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Electronic and magnetic properties of CrI3 nanoribbons and nanotubes
Wang, Ji-Zhang; Huang, Jian-Qi; Wang, Ya-Ning; Yang, Teng; Zhang, Zhi-Dong
2019-07-01
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume28Issue:7
AbstractCrI3 in two-dimensional (2D) forms has been attracting much attention lately due to its novel magnetic properties at atomic large scale. The size and edge tuning of electronic and magnetic properties for 2D materials has been a promising way to broaden or even enhance their utility, as the case with nanoribbons/nanotubes in graphene, black phosphorus, and transition metal dichalcogenides. Here we studied the CrI3 nanoribbon (NR) and nanotube (NT) systematically to seek the possible size and edge control of the electronic and magnetic properties. We find that ferromagnetic ordering is stable in all the NR and NT structures of interest. An enhancement of the Curie temperature T-C can be expected when the structure goes to NR or NT from its 2D counterpart. The energy difference between the FM and AFM states can be even improved by up to 3-4 times in a zigzag nanoribbon (ZZNR), largely because of the electronic instability arising from a large density of states of iodine-5p orbitals at E-F. In NT structures, shrinking the tube size harvests an enhancement of spin moment by up to 4%, due to the reduced crystal-field gap and the re-balance between the spin majority and minority populations.
KeywordCrI3 nanoribbon nanotube magnetism
Indexed BySCI
Language英语
WOS IDWOS:000476912000001
PublisherIOP PUBLISHING LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80933
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, Ji-Zhang,Huang, Jian-Qi,Wang, Ya-Ning,et al. Electronic and magnetic properties of CrI3 nanoribbons and nanotubes[J]. CHINESE PHYSICS B,2019,28(7).
APA Wang, Ji-Zhang,Huang, Jian-Qi,Wang, Ya-Ning,Yang, Teng,&Zhang, Zhi-Dong.(2019).Electronic and magnetic properties of CrI3 nanoribbons and nanotubes.CHINESE PHYSICS B,28(7).
MLA Wang, Ji-Zhang,et al."Electronic and magnetic properties of CrI3 nanoribbons and nanotubes".CHINESE PHYSICS B 28.7(2019).
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