Czochralski growth of Gd2Ti2O7 single crystals

被引：4
|
作者：
Guo, F. Y. [1 ]
Zhang, W. H. [1 ]
Ruan, M. [1 ]
Kang, J. B. [1 ]
Chen, J. Z. [1 ]
机构：
[1] Fuzhou Univ, Coll Chem & Chem Engn, Fuzhou 350116, Fujian, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2014年 / 402卷
基金：
中国国家自然科学基金;
关键词：
Crystal morphology; Oxygen vacancy; Czochralski method; Pyrochlore; PYROCHLORE; EARTH; FIELD; FRUSTRATION; CHEMISTRY;
D O I：
10.1016/j.jcrysgro.2014.05.011
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Gd2Ti2O7 (GTO) single crystals having dimensions of 17 x 17 x 20 mm(3) were grown by the Czochralski method. These crystals displayed a strong growth habit with (1 1 1) facets. The colors of the as-grown crystals were sensitive to the oxygen concentration both during growth and post-growth annealing. The possible reason for the different colors is discussed and based on transmission, energy dispersive Xray spectroscopy (EDS), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and electron spin resonance (ESR) analyses. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：94 / 98
页数：5
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