Crystal structure of Ti8Bi9O0.25 containing interstitial oxygen atoms

被引：5
作者：
Yamane, Hisanori [1 ]
Hiraka, Keita [1 ]
机构：
[1] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Aoba Ku, 2-1-1 Katahira, Sendai, Miyagi 9808577, Japan
来源：
ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS | 2018年 / 74卷
关键词：
titanium bismuth oxygen; Bi flux growth; crystal structure; interstitial site;
D O I：
10.1107/S205698901801188X
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Single crystals of Ti8Bi9O0.25, titanium bismuth oxide (8/9/0.25), were obtained from a sample prepared by heating a mixture of Ti, TiO2 and Bi powders in an Ar atmosphere. Single-crystal X-ray analysis revealed that the introduction of O atoms into the structure of Ti8Bi9 retains the space-group type P4/nmm. The oxygen site is located within a Ti-4 tetrahedron (point group symmetry (4) over bar m2) that is vacant in the Ti8Bi9 crystal structure. The occupancy of this site is 0.25 (4), and the O-Ti distance is 1.8824 (11) angstrom.
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页码：1366 / +
页数：9
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