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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 (181-200 of 340)

  1. MSE 597G: An Introduction to Molecular Dynamics

    This resource has a 8.8 Ranking

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    13 Nov 2008 | Online Presentations | Contributor(s): Alejandro Strachan

    https://nanohub.org/resources/5760

  2. MSE 597G Lecture 6: Interatomic potentials III

    This resource has a 7.1 Ranking

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    12 Nov 2008 | Online Presentations | Contributor(s): Alejandro Strachan

    Reactive force fields, Parameterization of interatomic potentials

    https://nanohub.org/resources/5778

  3. MSE 597G Lecture 7: Advanced Techniques for Molecular Dynamics Simulations

    This resource has a 7.4 Ranking

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    12 Nov 2008 | Online Presentations | Contributor(s): Alejandro Strachan

    Thermostats and barostats, Linear methods for energy and force calculations, Coarse graining or mesodynamics, Validation and Verification.

    https://nanohub.org/resources/5779

  4. MSE 597G Lecture 2: Statistical Mechanics I

    This resource has a 9.6 Ranking

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    11 Nov 2008 | Online Presentations | Contributor(s): Alejandro Strachan

    Basic physics: statistical mechanics.

    https://nanohub.org/resources/5765

  5. MSE 597G Lecture 1: Classical Mechanics

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    11 Nov 2008 | Online Presentations | Contributor(s): Alejandro Strachan

    Basic physics: classical mechanics.

    https://nanohub.org/resources/5507

  6. nano-Materials Simulation Toolkit Quick Demo

    This resource has a 5.4 Ranking

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    Users: 130
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    18 Oct 2008 | Online Presentations | Contributor(s): Alejandro Strachan

    Demonstraton of the nanoHUB tool "nano-Materials Simulation Toolkit."

    https://nanohub.org/resources/5613

  7. Modern X-ray Scattering Methods for Nanoscale Materials Analysis

    This resource has a 7.3 Ranking

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    15 Oct 2008 | Online Presentations | Contributor(s): Richard J. Matyi

    Since its discovery by von Laue in 1912, X-ray diffraction has become an indispensable tool for structure determinations in the physical and biological sciences. X-rays are characterized by high …

    https://nanohub.org/resources/5580

  8. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 4 : Polymer Structures

    This resource has a 5.6 Ranking

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    04 Oct 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Issues to Address... What are the basic Classification? Monomers and chemical groups? Nomenclature? …

    https://nanohub.org/resources/5544

  9. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 4: Structures via Diffusion

    This resource has a 7.1 Ranking

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    28 Sep 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Structures via Diffraction Goals Define basic ideas of diffraction (using x-ray, electrons, or neutrons, which, although they are particles, they can behave as waves) and show how to …

    https://nanohub.org/resources/5492

  10. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 3: Crystallographic Points, Directions, and Planes

    This resource has a 10.0 Ranking

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    22 Sep 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Crystallographic Points, Directions, and Planes Issues to Address... How to define points, directions, planes, as well as linear, planar, and volume densities Define basic terms and give …

    https://nanohub.org/resources/5469

  11. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 2: Structure of Ceramics

    This resource has a 6.1 Ranking

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    21 Sep 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Structure of Ceramics Issues to Address... Structures of ceramic materials: How do they differ from that of metals? Define basic terms and give examples of each: Lattice …

    https://nanohub.org/resources/5467

  12. Illinois MATSE 280 Introduction to Engineering Materials, Lecture 3 Part 1: Structure of Metals and Ceramics

    This resource has a 9.9 Ranking

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    19 Sep 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Structures of Metals and Ceramics Goals Define basic terms and give examples of each: Lattice Basis Atoms (Decorations or Motifs) Crystal Structure …

    https://nanohub.org/resources/5460

  13. C.V. Raman and the Impact of Raman Effect in Quantum Physics, Condensed Matter, and Materials Science

    This resource has a 9.6 Ranking

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    18 Sep 2008 | Online Presentations | Contributor(s): Anant K. Ramdas

    Raman’s momentous discovery in 1928 that the spectral analysis of the light scattered by matter, illuminated with monochromatic light of frequency ωL, reveals new signatures at (ωL ± ωi) , …

    https://nanohub.org/resources/5453

  14. Nanomaterials for Bone & Neural Tissue Engineering

    This resource has a 5.2 Ranking

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    11 Sep 2008 | Online Presentations | Contributor(s): S. Swaminathan

    Tissue engineering is defined as “the application of biological, chemical and engineering principles towards the repair, restoration or regeneration of tissues using scaffolds, cells, factors alone …

    https://nanohub.org/resources/5101

  15. Illinois MatSE 280 Introduction to Engineering Materials, Lecture 2: Atomic Structure and Interatomic Bonding

    This resource has a 6.9 Ranking

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    18 Aug 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    Refortify your chemistry - Atomic scale structures Goals Define basic concepts: Filling of Atomic Energy Levels: Pauli Exclusion Principle Atomic Orbitals (s-, p-, d-, and f- type …

    https://nanohub.org/resources/5240

  16. Illinois MatSE 280 Introduction to Engineering Materials, Lecture 1: Materials: Their Properties and Failures

    This resource has a 9.8 Ranking

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    14 Aug 2008 | Online Presentations | Contributor(s): Duane Douglas Johnson, Omar N Sobh

    "Because without materials, there is no engineering" In this lecture we will discuss the following: - Units of Length - Six Major Classes of Materials - Periodic Table of Elements - Properties …

    https://nanohub.org/resources/5229

  17. Use of Ceramic based biomaterials for their application in vitro osteogenic differentiation

    This resource has a 5.5 Ranking

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    30 Jul 2008 | Online Presentations | Contributor(s): Gopal Pande

    The use of bioceramics for preparation of implants and prosthesis for applications in orthopedic surgery has been done over several years. Recently new formulations for making substrates and coatings …

    https://nanohub.org/resources/4809

  18. Some Important Aspects of the Chemistry of Nanomaterials

    This resource has a 8.6 Ranking

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    01 Jul 2008 | Online Presentations | Contributor(s): C.N.R. Rao

    Keynote address for the launch of the Center for Analytical Instrumentation Development.

    https://nanohub.org/resources/4838

  19. High-Aspect-Ratio Micromachining of Titanium: Enabling New Functionality and Opportunity in Micromechanical Systems Through Greater Materials Selection

    This resource has a 6.4 Ranking

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    Users: 405
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    18 Jun 2008 | Online Presentations | Contributor(s): Masa Rao

    Traditionally, materials selection has been limited in high-aspect-ratio micromechanical applications, due primarily to the predominance of microfabrication processes and infrastructure dedicated to …

    https://nanohub.org/resources/4743

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

    This resource has a 6.5 Ranking

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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

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