Lu37Ru16.4In4——与8×8×8 bcc超结构密切相关的一种新结构类型中的着色和空位形成

IF 0.9 4区材料科学 Q3 CRYSTALLOGRAPHY

Zeitschrift Fur Kristallographie-Crystalline Materials Pub Date : 2022-07-07 DOI:10.1515/zkri-2022-0031

N. Gulay, G. Kreiner, Y. Kalychak, R. Pöttgen

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引用次数: 0

摘要

摘要:采用在密封钽安瓿中感应熔融并退火的方法合成了富镥金属间化合物Lu37Ru16.4In4。从单晶x射线衍射仪数据中提炼出Lu37Ru16.4In4结构:新型，Ia 3 * d$ Ia\overline{3}d$， a = 2756.21(11) pm, wR2 = 0.0579, 3056 F2值和92个变量。基于群-子群方案，以bcc构造为主要构造类型，讨论了Lu37Ru16.4In4上部构造的形成。

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Lu37Ru16.4In4 – coloring and vacancy formation in a new structure type closely related to a 8 × 8 × 8 bcc superstructure

Abstract The lutetium-rich intermetallic compound Lu37Ru16.4In4 was synthesized by induction melting of the elements in a sealed tantalum ampoule and subsequent annealing. The Lu37Ru16.4In4 structure was refined from single crystal X-ray diffractometer data: new type, I a 3 ‾ d $Ia\overline{3}d$ , a = 2756.21(11) pm, wR2 = 0.0579, 3056 F2 values and 92 variables. The superstructure formation of Lu37Ru16.4In4 is discussed on the basis of a group–subgroup scheme starting from the bcc structure as the aristotype.

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来源期刊

Zeitschrift Fur Kristallographie-Crystalline Materials CRYSTALLOGRAPHY-

CiteScore

2.00

自引率

16.70%

发文量

期刊介绍： Zeitschrift für Kristallographie – Crystalline Materials was founded in 1877 by Paul von Groth and is today one of the world’s oldest scientific journals. It offers a place for researchers to present results of their theoretical experimental crystallographic studies. The journal presents significant results on structures and on properties of organic/inorganic substances with crystalline character, periodically ordered, modulated or quasicrystalline on static and dynamic phenomena applying the various methods of diffraction, spectroscopy and microscopy.