Sökning: onr:"swepub:oai:DiVA.org:kth-103977" >
Strong current pola...
Strong current polarization and negative differential resistance in chiral graphene nanoribbons with reconstructed (2,1)-edges
-
- Li, Xiao-Fei (författare)
- KTH,Teoretisk kemi och biologi
-
Wang, Ling-Ling (författare)
-
Chen, Ke-Qiu (författare)
-
visa fler...
-
- Luo, Yi (författare)
- KTH,Teoretisk kemi och biologi
-
visa färre...
-
(creator_code:org_t)
- 2012-08-13
- 2012
- Engelska.
-
Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 101:7, s. 073101-
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- We investigate electronic structures and transport properties of chiral-graphene-nanoribbons (CGNRs) with reconstructed (2,1)-edges. First principles results reveal that the (2,1)-CGNRs can be either spin non-polarized or polarized, depending on whether the edges are H-saturated or unsaturated. H-saturated systems are semiconductors with width-dependent transmission gap, while unsaturated systems are metallic at non-polarized state or at antiferromagnetic state and they are semiconductors at ferromagnetic state. Moreover, unsaturated systems possess strong current polarizations (nearly 100%) and a striking negative differential resistance behavior (with a peak-to-valley ratio about 105). These remarkable properties suggest the potential application of (2,1)-CGNRs in molectronics and spintronics.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas