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Novel intermetallics RE3Ni4Al2 (RE = La, Ce, Pr, Nd) were synthesized by arc-melting stoichiometric amounts of the elemental constituents, and subsequent annealing at 650°C for 50 days followed by quenching in cold water. The crystal structures were determined from single-crystal X-ray diffraction (XRD) data collected on a CAD4 Enraf Nonius diffractometer with Ag K㜨 radiation. The new compounds crystallize with the monoclinic La3Ni4Ga2-type structure [1] in space group C2/m, alike the recently reported aluminide La3Ni4Al2 [2]. The main crystal data of the phases RE3Ni4Al2 (RE = Ce, Pr, Nd) are given in the Table, while more detailed information on the crystal structure refinements, and the obtained structural parameters are available in the CCDC/FIZ Karlsruhe database via www.ccdc.cam.ac.uk, quoting reference numbers 1940541, 1939606, 1940590, respectively.
№ | Имя | Описание | Имя файла | Размер | Добавлен |
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1. | Краткий текст | Lviv_2019_collected_abstracts-stranitsyi-1-284.pdf | 117,8 КБ | 9 декабря 2019 [NesterenkoSN] |