Title :
Geometry dependent I–V characteristics of gold atomic-sized contacts
Author :
Mohammadzadeh, Saeideh ; Streiter, Reinhard ; Gessner, Thomas
Author_Institution :
Center of Microtechnologies (ZFM), Chemnitz Univ. of Technol. Chemnitz, Chemnitz, Germany
Abstract :
Atomic-sized contacts have attracted significant attention by continuing miniaturization of nanoscale electronic components for the two past decades. In present work, the electronic transport properties of gold atomic-sized contacts are studied using the non-equilibrium Green´s function technique on the density functional tight binding method for modelling the geometry dependent I-V characteristics. The gold contacts are sandwiched between (001) electrodes, and the electronic current is deduced according to the Landauer formulation to study the effect of contact geometry structure.
Keywords :
Green´s function methods; density functional theory; electrical contacts; gold; nanocontacts; tight-binding calculations; Au; I-V characteristics; Landauer formulation; atomic sized contacts; density functional tight binding method; electronic current; electronic transport; miniaturization; nanoscale electronic components; nonequilibrium Green´s function; Chemical technology; Electrodes; Electronic components; Electrons; Geometry; Gold; Green´s function methods; Nanocontacts; Particle scattering; Quantum mechanics; atomic-sized contacts; electronic transport; non-equilibrium Green´s function density functional tight binding method;
Conference_Titel :
Nanotechnology, 2009. IEEE-NANO 2009. 9th IEEE Conference on
Print_ISBN :
978-1-4244-4832-6
Electronic_ISBN :
1944-9399
