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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 (41-60 of 340)

  1. MSE 405 Lecture 27: Waves in Locally Periodic Media

    This resource has a 4.8 Ranking

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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10340

  2. MSE 405 Lecture 11: Hydrogen Atoms II

    This resource has a 5.0 Ranking

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    Users: 140
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10292

  3. MSE 405 Lecture 12: Quantum Numbers

    This resource has a 5.0 Ranking

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    Users: 148
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10295

  4. MSE 405 Lecture 13: Bosons and Fermions

    This resource has a 5.0 Ranking

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    Users: 156
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10298

  5. MSE 405 Lecture 14: Variational Principle

    This resource has a 5.0 Ranking

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    Users: 149
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10301

  6. MSE 405 Lecture 15: Perturbation Theory

    This resource has a 5.0 Ranking

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    Users: 186
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10304

  7. MSE 405 Lecture 16: Midterm Review I

    This resource has a 3.5 Ranking

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    Users: 89
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10307

  8. MSE 405 Lecture 17: Midterm Review II

    This resource has a 4.0 Ranking

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    Users: 88
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10310

  9. MSE 405 Lecture 18: Quantum Statistical Physics

    This resource has a 5.0 Ranking

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    Users: 152
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10313

  10. MSE 405 Lecture 19: Arbitrary Potential

    This resource has a 5.0 Ranking

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    Users: 128
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10316

  11. MSE 405 Lecture 20: Free Electron Theory I

    This resource has a 5.0 Ranking

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    Users: 333
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10319

  12. MSE 405 Lecture 2: Wave Function

    This resource has a 5.1 Ranking

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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    Properties of the wave function; