Neutron scattering study on the quasi-one-dimensional spin-gap system CuNb2O6

被引：25
|
作者：
Kodama, K
Harashina, H
Sasaki, H
Kato, M
Sato, M
Kakurai, K
Nishi, M
机构：
[1] Nagoya Univ, Dept Phys, Div Mat Sci, Chikusa Ku, Nagoya, Aichi 4648602, Japan
[2] Japan Sci & Technol Corp, CREST, Osaka, Japan
[3] Univ Tokyo, ISSP, Neutron Scattering Lab, Tokai, Ibaraki 3191195, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1999年 / 68卷 / 01期
关键词：
CuNb2O6; spin gap; neutron inelastic scattering;
D O I：
10.1143/JPSJ.68.237
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Inelastic neutron measurements have been performed on a quasi-one-dimensional spin-gap system CuNb2O6. From the dispersion curve of the triplet excitation, the compound has been found to have a ferromagnetic-antiferromagnetic alternating bond chain. The temperature (T) dependence of the magnetic excitation spectra indicates that both the singlet correlation and the antiferromagnetic correlation begin to grow with decreasing T at around T-0, where the spin susceptibility becomes maximum.
引用
收藏
页码：237 / 241
页数：5
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