Magnetic properties of silicene nanoribbons: A DFT study
Source abstract
Abstract
Magnetism of two-dimensional (2D) materials with bipartite lattice attracts increasingly attention, but the fundamental Lieb’s theory for predicting the magnetism of bipartite lattices is lack of clear physical picture. Here, an alternative approach to understand the magnetism of 2D materials is presented, in which bipartite lattice is proposed to preserve a potential magnetic order (each sublattice keeps the same spin). The electronic system with sp2 hybridization achieves this order by covalent sp2-σ or pz-π bonds concurrently, and proper edge morphology manifests this order. According to our approach, even silicene nanoribbon with armchair edges can show ferromagnetic ground states by proper design. This work would be helpful for designing spintronic devices.
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Research context
OpenAlex topics: Graphene research and applications · Topological Materials and Phenomena · 2D Materials and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Modern Physics, Northwest University 1 , Xi’an 710069, People’s Republic of China
Institute of Photonics & Photo-Technology, National Key Laboratory of Photoelectric Technology and Functional Materials (Culture Base), National Photoelectric Technology and Functional Materials & Application of Science and Technology International Cooperation Base, Northwest University 2 , Xi’an 710069, People’s Republic of China
Department of Physics, Northwest University 3 , Xi’an 710069, People’s Republic of China
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