Structure and Magnetism of the Composite Crystal Ca0.824CuO2

被引：0
|
作者：
Masaaki Isobe
Koji Kimoto
Eiji Takayama-Muromachi
机构：
[1] National Institute for Materials Science (NIMS),
来源：
Journal of Low Temperature Physics | 2003年 / 131卷
关键词：
Magnetic Material; Magnetic State; Structural Distortion; Periodic Sequence; Crystallographic Feature;
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学科分类号：
摘要：
We have studied the magnetic state from a viewpoint of crystallographic features of the 1-D chain compound Ca0.824CuO2. A possible spin-hole arrangement in the magnetically coexisting state was determined by analyzing the local structural distortion in the CuO2 chain by means of a modulated-crystal-structure analysis. The essential periodic sequence expected is ⋅⋅⋅↑○↓↓○↑⋅⋅⋅ (↑↓: up- and down-spin, ○: hole), which can be regarded as a kind of spin-1/2 ferromagnetic-antiferromagnetic alternating Heisenberg chain.
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页码：737 / 741
页数：4
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