Current-Voltage Characteristics of a Self-Assembled DNA
In this work, we numerically investigate the transport properties of two-dimensional square lattice patterns built from a telomeric DNA sequence, using an effective tight-binding model for the electronic structure, while the current is obtained within a Green’s function framework. We show that the self-assembled DNA structures based on telomeric DNA strands have current-voltage (I-V) characteristics, which make the system eligible for nanoelectronic applications.This paper shows a research on the transport properties of two-dimensional square lattice patterns built from a telomeric DNA sequence. A tight-binding model, and the recursive Green’s function method were used. It is showed that the self-assembled DNA structures based on telomeric DNA strands have current-voltage (I-V) characteristics, with robust plateau structures that favor the scrutiny of DNA-lead, as well as interference effects. An increase of the current, dependent on the distance between the crosses in the self-assembled square lattice structures, is observed, which makes the system eligible for nanoelectronic applications.
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Author BiographiesCarlos Jose Paez Gonzalez, Universidad Industrial de Santander
PhD in Physics, professor School of Physics, ficomaco Research Group, Universidad Industrial de Santander, Carrera 27 Calle 9, 680002, Bucaramanga, Colombia.Jorge Hernan Quintero Orozco, Universidad Industrial de Santander
PhD in Physics, professor School of Physics, cimbios Research Group, Universidad Industrial de Santander, Carrera 27 Calle 9, 680002, Bucaramanga, Colombia.Andrés Camilo García Castro, Universidad Industrial de Santander
PhD in Physics, professor School of Physics, cimbios Research Group, Universidad Industrial de Santander, Carrera 27 Calle 9, 680002, Bucaramanga, Colombia.
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