Journal
NANO LETTERS
Volume 10, Issue 2, Pages 494-498Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl903278w
Keywords
Graphene nanoribbons; tri-wing structure; mechanical stability; tunable electronic properties; ferromagnet
Categories
Funding
- CNSF [10604013, 20873019]
- NBRP [2010CB923401, 2009CB623200]
- NCET [NCET-06-0470]
- SRFDP [20090092110025]
- SEU
- PolyU internal research funds [1-ZV3B, A-PD1U]
- US office of Naval Research [N00014-05-1-0432]
- US National Science Foundation [CMMI-0709333, DMR-0820521]
- Nebraska Research Initiative
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Inspired by strong mechanical stability of Y-shaped beams for building construction, we design a new class of quasione-dimensional graphene nanostructures, namely, tri-wing graphene (TWG) nanoribbons. TWG possesses significantly augmented mechanical stability against torsional and compression forces, and also each wing of the TWG can retain independent electronic properties of the constituent graphene nanoribbons. As such, by tailoring the wing structures, the TWGs can provide broader property tunability for nanoelectronic application. In addition, zigzag-edged TWG is a metallic ferromagnet with a large magnetic moment. When its edges are decorated with suitable chemical functional groups, a TWG can be converted to a half metal for potential spintronic applications.
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