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Nanotechnology bears the promise of engineering at an atomic scale--of assembling atoms in arrangements that are completely unnatural, thereby creating materials with properties that have never been seen before. This may sound like science fiction, but it has been going on for more than 30 years, since the invention of Molecular Beam Epitaxy (MBE). MBE provides a way of growing a block of material one sheet of atoms at a time. By mixing different types of atoms in various combinations, it is possible to "tune" the properties of the resulting material. For example, the laser diode in your CD player is probably made from silicon. It shines a particular wavelength of light based on the energy gap between the conduction and valence bands in silicon. That same laser diode could be "tuned" to emit a different wavelength by building it with a new material engineered to have a different band gap.

MBE is just one technique for building materials on an atomic scale. Many other techniques are also under investigation, including dragging atoms via a Scanning Tunneling Microscope (STM) tip, and Self-Assembled Monolayers (SAM).

Learn more about material science from the resources available on this site, listed below.

More information on Material science can be found here.

Online Presentations (1-20 of 340)

  1. A Gentle Introduction to Nanotechnology and Nanoscience

    This resource has a 8.4 Ranking

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    13 Feb 2006 | Online Presentations | Contributor(s): Mark A. Ratner

    While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement involved …

    https://nanohub.org/resources/1021

  2. A Primer on Scanning Tunneling Microscopy (STM)

    This resource has a 10.0 Ranking

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    Users: 4219
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    Avg. Review: 5.0 out of 5 stars
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    04 Apr 2006 | Online Presentations | Contributor(s): Ron Reifenberger

    Scanning Probe Microscopes and their remarkable ability to provide three-dimensional maps of surfaces at the nanometer length scale have arguably been the most important tool in establishing the …

    https://nanohub.org/resources/1185

  3. Active Photonic Nanomaterials: From Random to Periodic Structures

    This resource has a 7.8 Ranking

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    Users: 659
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    06 Feb 2006 | Online Presentations | Contributor(s): Hui Cao

    Active photonic nanomaterials, which have high gain or large nonlinearity, are essential to the development of nanophotonic devices and circuits. In this talk, I will provide a review of our …

    https://nanohub.org/resources/1012

  4. AFM Metrology of Cellulose Nanocrystals

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    21 Mar 2011 | Online Presentations | Contributor(s): Robert J. Moon, Ryan Wagner

    This talk discusses the characterization of cellulose nanocrystals via atomic force microscopy.

    https://nanohub.org/resources/11019

  5. Aluminum: a safe, economical, high energy density material for energy storage, transport and splitting water to make hydrogen on demand

    This resource has a 7.9 Ranking

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    29 Mar 2009 | Online Presentations | Contributor(s): Jerry M. Woodall

    In 1968, a team lead by the author discovered that liquid gallium saturated with aluminum at room temperature would split water into hydrogen gas, alumina and heat. More recently his current team has …

    https://nanohub.org/resources/6568

  6. An Experimentalists’ Perspective

    This resource has a 7.3 Ranking

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    19 Dec 2007 | Online Presentations | Contributor(s): Arunava Majumdar

    This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational …

    https://nanohub.org/resources/3628

  7. Atomic Force Microscopy

    This resource has a 8.3 Ranking

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    Users: 14181
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    Avg. Review: 4.0 out of 5 stars
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    01 Dec 2005 | Online Presentations | Contributor(s): Arvind Raman

    Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of the …

    https://nanohub.org/resources/520

  8. Atomic Picture of Plastic Deformation in Metals: Overview Lecture

    This resource has a 5.7 Ranking

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    18 Dec 2009 | Online Presentations | Contributor(s): Alejandro Strachan

    The lecture describes the objectives of the learning module and provides the necessary background for the activities. We briefly discuss the following topics: mechanical response of macroscopic …

    https://nanohub.org/resources/8038

  9. Atomic Picture of Plastic Deformation in Metals: Prelab Lecture

    This resource has a 5.8 Ranking

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    Users: 313
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    18 Dec 2009 | Online Presentations | Contributor(s): Alejandro Strachan

