Synchrotron X-ray and ab initio studies Of β-Si3N4

被引:35
|
作者
du Boulay, D
Ishizawa, N [1 ]
Atake, T
Streltsov, V
Furuya, K
Munakata, F
机构
[1] Nagoya Inst Technol, Ceram Res Lab, Asahigaoka, Tajimi 5070071, Japan
[2] Tokyo Inst Technol, Mat & Struct Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
[3] CSIRO Hlth Sci & Nutr, Parkville, Vic 3052, Australia
[4] Seimi Chem Co Ltd, Chigasaki, Kanagawa 2538585, Japan
[5] Yokohama Natl Univ, Grad Sch Engn, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan
关键词
D O I
10.1107/S010876810401393X
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Almost absorption- and extinction-free single-crystal synchrotron X-ray diffraction data were measured at 150, 200 and 295 K for beta-Si3N4, silicon nitride, at a wavelength of 0.7 Angstrom. The true symmetry of this material has been the subject of minor controversy for several decades. No compelling evidence favouring the low-symmetry P6(3) model was identified in this study.
引用
收藏
页码:388 / 405
页数:18
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