Nano Science and Technology Institute
Nanotech 2008 Vol. 3
Nanotech 2008 Vol. 3
Nanotechnology 2008: Microsystems, Photonics, Sensors, Fluidics, Modeling, and Simulation - Technical Proceedings of the 2008 NSTI Nanotechnology Conference and Trade Show, Volume 3
 
Chapter 1: Photonics & Nanowires
 

Phonon-assisted tunnelling mechanism of conduction in SnO2 and ZnO nanowires

Authors:P. Ohlckers, P. Pipinys
Affilation:Vestfold University College, NO
Pages:150 - 152
Keywords:SnO2, ZnO, nanowires, conductivity: phonon-assisted tunnelling
Abstract:Non-linear temperature-dependent current-voltages characteristics of SnO2 nanowires measured by Ma et al [2005 Solid State Commun 130 313] and single ZnO nanorods from (J.Y. Park et al., 2006 Nanotechnology 17 1255] are explained by the model based on phonon-assisted tunneling theory. As is shown, the phonon –assisted tunneling theory can explain well the variation of current with temperature in all measured temperature range from 10 to 200 K over a wide range of electric fields. From the fit of experimental data with theory the density of states in the interface layer is derived and electron-phonon interaction constant is estimated.
Phonon-assisted tunnelling mechanism of conduction in SnO2 and ZnO nanowiresView PDF of paper
ISBN:978-1-4200-8505-1
Pages:940
Hardcopy:$159.95
 
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