Journal
EPL
Volume 107, Issue 5, Pages -Publisher
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/107/57002
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Funding
- Cultivation Fund of the Key Scientific and Technical Innovation Project, Ministry of Education of China [708082]
- Chinese NSF grants [11074196, 11374237, 11204232]
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The electronic structure and transport of graphdiyne nanoribbons are investigated theoretically by ab initio calculations. We find that some edge states of zigzag graphdiyne nanoribbons are confined in a narrow energy range. For non-magnetic zigzag graphdiyne nanoribbons, the edge states whose energy is near the valence band top form a special electronic transport channel and lead to current peaks ( about several mu A) at small bias below the conduction voltage. However, ferromagnetic graphdiyne nanoribbons do not have such current peaks because the edge states energy is much higher than the valence band top and the transport channel cannot be formed. Such special effect, which is not found in graphene nanoribbons, does not depend on the width of zigzag graphdiyne nanoribbons. According to the result, it is feasible to apply this novel property to design a magnetically controllable nanoscale switch. Copyright (C) EPLA, 2014
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