Single crystal flux growth of the Ising spin-chain system γ-COV2O6

被引：8
|
作者：
He, Zhangzhen [1 ]
Itoh, Mitsuru [2 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
[2] Tokyo Inst Technol, Mat & Struct Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
来源：
JOURNAL OF CRYSTAL GROWTH | 2014年 / 388卷
关键词：
Single crystal growth; Flux method; Vanadates; gamma-CoV2O6; MAGNETIZATION; FIELD;
D O I：
10.1016/j.jcrysgro.2013.11.078
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
CoV2O6 has two structural forms: a low-temperature phase (gamma-CoV2O6) and a high-temperature one (alpha-CoV2O6), separated by a structural transition which occurs at 953 K. In this paper, we first report on large sized single crystals of gamma-CoV2O6 grown successfully by the flux method at a slow cooling rate. The quality of grown crystals is confirmed using XRD and EPMA techniques. Magnetic properties are investigated by means of susceptibility, magnetization, and heat capacity measurements. Our results confirm that gamma-CoV2O6 possesses a long-range antiferromagnetic ordering at similar to 6 K, in which 1/3 magnetization plateau occurs at the critical field of similar to 2500 Oe applied along the magnetic c-axis. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：103 / 106
页数：4
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