%0 Journal Article
%T Effects of Localized Trap-States and Corrugation on Charge Transport in Graphene Nanoribbons
%A Oleksiy Roslyak
%A Upali Aparajita
%A Godfrey Gumbs
%A Danhong Huang
%J Electronics
%D 2013
%I MDPI AG
%R 10.3390/electronics2020178
%X We investigate effects of the electron traps on adiabatic charge transport in graphene nanoribbons under a longitudinal surface acoustic wave (SAW) potential. Due to the weak SAW potential and strong transverse confinement of nanoribbons, minibands of sliding tunnel-coupled quantum dots are formed. Therefore, as the chemical potential passes through minigaps, quantized adiabatic charge transport is expected to occur. We analyze the condition for a closed minigap, thereby destroying the current quantization in a nanoribbon. We present numerical calculations showing the localized energy states within minigaps. Additionally, we compare the results with the minibands of corrugated nanoribbons.
%K localized trap states
%K graphene nanoribbons
%K charge transport
%K surface acoustic wave
%U http://www.mdpi.com/2079-9292/2/2/178