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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 (1-20 of 207) feed

  1. nanoHUB-U FoN Basic Concepts: Scientific Overview

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

    http://nanohub.org/resources/12726

  2. 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, …

    http://nanohub.org/resources/11436

  3. 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.

    http://nanohub.org/resources/11128

  4. 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 …

    http://nanohub.org/resources/8057

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

    This resource has a 5.1 Ranking

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

    http://nanohub.org/resources/10521

  6. 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.

    http://nanohub.org/resources/10387

  7. 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

    http://nanohub.org/resources/10388

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

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

    http://nanohub.org/resources/10389

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

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

    http://nanohub.org/resources/10390

  10. Keithley 4200-SCS Lecture 05: Low Current and High Resistance Measurements

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

    http://nanohub.org/resources/10391

  11. Keithley 4200-SCS Lecture 06: Troubleshooting

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

    http://nanohub.org/resources/10392

  12. Keithley 4200-SCS: KITE Demo

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

    http://nanohub.org/resources/10429

  13. Keithley 4200-SCS Lecture 07: KCON Utility Overview

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

    http://nanohub.org/resources/10430

  14. Keithley 4200-SCS Lecture 08: 4210 CVU Instrument Module - Overview

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

    Theory of Operation and Measurement Overview

    http://nanohub.org/resources/10431

  15. Keithley 4200-SCS Lecture 09: 4210 CVU Instrument Module - Measurement Techniques I

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

    Measurement Techniques and Optimization

    http://nanohub.org/resources/10432

  16. Keithley 4200-SCS Lecture 10: 4210 CVU Instrument Module - Measurement Techniques II

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

    Measurement Techniques and Optimization

    http://nanohub.org/resources/10433

  17. Keithley 4200-SCS Lecture 11: 4210 CVU Instrument Module - Troubleshooting

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

    http://nanohub.org/resources/10480

  18. Atomistic Modeling and Simulation Tools for Nanoelectronics and their Deployment on nanoHUB.org

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    16 Dec 2010 | Online Presentations | Contributor(s): Gerhard Klimeck

    At the nanometer scale the concepts of device and material meet and a new device is a new material and vice versa. While atomistic device representations are novel to device physicists, the …

    http://nanohub.org/resources/10199

  19. Chemically Enhanced Carbon-Based Nanomaterials and Devices

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    09 Nov 2010 | Online Presentations | Contributor(s): Mark Hersam

    Carbon-based nanomaterials have attracted significant attention due to their potential to enable and/or improve applications such as transistors, transparent conductors, solar cells, batteries, and …

    http://nanohub.org/resources/9929

  20. Discussion Session 2 (Lectures 3 and 4)

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    08 Sep 2010 | Online Presentations | Contributor(s): Supriyo Datta

    “Electronics from the Bottom Up” is an educational initiative designed to bring a new perspective to the field of nano device engineering. It is co-sponsored by the Intel Foundation and the …

    http://nanohub.org/resources/9664

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