Tags: DFT

Resources (1-20 of 32)

  1. 2016 IMECE Tutorials on Phonon Transport Modeling

    04 Jan 2017 | Courses | Contributor(s): Alan McGaughey, Xiulin Ruan

    Advances in theoretical methodologies and computational power in the last fifteen years have enabled the prediction of phonon properties with high resolution and fidelity. Notably, the use of...

    http://nanohub.org/resources/25465

  2. Fundamentals of Phonon Transport Modeling L4: Anharmonic Lattice dynamics, First Principles

    04 Jan 2017 | Presentation Materials | Contributor(s): Alan McGaughey, Xiulin Ruan

    Part of the 2016 IMECE Tutorial: Fundamentals of Phonon Transport Modeling: Formulation, Implementation, and Applications.

    http://nanohub.org/resources/25504

  3. Machine learned approximations to Density Functional Theory Hamiltonians - Towards High-Throughput Screening of Electronic Structure and Transport in Materials

    13 Dec 2016 | Online Presentations | Contributor(s): Ganesh Krishna Hegde

    We present results from our recent work on direct machine learning of DFT Hamiltonians. We show that approximating DFT Hamiltonians accurately by direct learning is feasible and compare them to...

    http://nanohub.org/resources/25379

  4. NEMO5 and 2D Materials: Tuning Bandstructures, Wave Functions and Electrostatic Screening

    19 Oct 2016 | Online Presentations | 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...

    http://nanohub.org/resources/25114

  5. Introduction to Computational Modeling - Schrödinger Equation, Density Functional Theory (DFT), Kohn-Sham Method, DFT Code SIESTA

    16 Jun 2016 | Online Presentations | Contributor(s): Lan Li

    This instructional video is part 1 in a two part series.  It provides an introduction to computational modeling, including motivation for studying this topic.  The Schrödinger...

    http://nanohub.org/resources/24474

  6. Introduction to Computational Modeling - Input Parameters for SIESTA Simulation

    16 Jun 2016 | Online Presentations | Contributor(s): Lan Li

    This instructional video is part 2 in a two part series.  It  explains how to set up input parameters for the SIESTA simulation tool.

    http://nanohub.org/resources/24476

  7. Multiscale Modeling of Graphene-Metal Contacts

    01 Feb 2016 | Online Presentations | 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...

    http://nanohub.org/resources/22918

  8. Atomistic Modeling: Past, Present, and Future, MGI, ICME, etc.

    03 Nov 2015 | Online Presentations | Contributor(s): Paul Saxe

    I will present a perspective on atomistic modeling — tools using quantum methods such as DFT, as well as molecular dynamics and Monte Carlo methods based on forcefields — over the past...

    http://nanohub.org/resources/23041

  9. Density Functional Tight Binding (DFTB) Modeling in the Context of Ultra-Thin Silicon-on-Insulator MOSFETs

    10 Oct 2015 | Online Presentations | Contributor(s): Stanislav Markov

    IWCE 2015 presentation. We investigate the applicability of density functional tight binding (DFTB) theory [1][2], coupled to non-equilibrium Green functions (NEGF), for atomistic simulations of...

    http://nanohub.org/resources/22908

  10. DFT Material Properties Simulator

    10 Aug 2015 | Tools | Contributor(s): Gustavo Javier, Usama Kamran, David M Guzman, Alejandro Strachan

    Compute electronic and mechanical properties of materials from DFT calculations with 1-Click

    http://nanohub.org/resources/dftmatprop

  11. MSE 498 Lesson 6: DFT

    17 Mar 2015 | Online Presentations | Contributor(s): Andrew Ferguson

    This new course will give students hands-on experience with popular computational materials science and engineering software through a series of projects in: electronic structure calculation...

    http://nanohub.org/resources/22061

  12. MSE 498 Lesson 7: DFT

    17 Mar 2015 | Online Presentations | Contributor(s): Andrew Ferguson

    This new course will give students hands-on experience with popular computational materials science and engineering software through a series of projects in: electronic structure calculation...

    http://nanohub.org/resources/22063

  13. MSE 498 Lesson 8: DFT

    17 Mar 2015 | Online Presentations | Contributor(s): Andrew Ferguson

    This new course will give students hands-on experience with popular computational materials science and engineering software through a series of projects in: electronic structure calculation...

    http://nanohub.org/resources/22065

  14. MSE 498 Lesson 9: DFT

    17 Mar 2015 | Online Presentations | Contributor(s): Andrew Ferguson

    This new course will give students hands-on experience with popular computational materials science and engineering software through a series of projects in: electronic structure calculation...

    http://nanohub.org/resources/22067

  15. IMA 2013 UQ: DFT-based Thermal Properties: Three Levels of Error Management

    02 Apr 2014 | Online Presentations | Contributor(s): Kurt Lejaeghere

    It is often computationally expensive to predict finite-temperature properties of a crystal from density-functional theory (DFT). The temperature-dependent thermal expansion coefficient α, for...

    http://nanohub.org/resources/20311

  16. ECE 595E Lecture 24: Electronic Bandstructure Simulation Tools

    19 Mar 2013 | Online Presentations | Contributor(s): Peter Bermel

    Outline: Electronic bandstructure lab Basic Principles Input Interface Exemplary Outputs Density functional theory (DFT) DFT in Quantum ESPRESSO

    http://nanohub.org/resources/17307

  17. Optical Absorption in B13 Cluster: A Time-dependent Density Functional Approach

    19 Feb 2013 | Papers | Contributor(s): Ravindra L Shinde, Meenakshi Tayade

    The linear optical absorption spectra of three isomers of planar boron cluster B13 are calculated using time dependent spin-polarized density functional approach. The geometries of these cluster...

    http://nanohub.org/resources/16903

  18. [Illinois] CSE Seminar Series: Advances in First-principles Computational Materials Science

    20 Nov 2012 | Online Presentations | Contributor(s): Elif Ertekin

    Title: Advances in first-principles computational materials science Subtitle: Things we can calculate now, that we couldn't when I was in grad school. The capability to rationally design new...

    http://nanohub.org/resources/15919

  19. Tight Binding Parameters by DFT mapping

    12 Sep 2012 | Presentation Materials | Contributor(s): Yaohua Tan, Michael Povolotskyi, Tillmann Christoph Kubis, Yu He, Zhengping Jiang, Timothy Boykin, Gerhard Klimeck

    The Empirical Tight Binding(ETB) method is widely used in atomistic device simulations. The reliability of such simulations depends very strongly on the choice of basis sets and the ETB...

    http://nanohub.org/resources/15173

  20. Computational Investigation of Point Defect Formation and Migration in Nuclear Fuels

    08 Mar 2012 | Online Presentations | Contributor(s): Susan Sinnott

    The stabilities of selected fission products are investigated as a function of stoichiometry in uranium oxide. The approach is density functional theory (DFT) that is used to calculate the...

    http://nanohub.org/resources/13094