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On June 30, 1948, AT&T Bell Labs unveiled the transitor to the world, creating a spark of explosive economic growth that would lead into the Information Age. William Shockley led a team of researchers, including Walter Brattain and John Bardeen, who invented the device. Like the existing triode vacuum tube device, the transistor could amplify signals and switch currents on and off, but the transistor was smaller, cheaper, and more efficient. Moreover, it could be integrated with millions of other transistors onto a single chip, creating the integrated circuit at the heart of modern computers.

Today, most transistors are being manufactured with a minimum feature size of 60-90nm--roughly 200-300 atoms. As the push continues to make devices even smaller, researchers must account for quantum mechanical effects in the device behavior. With fewer and fewer atoms, the positions of impurities and other irregularities begin to matter, and device reliability becomes an issue. So rather than shrink existing devices, many researchers are working on entirely new devices, based on carbon nanotubes, spintronics, molecular conduction, and other nanotechnologies.

Learn more about transistors from the many resources on this site, listed below. Use our simulation tools to simulate performance characteristics for your own devices.

Online Presentations (21-40 of 237)

  1. ECE 606 Lecture 6: Bandgap, Mass Measurements and Fermi-Dirac Statistics

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    28 Sep 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

    …

    https://nanohub.org/resources/15325

  2. ECE 606 Lecture 7: Intrinsic semiconductors and Concepts of Doping

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    28 Sep 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

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    https://nanohub.org/resources/15326

  3. ECE 606 Lecture 8: Temperature Dependent Carrier Density Concepts of Recombination

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    28 Sep 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

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    https://nanohub.org/resources/15327

  4. ECE 606 Lecture 9: Recombination Process and Rates

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    28 Sep 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

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    https://nanohub.org/resources/15328

  5. ECE 606 Lecture 4: Periodic Potentials Solutions of Schrödinger's Equation

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    14 Sep 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

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    https://nanohub.org/resources/15133

  6. ECE 606 Lecture 2: Quantum Mechanics

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    14 Sep 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

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    https://nanohub.org/resources/15123

  7. ECE 606 Lecture 3: Emergence of Bandstructure

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    31 Aug 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

    Table of Contents: 00:00 ECE606: Solid State Devices Lecture 3 00:24 Motivation 01:17 Time-independent Schrodinger Equation 02:22 Time-independent Schrodinger Equation 04:23 A Simple …

    https://nanohub.org/resources/15124

  8. ECE 606 Lecture 1: Introduction/Crystal Classification

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    30 Aug 2012 | Online Presentations | Contributor(s): Gerhard Klimeck

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    https://nanohub.org/resources/15071

  9. Nanophotonics with Metamaterials

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    27 Aug 2012 | Online Presentations | Contributor(s): Vladimir M. Shalaev

    One of the most unique properties of light is that it can package information into a signal of zero mass and propagate it at the ultimate speed. It is, however, a daunting challenge to bring photonic …

    https://nanohub.org/resources/14182

  10. All-Spin Logic Devices

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    19 Jul 2012 | Online Presentations | Contributor(s): Behtash Behinaein

    We propose a spintronic device that uses spin at every stage of its operation: input and output information are represented by the magnetization of nanomagnets which communicate …

    https://nanohub.org/resources/8412

  11. Journey Along the Carbon Road

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    19 Apr 2012 | Online Presentations | Contributor(s): Zhihong Chen

    I will discuss two distinct topics: In the first part of my talk I will present results on carbon nanotubes focusing on high performance computing with the aim to replace silicon in logic device …

    https://nanohub.org/resources/13350

  12. nanoHUB-U FoN Basic Concepts: Scientific Overview

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    21 Dec 2011 | Online Presentations | Contributor(s): Supriyo Datta

    https://nanohub.org/resources/12726

  13. The History of Semiconductor Heterostructures Research: From Early Double Heterostructure Concept to Modern Quantum Dot Structures

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    11 Jul 2011 | Online Presentations | Contributor(s): Zhores I. Alferov

    It would be very difficult today to imagine solid-state physics without semiconductor heterostructures. Semiconductor heterostructures and especially double heterostructures, including quantum wells, …

    https://nanohub.org/resources/11436

  14. The Elusive Spin Transistor

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    11 Apr 2011 | Online Presentations | Contributor(s): Supriyo Datta

    This presentation is a short introductory tutorial on spin-transistors.

    https://nanohub.org/resources/11128

  15. Control of Spin Precession in a Datta-Das Transistor Structure

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    11 Apr 2011 | Online Presentations | Contributor(s): Hyun Cheol Koo

    Transistors Switch onto Spin Using the spin of an electron in addition to, or instead of, the charge properties is believed to have many benefits in terms of speed, power-cost, and integration …

    https://nanohub.org/resources/8057

  16. Keithley 4200-SCS Lecture 12: Ultra-fast I-V for Pulsed and Transient Characterization

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    24 Jan 2011 | Online Presentations | Contributor(s): Lee Stauffer

    https://nanohub.org/resources/10521

  17. Keithley 4200-SCS Lecture 01: Introduction - System Overview - DC I-V Source Measurement

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    20 Jan 2011 | Online Presentations | Contributor(s): Lee Stauffer

    Introduction to Device Characterization - System Overview: System Architecture, Hardware Features and Software Features - Precision DC I-V Source-Measure Features and Concepts.

    https://nanohub.org/resources/10387

  18. Keithley 4200-SCS Lecture 02: Basics of Keithley Interactive Test Environment (KITE)

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    20 Jan 2011 | Online Presentations | Contributor(s): Lee Stauffer

    https://nanohub.org/resources/10388

  19. Keithley 4200-SCS Lecture 03: More KITE Setup and Features

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    20 Jan 2011 | Online Presentations | Contributor(s): Lee Stauffer

    https://nanohub.org/resources/10389

  20. Keithley 4200-SCS Lecture 04: Speed and Timing Considerations

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    20 Jan 2011 | Online Presentations | Contributor(s): Lee Stauffer

    https://nanohub.org/resources/10390

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