First-Principles Study on the Electronic and Magnetic Properties of Zigzag AlN-SiC Nanoribbons

被引：3

作者：

Du, Xiu-Juan ^{[1
]}

Chen, Zheng ^{[1
]}

Zhang, Jing ^{[1
]}

Ning, Zhao-Rong ^{[1
]}

Fan, Xiao-Li ^{[1
]}

机构：

[1] Northwestern Polytech Univ, State Key Lab Solidificat Proc, Sch Mat Sci & Engn, Xian 710072, Shaanxi, Peoples R China

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2014年 / 27卷 / 04期

基金：

中国国家自然科学基金;

关键词：

AlN-SiC nanoribbon; Electronic structure; Magnetic properties; First principles study; INITIO MOLECULAR-DYNAMICS; TOTAL-ENERGY CALCULATIONS;

D O I：

10.1007/s10948-013-2383-1

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The electronic and magnetic properties of zigzag AlN-SiC nanoribbons are investigated by using the first-principles calculations. The band structures reveal that all the investigated AlN-SiC systems are the magnetic semiconductors, the band gaps of which decrease with the increasing width of the ribbon. The majority spin density is mostly contributed by the edge C atoms with dangling bonds. The total magnetic moments increase with the increasing width of the ribbon and decrease with the increase of the strain. These studies are helpful to the potential applications of the AlN-SiC ribbon in spintronics.

引用

页码：1079 / 1082

页数：4

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