Crystal Structure of Fe2TiO5

July 16 Pub Date : 1984-07-16 DOI:10.1002/PSSA.2210840107
M. Shiojiri, S. Sekimoto, T. Maeda, Y. Ikeda, K. Iwauchi
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引用次数: 14

Abstract

The crystal structure of metal pseudobrookite, Fe2TiO5, is determined from high-resolution electron microscopy images observed and their computer simulated images, with the aid of electron diffraction and X-ray powder diffraction. The new structure has a monoclinic unit, containing eight molecules, with a = 2.223, b = 0.373, c = 0.980 nm, and β = 116.2°. The Fe, Ti, and O atoms occupy the positions (4c), ± (u, 0, w; 1/2 + u, 1/2, w), of C (C2). The most probable parameters u and w, of Fe(1 ∼ 4), Ti(1, 2), and O(1 ∼ 10) are given. La structure cristalline de pseudobrookite metallifere, Fe2TiO5, a ete determinee sur des images observees par le microscope electronique haut-resoluble et sur des images simuliees par ordinatenr, avec la diffraction electronique et avec le methode des poudres aux rayons X. La structure nouvelle a une unite monoclinique, qui contient huit molecules, par a = 2,223, b = 0,373, c = 0,980 nm et β = 116,2 °. Les atomes Fc, Ti, et O occupent les positions (4c), ± (u, 0, w; 1/2 + u, l/2, w), de C (C2) Les parametres, u et w, les plus probables de Fe(1 ∼ 4), Ti(1, 2), et O(1 ∼ 10) sont presentes.
Fe2TiO5的晶体结构
借助电子衍射和x射线粉末衍射,利用高分辨率电子显微镜图像及其计算机模拟图像确定了金属假绿铜矿Fe2TiO5的晶体结构。新结构具有单斜单元,包含8个分子,a = 2.223, b = 0.373, c = 0.980 nm, β = 116.2°。Fe, Ti和O原子位于(4c),±(u, 0, w;1/2 + u (1/2, w) (C (C2))给出了Fe(1 ~ 4)、Ti(1,2)和O(1 ~ 10)的最可能参数u和w。La结构结晶伪brookite metallifere, Fe2TiO5,一种完全确定的图像,通过显微镜电镜观察到的,可分辨的图像,类似于普通的,平均的衍射电子和平均的方法,X. La结构新,一种单一的单斜,相当的元素单位分子,par = 2,223, b = 0,373, c = 0,980 nm et β = 116,2°。原子Fc, Ti, et O占据较少的位置(4c),±(u, 0, w);1/2 + u, 1/2, w), de C (C2) Les参数,u et w, Les加概率de Fe(1 ~ 4), Ti(1,2), et O(1 ~ 10)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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