Journal
NANOSCALE
Volume 5, Issue 10, Pages 4468-4475Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr00731f
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Funding
- National Natural Science Foundation of China [11274130, 11074081, 11004066, 11274128]
- Research Foundation for the Doctoral Program of Higher Education of China [20090142110063, 20100142120080]
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By performing first-principle quantum transport calculations, we studied the transport properties of three kinds of 6,6,12-graphyne nanoribbons with different edges and different cutting directions. The nanoribbon with zigzag edges shows metallic properties and the spin-polarized currents show an obvious negative differential resistance effect, the other two nanoribbons terminated by a phenyl ring are semiconductors and spin-unpolarized. We also designed several nanowire devices based on these 6,6,12-graphyne nanoribbons, such as rectifier, spin filter diode, spin FET and spin caloritronics devices. These results indicate that 6,6,12-graphyne is a potential candidate for spintronics and spin caloritronics.
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