Magnetism of aluminum atomic chains

被引：0
|
作者：
Lin Qiu-Bao [1 ,2 ]
Li Ai-Yu [3 ]
Wen Yu-Hua [1 ]
Zhu Zi-Zhong [1 ]
机构：
[1] Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China
[2] Jimei Univ, Sch Sci, Xiamen 361021, Peoples R China
[3] Xiamen Univ Technol, Dept Math & Phys, Xiamen 361024, Peoples R China
来源：
ACTA PHYSICA SINICA | 2009年 / 58卷 / 11期
基金：
中国国家自然科学基金;
关键词：
magnetism; Al atomic chains; first-principles calculation;
D O I：
10.7498/aps.58.7983
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By using the first-principles method based on the density functional theory, the magnetism of Al monoatomic chains have been studied. The present calculations show that both the linear and zigzag Al chains can exhibit ferromagnetism. However, the magnetism appears only when the Al chains are elongated. The underlying mechanism has been understood based on the atomic orbital interaction picture, taking into consideration the electronic density of states in combination with the Stoner criteria.
引用
收藏
页码：7983 / 7987
页数：5
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