    This lecture provides a detailed description of the activities the students will perform in the lab. We present a tutorial with step by step instructions on how to run MD simulations using the …

    https://nanohub.org/resources/8043

  10. Atomistic Alloy Disorder in Nanostructures

    This resource has a 7.6 Ranking

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    Users: 219
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    Avg. Review: 4.5 out of 5 stars
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    26 Feb 2007 | Online Presentations | Contributor(s): Gerhard Klimeck

    Electronic structure and quantum transport simulations are typically performed in perfectly ordered semiconductor structures. Bands and modes are defined resulting in quantized conduction and …

    https://nanohub.org/resources/2350

  11. Bandstructure in Nanoelectronics

    This resource has a 9.7 Ranking

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    Users: 4009
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    01 Nov 2005 | Online Presentations | Contributor(s): Gerhard Klimeck

    This presentation will highlight, for nanoelectronic device examples, how the effective mass approximation breaks down and why the quantum mechanical nature of the atomically resolved material needs …

    https://nanohub.org/resources/381

  12. Basics of Particle Adhesion

    This resource has a 7.7 Ranking

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    21 May 2008 | Online Presentations | Contributor(s): Stephen P. Beaudoin

    This presentation will describe the adhesion of rough, asymmetric particles with micro- to nano-scale dimension to solid surfaces. These adhesion processes are of great interest in microelectronics …

    https://nanohub.org/resources/3264

  13. Bending Properties of Carbon Nanotubes

    This resource has a 8.8 Ranking

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    Users: 746
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    21 Mar 2006 | Online Presentations | Contributor(s): SeongJun Heo, Susan Sinnott

    The effect of filling carbon nanotubes on the mechanical, especially bending, behavior of empty and filled (10,10) carbon nanotubes (CNTs) is examined using classical, atomistic, molecular dynamics …

    https://nanohub.org/resources/1106

  14. BME 695L Special Lecture 2: X-ray Photoelectron Spectroscopy (XPS) in Biologically-Relevant Applications

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    01 Nov 2011 | Online Presentations | Contributor(s): Dmitry Zemlyanov

    Guest lecturer: Dmitry Zemlyanov

    https://nanohub.org/resources/12393

  15. BME 695L Special Lecture 4: Atomic Force Microscopy (AFM) for Nanomedical Systems (cells and nanoparticles)

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    02 Dec 2011 | Online Presentations | Contributor(s): Helen McNally

    Guest lecturer: Helen McNally

    https://nanohub.org/resources/12625

  16. BME 695N Lecture 12: Introduction to X-ray Photoelectron Spectroscopy and the Examples of Biologically-Relevant Applications

    This resource has a 6.4 Ranking

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    19 Oct 2007 | Online Presentations | Contributor(s): Dmitry Zemlyanov

    With Dmitry Zemlyanov as guest lecturer.

    https://nanohub.org/resources/3413

  17. BNC Annual Research Review: An Introduction to PRISM and MEMS Simulation

    This resource has a 6.5 Ranking

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    Users: 225
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    04 Jun 2008 | Online Presentations | Contributor(s): Jayathi Murthy

    This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming …

    https://nanohub.org/resources/4717

  18. BNC Annual Research Review: Transforming Light with Metamaterials

    This resource has a 5.5 Ranking

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    Users: 128
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    15 Feb 2010 | 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/7944

  19. BNC Annual Research Symposium: Metrology and Nanomaterials Characterization

    This resource has a 6.2 Ranking

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    Total: updated 03 May 2013
    Users: 488
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    10 May 2007 | Online Presentations | Contributor(s): Ron Reifenberger

    This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming …

    https://nanohub.org/resources/2635

  20. BNC Annual Research Symposium: Nanoscale Energy Conversion

    This resource has a 9.6 Ranking

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    Total: updated 03 May 2013
    Users: 964
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    23 Apr 2007 | Online Presentations | Contributor(s): Timothy S Fisher

    This presentation is part of a collection of presentations describing the projects, people, and capabilities enhanced by research performed in the Birck Center, and a look at plans for the upcoming …

    https://nanohub.org/resources/2636

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