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arXiv 1402.6004cond-mat.mtrl-sci
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使用锂和钙助熔剂从轻、易挥发和反应性材料生长单晶

Single crystal growth from light, volatile, and reactive materials using lithium and calcium flux

Anton Jesche, Paul C. Canfield

摘要:

我们提出了一种从反应性锂和钙熔体中生长单晶的方法,并将其应用于几种代表性化合物的合成。其中,可以从富Li助熔剂获得单晶Li 3 N、T = {Mn,Fe,Co}的Li 2(Li{1-x}Tx)N、LiCaN、Li 2 C2、LiRh和LiIr,以及从富Ca助熔剂获得Ca 2 N、CaNi 2、CaNi 3、YbNi 2、Y2 Ni 7和LaNi 5。特别强调的是,使用市售的Li 3 N和Ca 3 N2粉末作为氮源,而不是N2气体的氮化物的生长。

英文摘要:

We present a method for the solution growth of single crystals from reactive Li and Ca melts and its application to the synthesis of several, representative compounds. Among these, single crystalline Li3N, Li2(Li{1-x}Tx)N with T = {Mn, Fe, Co}, LiCaN, Li2C2, LiRh, and LiIr from Li-rich flux as well as Ca2N, CaNi2, CaNi3, YbNi2, Y2Ni7, and LaNi5 from Ca-rich flux could be obtained. Special emphasize is given on the growth of nitrides using commercially available Li3N and Ca3N2 powders as the nitrogen source instead of N2 gas.

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