Magnetic ordering in the S=1/2 quasi-one-dimensional compound La6Ca8Cu24O41

被引：44
|
作者：
Matsuda, M [1 ]
Katsumata, K [1 ]
Yokoo, T [1 ]
Shapiro, SM [1 ]
Shirane, G [1 ]
机构：
[1] BROOKHAVEN NATL LAB,DEPT PHYS,UPTON,NY 11973
来源：
PHYSICAL REVIEW B | 1996年 / 54卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.54.R15626
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetic-susceptibility, heat-capacity, and neutron-scattering measurements have been performed on the S=1/2 quasi-one-dimensional system La6Ca8Cu24O41, which has both simple chains and two-leg ladders of Cu2+ ions. The singlet state with dimerization observed in the chains of Sr14Cu24O41 becomes magnetic in La6Ca8Cu24O41 and a magnetic ordering has been observed below 12.20+/-0.05 K. The magnetic structure in the ordered phase is such that spins in the chains are parallel and these ferromagnetic chains have a modulated structure.
引用
收藏
页码：15626 / 15628
页数：3
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