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|Title:||Charge and spin transport in graphene-based heterostructure||Authors:||Zeng, M.
|Issue Date:||31-Jan-2011||Citation:||Zeng, M., Shen, L., Yang, M., Zhang, C., Feng, Y. (2011-01-31). Charge and spin transport in graphene-based heterostructure. Applied Physics Letters 98 (5) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3549154||Abstract:||We investigate electron transport properties of a heterostructure based on zigzag graphene nanoribbon (ZGNR) by first-principles calculations. This heterostructure consists of hydrogen-terminated ZGNR (ZGNR-H) and oxygen-terminated ZGNR (ZGNR-O). We find that both charge and spin transport can be well controlled with the ZGNR-H/ZGNR-O heterostructure. A large charge transmission gap appears near the Fermi energy, and rectification behavior is observed. Moreover, the ZGNR-H/ZGNR-O heterostructure can act as a perfect bipolar spin filter or magnetoresistance device. Our results show that the ZGNR-H/ZGNR-O heterostructure hold promise for combining magnetoelectronics and conventional charge-based electronics. © 2011 American Institute of Physics.||Source Title:||Applied Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/55285||ISSN:||00036951||DOI:||10.1063/1.3549154|
|Appears in Collections:||Staff Publications|
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