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We present a theoretical study of electron transport in tailored zigzag graphene nanoribbons (ZGNRs) with triangular structure using density functional theory together with the nonequilibrium Green's function formalism. We find significant rectification with a favorite electron transfer direction from the vertex to the right edge. The triangular ZGNR connecting to the electrode with one thiol group...
The electrical conductance of the iron-group metal (Fe, Co, and Ni) nano contacts was measured under the electrochemical potential control. The iron-group metal nano contacts were fabricated by moving the scanning tunneling microscope (STM) tip into and out of contact with the metal substrate, on which iron-group metal was electrochemically deposited. Broad 1–1.5G 0 (G 0 =2e 2...
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