NIMTE OpenIR  > 2018专题
High magnetoresistance in ultra-thin two-dimensional Cr-based MXenes
Yang, Jianhui; Zhang, Shaozheng; Wang, Anping; Wang, Ruining; Wang, Chuan-Kui; Zhang, Guang-Ping; Chen, Liang
2018
发表期刊NANOSCALE
卷号10期号:41页码:19492-19497
摘要Developing effective magnetoresistance devices has become beneficial due to their extensive applications in electronics such as data storage. One challenge is to reduce the scale of devices while maintaining a high magnetoresistance. Another challenge for the applications of magnetoresistance devices involves synthesizing them with stable interfaces. Antiferromagnetic Cr-based MXenes are similar to tunneling magnetoresistance junctions, and can be synthesized in a straightforward manner. Density functional theory calculations show that the medium adhesion strength between Au electrodes and Cr-based MXene can ensure the formation of stable interfaces. Exchange coupling between Cr atoms in different atomic layers is found to decrease to 0.4 meV with increasing thickness. Magnetoresistance values are higher than 400% with 1.0 V. The results show that Cr-based MXenes are promising magnetoresistance devices with high magnetoresistance values and ultra-thin layers (about 1 nm) and exhibit tunable exchange coupling between Cr atoms through thickness control.
关键词Magnetic Tunnel-junctions Transition Ferromagnetism Crystals Carbides
学科领域Physics
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17038
专题2018专题
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GB/T 7714
Yang, Jianhui,Zhang, Shaozheng,Wang, Anping,et al. High magnetoresistance in ultra-thin two-dimensional Cr-based MXenes[J]. NANOSCALE,2018,10(41):19492-19497.
APA Yang, Jianhui.,Zhang, Shaozheng.,Wang, Anping.,Wang, Ruining.,Wang, Chuan-Kui.,...&Chen, Liang.(2018).High magnetoresistance in ultra-thin two-dimensional Cr-based MXenes.NANOSCALE,10(41),19492-19497.
MLA Yang, Jianhui,et al."High magnetoresistance in ultra-thin two-dimensional Cr-based MXenes".NANOSCALE 10.41(2018):19492-19497.
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