Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2644
Title: Spintronic properties of zigzag-edged triangular graphene flakes
Authors: Şahin, Hasan
Senger, Ramazan Tuğrul
Çıracı, Salim
Keywords: Current voltage characteristics
Quantum transport properties
Edge-atoms
Antiferromagnetic state
Zigzag edges
Magnetic moments
Issue Date: Oct-2010
Publisher: American Institute of Physics
Source: Şahin, H., Senger, R. T., and Çıracı, S. (2010). Spintronic properties of zigzag-edged triangular graphene flakes. Journal of Applied Physics, 108(7). doi:10.1063/1.3489919
Abstract: We investigate quantum transport properties of triangular graphene flakes with zigzag edges by using first principles calculations. Triangular graphene flakes have large magnetic moments which vary with the number of hydrogen atoms terminating its edge atoms and scale with its size. Electronic transmission and current-voltage characteristics of these flakes, when contacted with metallic electrodes, reveal spin valve and remarkable rectification features. The transition from ferromagnetic to antiferromagnetic state under bias voltage can, however, terminate the spin polarizing effects for specific flakes. Geometry and size dependent transport properties of graphene flakes may be crucial for spintronic nanodevice applications. © 2010 American Institute of Physics.
URI: http://doi.org/10.1063/1.3489919
http://hdl.handle.net/11147/2644
ISSN: 0021-8979
1089-7550
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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