
BaSm5[Si9Al3N20]O – a nitridoaluminosilicate oxide with a new structure type composed of “star-shaped” [N[4]((Si,Al)N3)4] units as secondary building units
Keywords: Barium; Samarium; Oxonitridoaluminosilicate; Sialon; Crystal structure; Electron probe micro analysis (EPMA); Twin refinement