eu2+ and its substitutional variants RE8-x AEx [Si10 N20-x O2+x ] : Eu2+ with RE=La, Ce; AE=Ca, Sr, Ba and 0≤x≤2 were synthesized starting from REN, SrN/Ca3 N2 /Ba2 N, SiO2 , amorphous Si3 N4 and Eu2 O3 as doping agent at 1600 °C in a radiofrequency furnace. The crystal structure of La7 Sr[Si10 N19 O3 ] was solved and refined based on single-crystal X-ray diffraction data. La7 Sr[Si10 N19 O3 ] crystallizes in the orthorhombic space group Pmn21 (no. 31). The crystal structures of the isotypic compounds RE8-x AEx [Si10 N20-x O2+x ] were confirmed by Rietveld refinements based on powder X-ray diffraction data using the single-crystal data of La7 Sr[Si10 N19 O3 ] as starting point. Crystal structure elucidation reveals a 3D network of vertex sharing SiN4 and SiN2 (N1/2-x/4 O1/2+x/4 )2 (0≤x≤2) tetrahedra. When excited with UV to blue light, La7 Sr[Si10 N19 O3 ] : Eu2+ shows amber luminescence with λem =612 nm and fwhm=84 nm/2194 cm-1 , which makes it interesting for application in amber phosphor-converted light emitting diodes." @default.
- W4224283175 created "2022-04-26" @default.
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- W4224283175 date "2022-05-17" @default.
- W4224283175 modified "2023-10-05" @default.
- W4224283175 title "Synthesis and Luminescence Properties of Amber Emitting La<sub>7</sub>Sr[Si<sub>10</sub>N<sub>19</sub>O<sub>3</sub>] : Eu<sup>2+</sup> and Syntheses of the Substitutional Variants <i>RE</i><sub>8‐<i>x</i></sub><i>AE<sub>x</sub></i>[Si<sub>10</sub>N<sub>20‐<i>x</i></sub>O<sub>2+<i>x</i></sub>] : Eu<sup>2+</sup> with <i>RE</i>=La, Ce; <i>AE</i>=Ca, Sr, Ba; 0≤<i>x</i>≤2" @default.
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- W4224283175 doi "https://doi.org/10.1002/chem.202200760" @default.
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