Exotic d0 magnetism in partial hydrogenated silicene

被引：18
|
作者：
Ju, Weiwei [1 ]
Li, Tongwei [1 ]
Hou, Zhiwei [2 ]
Wang, Hui [1 ]
Cui, Hongling [1 ]
Li, Xiaohong [1 ]
机构：
[1] Henan Univ Sci & Technol, Coll Phys & Engn, Luoyang 471023, Peoples R China
[2] Henan Univ Technol, Dept Phys, Zhengzhou 450001, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2016年 / 108卷 / 21期
基金：
中国国家自然科学基金;
关键词：
TOTAL-ENERGY CALCULATIONS; 1ST-PRINCIPLES; FERROMAGNETISM;
D O I：
10.1063/1.4952770
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The intriguing d(0) magnetic properties of partially hydrogenated silicene are investigated via first-principles calculations. H atoms are assembled along the diagonal line of 4 x 4 supercell. The magnetism can be engineered through transforming the adsorption sites of H atoms. With odd number of H atoms, the systems demonstrate stable magnetism, and the total magnetic moment of each system is 1 mu(B). No magnetism is found in those systems with equal number of H atoms for sublattice A and sublattice B. Molecular dynamics simulations show the configurations and magnetism of the systems are stable at room temperature. Our work motivates promising applications for silicene in spintronics device. Published by AIP Publishing.
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收藏
页数：5
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