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Tags: band structure


In solid-state physics, the electronic band structure of a solid describes ranges of energy that an electron is "forbidden" or "allowed" to have. It is a function of the diffraction of the quantum mechanical electron waves in the periodic crystal lattice with a specific crystal system and Bravais lattice. The band structure of a material determines several characteristics, in particular its electronic and optical properties. More information on Band structure can be found here.

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  1. ECE 495N Lecture 18: Bandstructures I

    03 Nov 2008 | Online Presentations | Contributor(s): Supriyo Datta

  2. ECE 495N Lecture 20: Bandstructures III

    27 Oct 2008 | Online Presentations | Contributor(s): Supriyo Datta

  3. Thermoelectric Power Factor Calculator for Nanocrystalline Composites

    18 Oct 2008 | Tools | Contributor(s): Terence Musho, Greg Walker

    Quantum Simulation of the Seebeck Coefficient and Electrical Conductivity in a 2D Nanocrystalline Composite Structure using Non-Equilibrium Green's Functions

  4. 1D Heterostructure Tool

    04 Aug 2008 | Tools | Contributor(s): Arun Goud Akkala, Sebastian Steiger, Jean Michel D Sellier, Sunhee Lee, Michael Povolotskyi, Tillmann Christoph Kubis, Hong-Hyun Park, Samarth Agarwal, Gerhard Klimeck, James Fonseca, Archana Tankasala, Kuang-Chung Wang, Chin-Yi Chen

    Poisson-Schrödinger Solver for 1D Heterostructures

  5. AQME - Advancing Quantum Mechanics for Engineers

    12 Aug 2008 | Tools | Contributor(s): Gerhard Klimeck, Xufeng Wang, Dragica Vasileska

    One-stop-shop for teaching quantum mechanics for engineers

  6. ABACUS - Assembly of Basic Applications for Coordinated Understanding of Semiconductors

    16 Jul 2008 | Tools | Contributor(s): Xufeng Wang, Dragica Vasileska, Gerhard Klimeck

    One-stop-shop for teaching semiconductor device education

  7. Computational Electronics HW - Bandstructure Calculation

    11 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

  8. Energy Bands as a Function of the Geometry of the n-Well Potential: an Exercise

    05 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

    Explores the position and the width of the bands as a function of the 10-barrier potential parameters. NSF

  9. Tutorial on Semi-empirical Band Structure Methods

    06 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska

    This tutorial explains in details the Empirical Pseudopotential Method for the electronic structure calculation, the tight-binding method and the k.p method. For more details on the Empirical...

  10. Periodic Potentials and the Kronig-Penney Model

    01 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska

    This material describes the derivation of the Kronig-Penney model for delta-function periodic potentials.

  11. Periodic Potentials and Bandstructure: an Exercise

    02 Jul 2008 | Teaching Materials | Contributor(s): Dragica Vasileska, Gerhard Klimeck

    This exercise teaches the students that in the case of strong coupling between the neighboring wells in square and Coulomb periodic potential wells electrons start to behave as free electrons and...

  12. Computational Nanoscience, Lecture 19: Band Structure and Some In-Class Simulation: DFT for Solids

    30 Apr 2008 | Teaching Materials | Contributor(s): Jeffrey C Grossman, Elif Ertekin

    In this class we briefly review band structures and then spend most of our class on in-class simulations. Here we use the DFT for molecules and solids (Siesta) course toolkit. We cover a variety...

  13. What would be the electron effective mass of InAs in its electron valleys in X,Y,Z directions?

    Open | Responses: 1

    The default values in the Multi gate Nanowire tool for Si effective mass in Valley 1,2,3 in x,y,z directions are 0.19,0.19,0.98; 0.19,0.98,0.19; 0.98,0.19,0.19 respectively. Now if i am going...

  14. The Novel Nanostructures of Carbon

    28 Feb 2008 | Online Presentations | Contributor(s): Gene Dresselhaus

    A brief review will be given of the physical underpinnings of carbon nanostructures that were developed over the past 60 years, starting with the electronic structure and physical properties of...

  15. Computational Nanoscience, Lecture 4: Geometry Optimization and Seeing What You're Doing

    13 Feb 2008 | Teaching Materials | Contributor(s): Jeffrey C Grossman, Elif Ertekin

    In this lecture, we discuss various methods for finding the ground state structure of a given system by minimizing its energy. Derivative and non-derivative methods are discussed, as well as the...

  16. Homework Assignment: Periodic Potentials

    31 Jan 2008 | Teaching Materials | Contributor(s): David K. Ferry

    Using the Periodic Potential Lab on nanoHUB determine the allowed bands for an energy barrier of 5 eV, a periodicity W = 0.5nm, and a barrier thickness of 0.1nm. How do these bands change if the...

  17. Finite Height Quantum Well: an Exercise for Band Structure

    31 Jan 2008 | Teaching Materials | Contributor(s): David K. Ferry

    Use the Resonant Tunneling Diodes simulation tool on nanoHUB to explore the effects of finite height quantum wells. Looking at a 2 barrier device, 300 K, no bias, other standard variables, and 3...

  18. MIT Atomic Scale Modeling Toolkit

    15 Jan 2008 | Tools | Contributor(s): daniel richards, Elif Ertekin, Jeffrey C Grossman, David Strubbe, Justin Riley

    Tools for Atomic Scale Modeling

  19. Engineering at the nanometer scale: Is it a new material or a new device?

    06 Nov 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    This seminar will overview NEMO 3D simulation capabilities and its deployment on the nanoHUB as well as an overview of the nanoHUB impact on the community.

  20. MCW07 Impact of Porphyrin Functional Groups on InAs Gas Sensors

    05 Nov 2007 | Online Presentations | Contributor(s): Michael Garcia

    Porphyrin molecules are often used for sensor engineering to improve sensitivity and selectivity to specific analytes. It is important to understand how the porphyrin HOMO-LUMO levels deplete..., a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.