Magnetic properties of quasi-one-dimensional spin 1/2 Cu chains in Pb[Cu(SO4)(OH)2]

被引：0
|
作者：
Baran, M
Dyeyev, S
Jedrzejczak, A
Maltsev, V
Szymczak, H
机构：
[1] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[2] Moscow MV Lomonosov State Univ, Fac Geol, Moscow 119899, Russia
来源：
EUROPEAN MAGNETIC MATERIALS AND APPLICATIONS | 2001年 / 373-3卷
关键词：
Pb[Cu(SO4)(OH)(2); long-range antiferromagnetic order; spin-singlet ground state; energy gap;
D O I：
10.4028/www.scientific.net/MSF.373-376.689
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic properties of the Pb[Cu(SO4)(OH)(2)] natural single crystal were investigated by magnetization measurements and compared in the low temperature region with the specific heat measurements. In the low temperature region in this quasi-one-dimensional Heisenberg system a phase transition to the long-range antiferromagnetic order is observed probably due to interchain interactions. The temperature dependence of susceptibility with a maximum at low temperatures, characteristic of low-dimensional anti ferromagnets, indicates a spin-singlet ground state separated from the excited triplet state by an energy gap.
引用
收藏
页码：689 / 692
页数：4
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