Single-Crystal Structures of High-Pressure Phases FeOOH, FeOOD, and GaOOH

被引：25

作者：

Bolotina, N. B. ^{[1
]}

Molchanov, V. N. ^{[1
]}

Dyuzheva, T. I. ^{[2
]}

Lityagina, L. M. ^{[2
]}

Bendeliani, N. A. ^{[2
]}

机构：

[1] Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 119333, Russia

[2] Russian Acad Sci, Inst High Pressure Phys, Troitsk 142190, Moscow Oblast, Russia

来源：

CRYSTALLOGRAPHY REPORTS | 2008年 / 53卷 / 06期

关键词：

D O I：

10.1134/S1063774508060084

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The structures of the epsilon-FeOOH, epsilon-FeOOD, and beta-GaOOH phases, which belong to the InOOH structure type (the distorted TiO(2) structure type), are determined using single-crystal X-ray diffraction analysis. The measurements are performed on X calibur CCD and CAD-4F diffractometers. The calculations are carried out in space group P2(1)nm with the JANA2000 program. The crystals are twinned and form aggregates related by the rotation around the b axis through an angle close to 62 degrees. In the same crystals, the merohedral twinning is characterized by the rotation around the c axis through an angle of 180 degrees. The alternation of these twin domains in the bulk of the crystal determines the corresponding disordering of the hydrogen positions.

引用

页码：960 / 965

页数：6

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