Study of an Asymmetric Structure of (G/C) and (A/T)Molecules as a Rectifier at NanoScale

Shakir A. A. AL-Saidi; Mohammed H Mokhilif; Ali Natheer Tuaimah

doi:10.47957/ijciar.v6i2.154

Authors

Shakir A. A. AL-Saidi Department of Physics, College of Education of Pure Sciences University of Thi-Qar, Nassiriyha ,Iraq
Mohammed H.Mokhilif Department of Physics, College of Education of Pure Sciences University of Thi-Qar, Nassiriyha ,Iraq
Ali Natheer Tuaimah College of Science University of Thi-Qar, Nassiriyha, Iraq

DOI:

https://doi.org/10.47957/ijciar.v6i2.154

Keywords:

Nanoscale diode, molecular rectifier, tight-binding model, conductance, current

Abstract

In this study, Nano-diode is proposed using an asymmetric structure of two different molecules attached to metal electrodes. The asymmetric molecular structure acts as a molecular diode (MD) in uniformity circuits at the Nano scale. A tight-binding model is adopted to describe MD, and the results are based on the steady-state formula to illustrate charge transfer. Theoretical calculations of the conductivity and current as a function of time, the study of the effect of heat on it, as well as the study of the rectification current ratio as a function of bias voltage, all these calculations were made using two types of molecules of DNA, they are (G/C) and (A/T). The results were encouraging because they gave the common features of the rectification. The analysis may be useful in the fabrication of electronic devices with Nanotechnology.

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