Information card for entry 4000883

Structure parameters

• Chemical name: Strontium Calcium Aluminum Silicon Oxygen Fluoride
• Formula: Al0.6 Ca1.2 Ce0.0225 F0.5775 O4.4225 Si0.4 Sr1.7775
• Calculated formula: Al0.6 Ca1.2 Ce0.0225 F0.5775 O4.4225 Si0.4 Sr1.7775
• Title of publication: Energy-Efficient, High-Color-Rendering LED Lamps Using Oxyfluoride and Fluoride Phosphors
• Authors of publication: Setlur, Anant A.; Radkov, Emil V.; Henderson, Claire S.; Her, Jae-Hyuk; Srivastava, Alok M.; Karkada, Nagaveni; Kishore, M. Satya; Kumar, N. Prasanth; Aesram, Danny; Deshpande, Anirudha; Kolodin, Boris; Grigorov, Ljudmil S.; Happek, Uwe
• Journal of publication: Chemistry of Materials
• Year of publication: 2010
• Journal volume: 22
• Journal issue: 13
• Pages of publication: 4076
• a: 6.66027 ± 0.000079 Å
• b: 6.66027 ± 0.000079 Å
• c: 10.82919 ± 0.00012 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 480.374 ± 0.01 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 7
• Space group number: 140
• Hermann-Mauguin space group symbol: I 4/m c m
• Hall space group symbol: -I 4 2c
• Residual factor R(I) for significantly intense reflections: 0.04
• Goodness-of-fit parameter for all reflections: 2.87
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 0.77442 Å
• Diffraction radiation type: synchrotron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No