Graphene nanoribbons could potentially be used to create molecular wires with tailored conductance properties. However, understanding charge transport through a single molecule requires length-dependent conductance measurements and a systematic variation of the electrode potentials relative to the electronic states of the molecule. Here, we show that the conductance properties of a single molec...

Devices in which a single strand of DNA is threaded through a nanopore could be used to efficiently sequence DNA. However, various issues will have to be resolved to make this approach practical, including controlling the DNA translocation rate, suppressing stochastic nucleobase motions, and resolving the signal overlap between different nucleobases. Here, we demonstrate theoretically the feasi...

There has been growing interest in developing nanoelectronic devices based on graphene because of its superior electrical properties. In particular, patterning graphene into a nanoribbon can open a bandgap that can be tuned by changing the ribbon width, imparting semiconducting properties. In this study, we report the effect of ribbon width on electrical transport properties of graphene nanorib...

Submitted for the MAR08 Meeting of The American Physical Society Imaging massless Dirac fermion flow in graphene nanoribbons LIVIU P. ZÂRBO, Texas A&M University, BRANISLAV K. NIKOLIĆ, University of Delaware — Since its recent experimental discovery, graphene has been the focus of intense theoretical and experimental research. Its unconventional electronic structure characterized by the linear ...

The electronic transmission and conductance of Dirac electrons in an armchair graphene nanoribbon under external voltage are investigated with the transfer matrix method. We investigate velocity nanoribbons presence single multiple barriers show that coefficients can be modulated by varying order mode, number carbon atoms, barrier velocities. In particular, we find appears to fully transparent ...

Control synthesis of high quality large-area graphene on transition metals (TMs) by chemical vapor deposition (CVD) is the most fascinating approach for practical device applications. Interaction of carbon atoms and TMs is quite critical to obtain graphene with precise layer number, crystal size and structure. Here, we reveal a solid phase reaction process to achieve Cu assisted graphene growth...

Abstract A surface plasmon resonance (SPR) biosensor based on a graphene nanoribbon array in microfluidic flow cell operating flow-over format is studied. The optical response of the numerically obtained by using rigorous couple wave analysis (RCWA). performance described terms limit detection, which calculated as function key dimensional parameters, such strip thickness and width, fill fractio...