Tags: tunneling

Online Presentations (1-20 of 26)

  1. Modeling of Inter-ribbon Tunneling in Graphene

    11 Nov 2016 | | Contributor(s):: Maarten Van de Put, William Gerard Hubert Vandenberghe, Massimo V Fischetti

    IWCE presentation. In this paper we investigate the finite-size effect in nano-scaled graphene flakes. Improving on the bulk description, and because the structures are – atomistically speaking – large in size, we use the empirical pseudopotential method[2].

  2. 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...

  3. Auger Generation as an Intrinsic Limit to Tunneling Field-Effect Transistor Performance

    22 Sep 2016 | | Contributor(s):: Jamie Teherani

    Many in the microelectronics field view tunneling field-effect transistors (TFETs) as society’s best hope for achieving a > 10× power reduction for electronic devices; however, despite a decade of considerable worldwide research, experimental TFET results have significantly...

  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 L6.2.2: Nanoelectrics - Tunneling

    04 May 2016 |

  6. Atomistic Modeling of Nano Devices: From Qubits to Transistors

    13 Apr 2016 | | Contributor(s):: Rajib Rahman

    In this talk, I will describe such a framework that can capture complex interactions ranging from exchange and spin-orbit-valley coupling in spin qubits to non-equilibrium charge transport in tunneling transistors. I will show how atomistic full configuration interaction calculations of exchange...

  7. Tunnel FETs - Device Physics and Realizations

    10 Jul 2013 | | Contributor(s):: Joachim Knoch

    Here, the operating principles of TFETs will be discussed in detail and experimental realizations as well as simulation results will be presented. In particular, the role of the injecting source contact will be elaborated on.

  8. Uniform Methodology of Benchmarking Beyond-CMOS Devices

    31 Oct 2012 | | Contributor(s):: Dmitri Nikonov

    Multiple logic devices are presently under study within the Nanoelectronic Research Initiative (NRI) to carry the development of integrated circuits beyond the CMOS roadmap. Structure and operational principles of these devices are described.Theories used for benchmarking these devices are...

  9. NEMO5 Tutorial 6B: Device Simulation - Quantum Transport in GaSb/InAs Tunneling FET

    16 Jul 2012 | | Contributor(s):: Yu He

  10. Outdoing Maxwell’s Demon: Taming Molecular Wildness

    11 May 2011 | | Contributor(s):: Dudley R. Herschbach

    This talk describes these developments, illustrating means to analyze and control molecular trajectories and spatial orientation and to select rotational and vibrational states, with applications to elucidating chemical reaction dynamics.

  11. Tutorial 4a: High Bias Quantum Transport in Resonant Tunneling Diodes

    29 Mar 2011 | | Contributor(s):: Gerhard Klimeck

    Outline:Resonant Tunneling Diodes - NEMO1D: Motivation / History / Key InsightsOpen 1D Systems: Transmission through Double Barrier Structures - Resonant TunnelingIntroduction to RTDs: Linear Potential DropIntroduction to RTDs: Realistic Doping ProfilesIntroduction to RTDs: Relaxation Scattering...

  12. Tutorial 4c: Formation of Bandstructure in Finite Superlattices (Exercise Session)

    29 Mar 2011 | | Contributor(s):: Gerhard Klimeck

    How does bandstructure occur? How large does a repeated system have to be? How does a finite superlattice compare to an infinite superlattice?

  13. Tutorial 4d: Formation of Bandstructure in Finite Superlattices (Exercise Demo)

    29 Mar 2011 | | Contributor(s):: Gerhard Klimeck

    Demonstration of thePiece-Wise Constant Potential Barriers Tool.

  14. ME 597 Lecture 1: Review of Quantum Tunneling/Introduction to STM

    01 Sep 2010 | | Contributor(s):: Ron Reifenberger

    Topics:Quantum TunnelingThe STM – basic ideaRecommended Reading: See References below.

  15. Simulation of the Spin Field Effect Transistors: Effects of Tunneling and Spin Relaxation on its Performance

    05 Apr 2010 | | Contributor(s):: Yunfei Gao

    A numerical simulation of spin-dependent quantum transport for a spin field effect transistor(spinFET) is implemented in a widely used simulator nanoMOS. This method includes the effect of bothspin relaxation in the channel and the tunneling barrier between the source/drain and the channel....

  16. Nanoelectronic Modeling nanoHUB Demo 2: RTD simulation with NEGF

    09 Mar 2010 | | Contributor(s):: Gerhard Klimeck

    Demonstration of resonant tunneling diode (RTD) simulation using the RTD Simulation with NEGF Tool with a Hartree potential model showing potential profile, charge densities, current-voltage characteristics, and resonance energies. Also demonstrated is a RTD simulation using a Thomas-Fermi...

  17. Nanoelectronic Modeling nanoHUB Demo 1: nanoHUB Tool Usage with RTD Simulation with NEGF

    09 Mar 2010 | | Contributor(s):: Gerhard Klimeck

    Demonstration of running tools on the nanoHUB. Demonstrated is the RTD Simulation with NEGF Tool using a simple level-drop potential model and a more realistic device using a Thomas-Fermi potential model.

  18. Nanoelectronic Modeling Lecture 26: NEMO1D -

    09 Mar 2010 | | Contributor(s):: Gerhard Klimeck

    NEMO1D demonstrated the first industrial strength implementation of NEGF into a simulator that quantitatively simulated resonant tunneling diodes. The development of efficient algorithms that simulate scattering from polar optical phonons, acoustic phonons, alloy disorder, and interface...

  19. Nanoelectronic Modeling Lecture 12: Open 1D Systems - Transmission through Double Barrier Structures - Resonant Tunneling

    27 Jan 2010 | | Contributor(s):: Gerhard Klimeck, Dragica Vasileska

    This presentation shows that double barrier structures can show unity transmission for energies BELOW the barrier height, resulting in resonant tunneling. The resonance can be associated with a quasi bound state, and the bound state can be related to a simple particle in a box calculation.

  20. ME 597 Lecture 3: Quantum Tunneling/The STM

    08 Oct 2009 | | Contributor(s):: Ron Reifenberger

    Topics:Quantum TunnelingThe STM – basic ideaRecommended Reading: See References below.