NMR and X-ray investigations of phase transition in [N(C2H5)4]2 ZnCl4

被引：0
|
作者：
Machida, M [1 ]
Ishino, T
Shimoikeda, Y
Gondo, S
Koyano, N
Iwata, Y
机构：
[1] Kyushu Univ, Dept Phys, Fukuoka 81281, Japan
[2] Kyoto Univ, Inst Res Reactor, Kumatori, Osaka 59004, Japan
来源：
FERROELECTRICS | 1998年 / 217卷 / 1-4期
关键词：
X-ray diffraction; crystal structure; high-resolution C-13-NMR; spin-lattice relaxation time;
D O I：
10.1080/00150199808015027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Phase transition in [N(C2H5)(4)](2)ZnCl4 has been investigated by means of X-ray diffraction and high-resolution C-13-NMR. Structure determination shows that [N(C2H5)(4)](+) ion involves disordering between two Nordic crosses at room temperature. C-13-NMR spectra considerably broaden near the transition point in the high temperature phase. The motions of [N(C2H5)(4)](+) ion are analyzed from the temperature dependencies of the NMR line-width and spin-lattice relaxation time.
引用
收藏
页码：105 / 111
页数：7
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