Edge State-Induced Novel Electronic Structures and Magnetic Properties of Zigzag AlN/SiC Nanoribbons

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• 作者：Xiu-Juan Du ; Zheng-Wei Zhang ; Ying-Ni Duan…
• 关键词：AlN/SiC nanoribbon ; Electronic structure ; Magnetic properties ; First ; principle study
• 刊名：Journal of Superconductivity Incorporating Novel Magnetism
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：28
• 期：10
• 页码：3053-3057
• 全文大小：886 KB
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• 作者单位：Xiu-Juan Du (1)
  Zheng-Wei Zhang (2)
  Ying-Ni Duan (3)
  Yu-Ling Song (4)
  
  1. School of Applied Science, Taiyuan University of Science and Technology, Taiyuan, 030024, Shanxi, People’s Republic of China
  2. Chemistry and Chemical Engineering Laboratory, The Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumchi, 830011, Xinjiang, People’s Republic of China
  3. Department of Medical Engineering and Technology, Xinjiang Medical University, Urumchi, 830011, Xinjiang, People’s Republic of China
  4. College of Physics and Electronic Engineering, Nanyang Normal University, Nanyang, 473061, Henan, People’s Republic of China
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Superconductivity, Superfluidity and Quantum Fluids
  Magnetism and Magnetic Materials
  Condensed Matter
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1557-1947

文摘

Using first-principle calculations based on density functional theory, we investigate the electronic structures and magnetic properties of zigzag AlN/SiC nanoribbons. Bare N edge can cause the redistribution of the magnetic moment of the whole nanoribbon, whereas bare Si edge only has a certain effect on the magnetic moment of Si–C chain. The magnetic moment of the nanoribbon with bare Si and N edges is slightly larger than the summation of the magnetic moments of the nanoribbon with bare Si edge and nanoribbon with bare N edge. Bare N edge has a main contribution on the band gap of the corresponding nanoribbons. Keywords AlN/SiC nanoribbon Electronic structure Magnetic properties First-principle study