A simple hydrothermal route to GaOOH intersecting-rods with regular diamond-like cross section

被引:14
作者
Chen, S. G. [1 ]
Luo, S. M. [2 ]
Zhou, Y. [1 ]
Chen, Y. [1 ]
Liu, Y. Q. [1 ]
Long, C. G. [1 ]
机构
[1] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410076, Hunan, Peoples R China
[2] Hunan Univ Sci & Technol, Hunan Prov Key Lab Hlth Maintenance Mech Equipmen, Xiangtan 411201, Hunan, Peoples R China
关键词
Gallium oxide hydroxide; Hydrothermal; Crystal structure; Crystal growth;
D O I
10.1016/j.matlet.2008.09.001
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
GaOOH crystals were synthesized by a simple hydrothermal method at 90-200 degrees C for 18 h. The products were characterized by X-ray powder diffraction (XRD), field emission scanning electron microscopy (FESEM) and high-resolution transmission electron microscope (HRTEM). The rods synthesized at 110-150 degrees C exhibited intersecting morphology and regular diamond-like cross section with a diagonal length ratio of 2:1, and those synthesized at 180-200 degrees C exhibited nunchakus-like architecture. The formation of diamond-like cross section was due to homogeneous growth of lattice planes, namely {110}, along [410], [4 (-) over bar 10], [(-) over bar 410], and [4 10] directions of orthorhombic GaOOH. Moreover, the formation of the trunk was due to the growth along [001] direction. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:4566 / 4569
页数:4
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