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- W1187426390 abstract "Graphene nanoribbon field effect transistors are promising devices for beyond-CMOS nanoelectronics. Graphene is a semiconductor material with zero bandgap and its bandgap must be changed. One of the opening bandgap methods is using graphene nanoribbons. By applying a defect, there is more increase on band gap of monolayer armchair graphene nanoribbon field effect transistor. So, by applying more than one defect, we can reach to much more increase in bandgap of graphene nanoribbon field effect transistors (GNRFET). In this paper, double-gated monolayer armchair graphene nanoribbon field effect transistors (GNRFET) with one single vacancy (1SV) defect (so-called 1SVGNRFET)are simulated and after changing positions of defect in width and length of channel of GNRFET, a structure with three single vacancy (3SVs) defects(so-called 3SVsGNRFET) is offered that this structure has higher ION/IOFF ratio and lower sub-threshold swing than 1SVGNRFET and therefore has better performance. The energy band structure of nanoribbon is obtained by using nearest–neighbour interactions within an approximation tight binding model. Transfer characteristic of the transistor is simulated with solving Poisson-Schrodinger equation self-consistently by using Non- Equilibrium Green Function (NEGF) and in the real space approach." @default.
- W1187426390 created "2016-06-24" @default.
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- W1187426390 date "2015-10-01" @default.
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- W1187426390 title "Improving<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML altimg=si1.gif overflow=scroll><mml:mrow><mml:msub><mml:mrow><mml:mi>I</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant=italic>ON</mml:mi></mml:mrow></mml:msub><mml:mo>/</mml:mo><mml:msub><mml:mrow><mml:mi>I</mml:mi></mml:mrow><mml:mrow><mml:mi mathvariant=italic>OFF</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>and sub-threshold swing in graphene nanoribbon field-effect transistors using single vacancy defects" @default.
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- W1187426390 doi "https://doi.org/10.1016/j.spmi.2015.08.018" @default.
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