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All Categories (1-20 of 36)

1. ECE 606 L5.2 Analytical Solutions - Electrons in a Finite Potential Well

   20 Jul 2023 | | Contributor(s):: Gerhard Klimeck

2. 

   James Chenault

   https://nanohub.org/members/204064

3. NEMO5, a Parallel, Multiscale, Multiphysics Nanoelectronics Modeling Tool: From Basic Physics to Real Devices and to Global Impact on nanoHUB.org

   10 Nov 2016 | | Contributor(s):: Gerhard Klimeck

   The Nanoelectronic Modeling tool suite NEMO5 is aimed to comprehend the critical multi-scale, multi-physics phenomena and deliver results to engineers, scientists, and students through efficient computational approaches. NEMO5’s general software framework easily includes any kind of...

4. NEMO5, a Parallel, Multiscale, Multiphysics Nanoelectronics Modeling Tool

   19 Sep 2016 | | Contributor(s):: Gerhard Klimeck

   The Nanoelectronic Modeling tool suite NEMO5 is aimed to comprehend the critical multi-scale, multi-physics phenomena and deliver results to engineers, scientists, and students through efficient computational approaches. NEMO5’s general software framework easily includes any kind of...

5. E304 L3.3.2: Nanoscale Physics - Wavefunctions and the Infinite Potential Well

   16 Mar 2016 | | Contributor(s):: ASSIST ERC

6. NEMO5 Tutorial 5C: Quantum Dots with Strain and Electronic Wave Functions

   18 Jul 2012 | | Contributor(s):: Yuling Hsueh

7. NEMO5 Tutorial 3: Models

   17 Jul 2012 | | Contributor(s):: Jean Michel D Sellier

   This tutorial presents the models implemented in NEMO5. A description on how the solvers interact with each other is reported along with the options of the various solvers. An example on how to make a simulation that involves strain calculations, Schroedinger wave functions calculations and an...

8. Large-scale first principles configuration interaction calculations of optical absorption in boron clusters

   07 Mar 2012 | | Contributor(s):: Ravindra L Shinde

   We have performed systematic large-scale all-electron correlated calculations on boron clustersBn (n=2–5), to study their linear optical absorption spectra. Several possible isomers of each clus-ter were considered, and their geometries were optimized at the coupled-cluster singles doubles(CCSD)...

9. Quantum Dot Wave Function (Quantum Dot Lab)

   02 Feb 2011 | | Contributor(s):: Gerhard Klimeck, David S. Ebert, Wei Qiao

   Electron density of an artificial atom. The animation sequence shows various electronic states in an Indium Arsenide (InAs)/Gallium Arsenide (GaAs) self-assembled quantum dot.

10. Self-Assembled Quantum Dot Structure (pyramid)

    02 Feb 2011 | | Contributor(s):: Gerhard Klimeck, Insoo Woo, Muhammad Usman, David S. Ebert

    Pyramidal InAs Quantum dot. The quantum dot is 27 atomic monolayers wide at the base and 15 atomic monolayers tall.

11. Quantum Dot Wave Function (still image)

    31 Jan 2011 | | Contributor(s):: Gerhard Klimeck, David S. Ebert, Wei Qiao

    Electron density of an artificial atom. The image shown displays the excited electron state in an Indium Arsenide (InAs) / Gallium Arsenide (GaAs) self-assembled quantum dot.

12. Self-Assembled Quantum Dot Wave Structure

    31 Jan 2011 | | Contributor(s):: Gerhard Klimeck, Insoo Woo, Muhammad Usman, David S. Ebert

    A 20nm wide and 5nm high dome shaped InAs quantum dot grown on GaAs and embedded in InAlAs is visualized.

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

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

14. Discussion Session 3 (Lectures 5 and 6)

    09 Sep 2010 | | Contributor(s):: Supriyo Datta

15. Lecture 5: Electron Spin: How to rotate an electron to control the current

    09 Sep 2010 | | Contributor(s):: Supriyo Datta

16. Nanoelectronic Modeling Lecture 35: Alloy Disorder in Nanowires

    05 Aug 2010 | | Contributor(s):: Gerhard Klimeck, Timothy Boykin, Neerav Kharche, Mathieu Luisier, Neophytos Neophytou

    This presentation discusses the consequences of Alloy Disorder in unstrained strained AlGaAs nanowiresRelationship between dispersion relationship and transmission in perfectly ordered wiresBand folding in Si nanowiresTranmisison in disordered wires – relationship to an approximate...

17. Nanoelectronic Modeling Lecture 31a: Long-Range Strain in InGaAs Quantum Dots

    04 Aug 2010 | | Contributor(s):: Gerhard Klimeck

    This presentation demonstrates the importance of long-range strain in quantum dotsNumerical analysis of the importance of the buffer around the central quantum dot - local band edges – vertical and horizontal extension of the bufferControlled overgrowth can tune the electron energies in the...

18. 3D wavefunctions

    12 Apr 2010 | | Contributor(s):: Saumitra Raj Mehrotra, Gerhard Klimeck

    In quantum mechanics the time-independent Schrodinger's equation can be solved for eigenfunctions (also called eigenstates or wave-functions) and corresponding eigenenergies (or energy levels) for a stationary physical system. The wavefunction itself can take on negative and positive values and...

19. ECE 656 Lecture 27: Scattering of Bloch Electrons

    13 Nov 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Umklapp processesOverlap integralsADP Scattering in graphene

20. ECE 656 Lecture 1: Bandstructure Review

    26 Aug 2009 | | Contributor(s):: Mark Lundstrom

    Outline:Bandstructure in bulk semiconductorsQuantum confinementSummary