Information card for entry 7242265

Structure parameters

• Chemical name: terbium calcium silicate oxide apatite
• Formula: Ca2 O26 Si6 Tb8
• Calculated formula: Ca2.0022 O26 Si6 Tb7.9978
• Title of publication: Tb-based silicate apatites showing slow magnetization relaxation with identical parameters for the Tb3+ and Dy3+ counter ions
• Authors of publication: Zykin, Mikhail A.; Dyakonov, Andrey K.; Eliseev, Artem A.; Trusov, Lev A.; Kremer, Reinhard K.; Dinnebier, Robert E.; Jansen, Martin; Kazin, Pavel E.
• Journal of publication: RSC Advances
• Year of publication: 2021
• Journal volume: 11
• Journal issue: 12
• Pages of publication: 6926 - 6933
• a: 9.39175 ± 0.00004 Å
• b: 9.39175 ± 0.00004 Å
• c: 6.8552 ± 0.00003 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 523.653 ± 0.004 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 4
• Space group number: 176
• Hermann-Mauguin space group symbol: P 63/m
• Hall space group symbol: -P 6c
• Residual factor for all reflections: 0.0131
• Residual factor for significantly intense reflections: 0.0127
• Weighted residual factors for all reflections: 0.0193
• Weighted residual factors for significantly intense reflections: 0.0193
• Goodness-of-fit parameter for all reflections: 1.85
• Method of determination: powder diffraction
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.5406 Å
• Diffraction radiation type: CuKalpha1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No