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Graphene is a one-atom-thick planar sheet of sp2-bonded carbon atoms that are densely packed in a honeycomb crystal lattice. The term Graphene was coined as a combination of graphite and the suffix -ene by Hanns-Peter Boehm, who described single-layer carbon foils in 1962. Graphene is most easily visualized as an atomic-scale chicken wire made of carbon atoms and their bonds. The crystalline or "flake" form of graphite consists of many graphene sheets stacked together.
Learn more about quantum dots from the many resources on this site, listed below. More information on Graphene can be found here.
Modeling of Inter-ribbon Tunneling in Graphene
11 Nov 2016 | | Contributor(s):: Maarten Van de Put, William Gerard Hubert Vandenberghe, Massimo V Fischetti
IWCE presentation. In this paper we investigate the finite-size effect in nano-scaled graphene flakes. Improving on the bulk description, and because the structures are – atomistically speaking – large in size, we use the empirical pseudopotential method.
The Role of Dimensionality on Phonon-Limited Charge Transport: from CNTs to Graphene
27 Oct 2016 | | Contributor(s):: Jing Li, Yann-Michel Niquet
IWCE 2015 presentation.
NEMO5 and 2D Materials: Tuning Bandstructures, Wave Functions and Electrostatic Screening
19 Oct 2016 | | Contributor(s):: Tillmann Christoph Kubis
In this talk, I will briefly discuss the MLWF approach and compare it to DFT and atomistic tight binding. Initial results using the MLWF approach for 2D material based devices will be discussed and compared to experiments. These results unveil systematic band structure changes as functions of...
Many Body Effects on Optical Properties of Graphene
13 Oct 2016 | | Contributor(s):: Subhasis Ghosh
Graphene, a two-dimensional (2D) material shows remarkable optical and electronic properties, such as a linear energy dispersion, chirality and half-integer quantum Hall effect. Multilayer graphene flakes, held together by weak van der Waals forces have also attracted attention due to...
Electronic and Vibrational Properties of 2D Materials from Monolayer to Bulk: Opportunity Unlimited
21 Apr 2016 | | Contributor(s):: Mahesh R Neupane
IWCE 2015 invited presentation. The placement of two dimensional (2D) materials such as hexagonal boron nitride (h-BN) and transition metal dichalcogenide (TMDC) at the forefront of materials and device research was pioneered by the discovery of graphene, an atomically thin 2D allotrope of...
Multiscale Modeling of Graphene-Metal Contacts
01 Feb 2016 | | Contributor(s):: T. Cusati, Gianluca Fiori, A. Fortunelli, Giuseppe Iannaccone
IWCE 2015 presentation. The quality of contacts between metals and two- dimensional materials is a critical aspect for the performance of transistors based on two-dimensional materials. In this talk we focus on an approach to multiscale modeling of graphene- metal contacts, considering both...
Simulation of Organic Solar Cell with Graphene Transparent Electrode
13 Nov 2015 | | Contributor(s):: Paolo Paletti, giacomo ulisse, Giuseppe Iannaccone, Gianluca Fiori
IWCE 2015 presentation. We present a simulation study of the performance of organic solar cell (OSC) exploiting graphene as transparent electrode. The approach is based on a multi-scale/multi-physics simulation framework, which is able to provide relevant information regarding the design...
Self-Consistent Field and Master Equation Approach to Calculating the Dielectric Function of Graphene
17 Sep 2015 | | Contributor(s):: Farhad Karimi, Irena Knezevic
IWCE 2015 presentation. Abstract and more information to be added at a later date.
A Comparative Study of nanoHUB Tools for the Simulation of Carbon-based FETs
03 Sep 2015 | | Contributor(s):: Jose M. de la Rosa
This work compares the different tools available in nanoHUB for the electrical simulation of carbon- based field-effect transistors made up of either carbon nanotubes (CNTs) or graphene. ...
Multi-Format Roll-to-Roll Graphene Nanomanufacturing
21 Jul 2015 | | Contributor(s):: Timothy S Fisher
The PhotonicVASEfit Tutorial
18 Jun 2015 | | Contributor(s):: Ludmila Prokopeva, Alexander V. Kildishev
This online presentation will help you to get started with our simulation tool PhotonicVASEfit. In the introduction we explain the scenarios in which the simulation tool can be used. We describe the fitting models and give a demo with complete how-to-use instructions.
PhotonicVASEfit: VASE fitting tool
19 May 2015 | | Contributor(s):: Ludmila Prokopeva, You-Chia Chang, Alexander V. Kildishev (editor)
Retrieves optical constants of a material by fitting it to VASE (Variable Angle Spectroscopic Ellipsometry) data
Graphene: Materials, Physics and Devices of a Unique 2D Electronic System (2DES)
08 Apr 2015 | | Contributor(s):: Yong P. Chen
Symmetry, Dimension, and Spin: Understanding transport in 2D 'phosphorene'
02 Mar 2015 | | Contributor(s):: Ian Appelbaum
Despite its low atomic number and inversion symmetry, recent electronic measurements demonstrate that (group-IV) graphene has a greatly disappointing spin lifetime, corroborated by theory showing strong spin-flip scattering by flexural (out-of-plane) phonons. There exists a class of...
Spaser in Quantum Regime
02 Feb 2015 | | Contributor(s):: Mark I Stockman
The spaser have been introduced theoretically and discovered experimentally. We briefly consider quantum theory and latest results on spaser as an ultrafast quantum generator and amplifier of nanoplasmonic fields, ultrabright nanolabel, and highly-efficient nanosensor. We present latest original...
Crystal Viewer V3.0 First Time User Guide
19 Jan 2015 | | Contributor(s):: Yuanchen Chu, James Fonseca, Michael Povolotskyi, Gerhard Klimeck
This first-time user guide is an introduction to the Crystal Viewer Tool V3.0.
Tunnel FET Learning Tutorial
20 Feb 2014 | | Contributor(s):: Mark Cheung
This module covers: Field-effect transistor (FET) review,Motivation for TFET,Device design and simulation,Literature review,Simulation results
[Illinois] Metal and Semiconductor Nanoparticles Supported on Graphene for Energy Conversion and Heterogeneous Catalysis
27 Sep 2013 | | Contributor(s):: M. Samy El Shall
Graphene has attracted great interest for a fundamental understanding of its unique structural and electronic properties and also for important potential applications in nanoelectronics and devices. The combination of highest mobility, thermal, chemical, and mechanical stability with the high...
Quick and Easy Guide to Carbon Structure Simulations using Crystal Viewer Tool
30 Sep 2013 | | Contributor(s):: Tanya Faltens
These are step-by-step instructions for creating simulations of carbon nanostructures:- buckly ball- carbon nanotubes- graphene sheetsThese instructions will allow teachers to run simulations that students can use along with, or instead of, building 3D models of structures.In NanoDays 2013 at...
SPICE Model of Graphene Nanoribbon FETs
27 Feb 2013 | | Contributor(s):: Ying-Yu Chen, Morteza Gholipour, Artem Rogachev, Amit Sangai, Deming Chen
Graphene Nano-Ribbons Field-Effect Transistors HSPICE implementation based on the following two publications: Y-Y. Chen, A. Rogachev, A. Sangai, G. Iannaccone, G. Fiori, and D. Chen (2013). A SPICE-Compatible Model of Graphene Nano-Ribbon Field-Effect Transistors Enabling Circuit-Level Delay...