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

页码：689 / 692

页数：4

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