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Funahashi S.,National Instutute for Materials Science | Michiue Y.,National Instutute for Materials Science | Takeda T.,National Instutute for Materials Science | Xie R.-J.,National Instutute for Materials Science | Hirosaki N.,National Instutute for Materials Science
Acta Crystallographica Section C: Structural Chemistry | Year: 2014

A novel nitride, Sr2-y Eu y B2-2x Si2+3x Al2-x N8+x (x≈0.12, y≈0.10) (distrontium europium diboron disilicon dialuminium octanitride), with the space group P62c, 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 BN 3 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. © 2014 International Union of Crystallography. Source

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