Tags: bandgap

Resources (1-8 of 8)

  1. ECE 606 L11.1: Bandgap Measurements

    20 Jul 2023 |

  2. Introduction to a Basic Machine Learning Workflow for Predicting Materials Properties

    04 Oct 2022 | | Contributor(s):: Benjamin Afflerbach

    This tutorial will introduce core concepts of machine learning through the lens of a basic workflow to predict material bandgaps from material compositions.

  3. Bandgap Manipulation of Armchair Graphene nanoribbon

    01 Sep 2020 | | Contributor(s):: Lance Fernandes

    Bandgap Manipulation is very important for various applications. Optical Devices need smaller Bandgap where as Diode's need larger Bandgap. Armchair graphene Nanoribbon (AGNR) has a special property where if the numbers of atoms are multiple of three or multiple of three plus one, they are...

  4. ECE 606 Lecture 6: Bandgap, Mass Measurements and Fermi-Dirac Statistics

    28 Sep 2012 | | Contributor(s):: Gerhard Klimeck

  5. Berkeley GW

    27 Sep 2009 | | Contributor(s):: Alexander S McLeod, Peter Doak, Sahar Sharifzadeh, Jeffrey B. Neaton

    This is an educational tool that illustrates the calculation of the electronic structure of materials using many-body perturbation theory within the GW approximation

  6. Nanoelectronic Modeling Lecture 40: Performance Limitations of Graphene Nanoribbon Tunneling FETS due to Line Edge Roughness

    08 Jul 2010 | | Contributor(s):: Gerhard Klimeck, Mathieu Luisier

    This presentation the effects of line edge roughness on graphene nano ribbon (GNR) transitors..Learning Objectives:GNR TFET Simulation pz Tight-Binding Orbital Model 3D Schrödinger-Poisson Solver Device Simulation Structure Optimization (Doping, Lg, VDD) LER => Localized Band Gap States LER =>...

  7. Nanoelectronic Modeling Lecture 33: Alloy Disorder in Bulk

    07 Jul 2010 | | Contributor(s):: Gerhard Klimeck, Timothy Boykin, Chris Bowen

    This presentation discusses disorder in AlGaAs unstrained systems in bulk. Bandstructure of an ideal simple unit cellWhat happens when there is disorder?Concept of a supercellBand folding in a supercellBand extraction from the concept of approximate bandstructureComparison of alloy disorder with...

  8. Periodic Potential Lab: First-Time User Guide

    05 Jun 2009 | | Contributor(s):: Abhijeet Paul, Benjamin P Haley, Gerhard Klimeck, SungGeun Kim, Lynn Zentner

    This document provides guidance to first-time users of the Periodic Potential Lab tool. It offers basic information about solutions to the Schröedinger Equation in case of periodic potential in 1 dimension (1D). This document also contains suggested exercises to help users run the tool and...