首页> 外文期刊>Acta crystallographica. Section C, Structural chemistry. >Substitutional disorder in Sr2yEuyB22xSi2+3xAl2xN8+x (x 0.12, y 0.10)
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Substitutional disorder in Sr2yEuyB22xSi2+3xAl2xN8+x (x 0.12, y 0.10)

机译:Sr2yEuyB22xSi2 + 3xAl2xN8 + x中的取代障碍(x 0.12,y 0.10)

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摘要

A novel nitride, Sr2yEuyB22xSi2+3xAl2xN8+x (x 0.12, y 0.10) (distrontium europium diboron disilicon dialuminium octanitride), with the space group P2c, was synthesized from Sr3N2, EuN, Si3N4, AlN and BN under nitrogen gas pressure. The structure consists of a host framework with Sr/Eu atoms accommodated in the cavities. The host framework is constructed by the linkage of MN4 tetrahedra (M = Si, Al) and BN3 triangles, and contains substitutional disorder described by the alternative occupation of B2 or Si2N on the (0, 0, z) axis. The B2:Si2N ratio contained in an entire crystal is about 9:1.
机译:在氮气压力下,由Sr3N2,EuN,Si3N4,AlN和BN合成了空间空间为P2c的新型氮化物Sr2yEuyB22xSi2 + 3xAl2xN8 + x(x 0.12,y 0.10)(dis euro二硼二硅二氮合锡)。该结构由一个宿主框架组成,其中的Sr / Eu原子容纳在空腔中。宿主框架是通过MN4四面体(M = Si,Al)和BN3三角形的链接构建的,并包含由B0或Si2N在(0,0,z)轴上的替代占据所描述的取代无序。整个晶体中所含的B2:Si2N之比约为9:1。

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