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New ternary intermetallicCe4Pt9Al13тезисы доклада
- Авторы: Morozova Yu, Murashova E., Dunaev S., Rogl P., Giester G., Gribanov A.
- Сборник: SCTE - 2016, 20th International Conference on Solid Compounds of Transition Elements - Book of abstract
- Тезисы
- Год издания: 2016
- Место издания: Zaragoza, Spain
- Первая страница: 269
- Последняя страница: 269
- Аннотация: A novel ternary intermetallic compound Ce4Pt9Al13 was synthesized by arc-melting under argon from pure elemental components and then annealed in an evacuated quartz ampoule at 700 °C for 30 days. Its crystal structure was established via single-crystal X-ray diffraction with a Nonius Kappa CCD diffractometer (MoK¬ radiation ). Ce4Pt9Al13 crystallizes in the orthorhombic structure (space group Pmmn, unit cell parameters: a = 4.1826(1) Å, b = 11.4424(3) Å, c = 19.8475(5) Å). Powder X-ray diffraction data (STOE STADI P diffractometer, Cu Kα1 radiation) of Ce4Pt9Al13 are in a good agreement with the diffraction pattern calculated from X-ray single crystal data. The compound belongs to a new structure type and presents a site exchange variant of the Ho4Ir13Ge9 type [1]. Pt and Al atoms form a three-dimensional framework with Pt-Al distances from 2.467 to 2.622 Å. Cerium atoms occupy large voids of the framework with distances to the nearest atoms of more than 3.19 Å.
- Добавил в систему: Мурашова Елена Викторовна