Article ID Journal Published Year Pages File Type
1547854 Physica E: Low-dimensional Systems and Nanostructures 2006 4 Pages PDF
Abstract
In the present work, the effect of a central electrical impurity (dipole) on quantum conductance in simple cubic nano-wires (SCNW) has been investigated in the tight-binding (TB) approach and assuming nearest-neighbor interaction by Green's function (GF) method. We illustrate that in the presence of electrical impurity (external potential), the number of channels and energy band of nano-wire decrease. The variation of the energy band and the number of channels depend on the position and amount of the electrical charge (dipole moment) in the SCNW.
Related Topics
Physical Sciences and Engineering Materials Science Electronic, Optical and Magnetic Materials
Authors
, ,