期刊
NANOSCALE
卷 14, 期 10, 页码 3818-3825出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nr06472j
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资金
- National Natural Science Foundation of China [11404119]
- Doctoral Scientific Research Foundation of Hubei University of Technology [BSQD2020106]
The study focuses on a heterojunction composed of specific graphene and graphyne nanoribbons, showing potential for spintronic and spin caloritronic devices with excellent properties. The proposed heterojunction offers promise for multi-effect and low-power-consumption electronic devices.
In order to develop low-power-consumption electronic devices, we studied a heterojunction composed of a 5,4-sawtooth graphene nanoribbon and 6,6,12-graphyne nanoribbon by using first-principles calculations combined with the non-equilibrium Green's function approach. Some spin caloritronic and spintronic devices can be realized based on the heterojunction, exhibiting excellent and multifunctional properties: a net spin current and perfect spin Seebeck effect are generated, a thermal induced and bias induced colossal magnetoresistance is obtained, and a spin filter with 100% spin polarization and a spin rectification with a high rectification ratio are acquired. Our results indicate that the proposed heterojunction is a promising candidate for multi-effect and low-power-consumption electronic devices.
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