Bipolar magnetic semiconductor and doping controllable spin transport property in 2D CoI2/MnBr2 heterostructure
The integration of two-dimensional heterostructure materials remains a fundamental way for the manipulation of spintronics in practical applications. Here, we predicted the transform of stripy antiferromagnetic (AFM) CoI2 and MnBr2 monolayers to interlayer AFM CoI2/MnBr2 heterostructure with intrala...
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| Veröffentlicht in: | Applied physics letters 2024-02, Vol.124 (6) |
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| container_title | Applied physics letters |
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| creator | Guo, Tianxia Xu, Xiaokang Zhang, Huiyang Xie, Yue Yang, Huanning Rui, Xue Sun, Yi Yao, Xiaojing Wang, Bing Zhang, Xiuyun |
| description | The integration of two-dimensional heterostructure materials remains a fundamental way for the manipulation of spintronics in practical applications. Here, we predicted the transform of stripy antiferromagnetic (AFM) CoI2 and MnBr2 monolayers to interlayer AFM CoI2/MnBr2 heterostructure with intralayer ferromagnetic orders by using density functional theory. Interestingly, the CoI2/MnBr2 heterostructure exhibits a typical bipolar magnetic semiconducting state with type-I band alignments. Moreover, the half-metal/semiconductor transition and spin-up/spin-down polarization switching in CoI2/MnBr2 heterostructure can be effectively triggered by electron/hole doping. Our study provides the potential of AFM spintronics for information storage and processing. |
| doi_str_mv | 10.1063/5.0172966 |
| format | Article |
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| language | eng |
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| source | AIP Journals Complete |
| subjects | Antiferromagnetism Controllability Density functional theory Doping Ferromagnetism Heterostructures Information storage Interlayers Magnetic properties Magnetic semiconductors Metal/semiconductor transitions Polarization (spin alignment) Spintronics Transport properties |
| title | Bipolar magnetic semiconductor and doping controllable spin transport property in 2D CoI2/MnBr2 heterostructure |
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