| PDF - Published Version (1MB) | |
| PDF - Accepted Version arXiv PDF (17.04.2008) (965kB) | |
| PDF - Submitted Version arXiv PDF (20.09.2007) (1MB) |
- URN to cite this document:
- urn:nbn:de:bvb:355-epub-25770
- DOI to cite this document:
- 10.5283/epub.2577
Abstract
We investigate spin conductance in zigzag graphene nanoribbons and propose a spin injection method based only on graphene. Combining density functional theory with tight-binding transport calculations, we find that nanoribbons with asymmetrically shaped edges show a non-zero spin conductance and can be used for spin injection. Furthermore, nanoribbons with rough edges exhibit mesoscopic spin conductance fluctuations with a universal value of .
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