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Tags: resonant tunneling diodes

Description

Resonant tunneling diode (RTD) is a diode with a resonant tunneling structure in which electrons can tunnel through some resonant states at certain energy levels. The current–voltage characteristic often exhibits negative differential resistance regions.

Learn more about quantum dots from the many resources on this site, listed below. More information on RTD can be found here.

Resources (1-20 of 25)

  1. Comparison of PCPBT Lab and Periodic Potential Lab

    10 Aug 2009 | Online Presentations | Contributor(s): Abhijeet Paul, Samarth Agarwal, Gerhard Klimeck, Junzhe Geng

    This small presentation provides information about the comparison performed for quantum wells made of GaAs and InAs in two different tools. This has been done to benchmark the results from...

    http://nanohub.org/resources/7201

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

    27 Jan 2010 | Online Presentations | 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...

    http://nanohub.org/resources/8195

  3. Nanoelectronic Modeling Lecture 16: Introduction to RTDs - Realistic Doping Profiles

    27 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    Realistic RTDs need extremely high doping to provide enough carriers for high current densities. However, Impurity scattering can destroy the RTD performance. The dopants are therefore typically...

    http://nanohub.org/resources/8199

  4. Nanoelectronic Modeling Lecture 17: Introduction to RTDs - Relaxation Scattering in the Emitter

    27 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    Realistic RTDs will have nonlinear electrostatic potential in their emitter. Typically a triangular well is formed in the emitter due to the applied bias and the emitter thus contains discrete...

    http://nanohub.org/resources/8200

  5. Nanoelectronic Modeling Lecture 18: Introduction to RTDs - Quantum Charge Self-Consistency (Hartree)

    27 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    In this semi-classical charge and potential model the quantum mechanical simulation is performed once and the quantum mechanical charge is in general not identical to the semi-classical charge.

    http://nanohub.org/resources/8201

  6. Nanoelectronic Modeling Lecture 19: Introduction to RTDs - Asymmetric Structures

    27 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    This lecture explores this effect in more detail by targeting an RTD that has a deliberate asymmetric structure. The collector barrier is chosen thicker than the emitter barrier. With this...

    http://nanohub.org/resources/8202

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

    09 Mar 2010 | Online Presentations | 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...

    http://nanohub.org/resources/8318

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

    09 Mar 2010 | Online Presentations | 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...

    http://nanohub.org/resources/8317

  9. Nanoelectronic Modeling: Exercises 1-3 - Barrier Structures, RTDs, and Quantum Dots

    27 Jan 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    Exercises: Barrier Structures Uses: Piece-Wise Constant Potential Barrier Tool Resonant Tunneling Diodes Uses: Resonant Tunneling Diode Simulation with NEGF • Hartree calculation •...

    http://nanohub.org/resources/8259

  10. Nanoelectronic Modeling: Multimillion Atom Simulations, Transport, and HPC Scaling to 23,000 Processors

    07 Mar 2008 | Online Presentations | Contributor(s): Gerhard Klimeck

    Future field effect transistors will be on the same length scales as “esoteric” devices such as quantum dots, nanowires, ultra-scaled quantum wells, and resonant tunneling diodes. In those...

    http://nanohub.org/resources/3988

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

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

    Outline: Resonant Tunneling Diodes - NEMO1D: Motivation / History / Key Insights Open 1D Systems: Transmission through Double Barrier Structures - Resonant Tunneling Introduction to RTDs:...

    http://nanohub.org/resources/11043

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

    29 Mar 2011 | Online Presentations | 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?

    http://nanohub.org/resources/11051

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

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

    Demonstration of the Piece-Wise Constant Potential Barriers Tool.

    http://nanohub.org/resources/11052

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