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Tags: DFT

Resources (1-17 of 17)

  1. 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

  2. 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

  3. 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

  4. [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

  5. Tight Binding Parameters by DFT mapping

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

    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

  6. 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

  7. Density Functional Theory: A great physics success story

    01 Mar 2012 | Online Presentations | Contributor(s): Kieron Burke

    Density functional theory began with the work of Thomas and Fermi, at about the same time as Schroedinger wrote his famous equation. I will explain in general terms what density functional...

    http://nanohub.org/resources/13253

  8. Tutorial 1: Atomistic Material Science - ab initio simulations of materials

    03 Nov 2011 | Online Presentations | Contributor(s): Alejandro Strachan

    This lecture introduces first principles electronic structure calculations of materials properties. It describes the approximations made to the many-body Schrodinger equation in Hartree Fock and...

    http://nanohub.org/resources/11917

  9. Additional Tutorials on Selected Topics in Nanotechnology

    29 Mar 2011 | Workshops | Contributor(s): Gerhard Klimeck, Umesh V. Waghmare, Timothy S Fisher, N. S. Vidhyadhiraja

    Select tutorials in nanotechnology, a part of the 2010 NCN@Purdue Summer School: Electronics from the Bottom Up.

    http://nanohub.org/resources/11041

  10. Berkeley GW

    27 Sep 2009 | Tools | 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

    http://nanohub.org/resources/berkeleygw

  11. 2010 NCN@Purdue Summer School: Electronics from the Bottom Up

    18 Jan 2011 | Workshops

    Electronics from the Bottom Up seeks to bring a new perspective to electronic devices – one that is designed to help realize the opportunities that nanotechnology presents.

    http://nanohub.org/resources/8878

  12. Tutorial 3: Materials Simulation by First-Principles Density Functional Theory

    14 Sep 2010 | Courses | Contributor(s): Umesh V. Waghmare

    This two-part lecture will provide an introduction to first-principles density functional theory based methods for simulation of materials, with a focus on determination of interatomic force...

    http://nanohub.org/resources/9716

  13. Tutorial 3b: Materials Simulation by First-Principles Density Functional Theory II

    14 Sep 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare

    This lecture is part of the 2010 NCN@Purdue Summer School: Electronics from the Bottom Up. “Electronics from the Bottom Up” is an educational initiative designed to bring a new perspective to...

    http://nanohub.org/resources/9684

  14. Tutorial 3a: Materials Simulation by First-Principles Density Functional Theory I

    14 Sep 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare

    This lecture provides an introduction to first-principles density functional theory based methods for simulation of materials, with a focus on determination of interatomic force constants and...

    http://nanohub.org/resources/9683

  15. DFT calculations with Quantum ESPRESSO

    07 Jul 2010 | Tools | Contributor(s): Janam Jhaveri, Ravi Pramod Kumar Vedula, Alejandro Strachan, Benjamin P Haley

    DFT calculations of molecules and solids

    http://nanohub.org/resources/dftqe

  16. Ripples and Warping of Graphene: A Theoretical Study

    08 Jun 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare

    We use first-principles density functional theory based analysis to understand formation of ripples in graphene and related 2-D materials. For an infinite graphene, we show that ripples are linked...

    http://nanohub.org/resources/9010

  17. MCW07 Exploring Trends in Conductance for Well-Defined Single Molecule Circuits

    04 Apr 2009 | Online Presentations | Contributor(s): Mark S Hybertsen

    In our recent research, we have been able to measure and characterize the impact of intrinsic molecular properties on the conductance of single molecule circuits formed with amine-gold linkages....

    http://nanohub.org/resources/3077

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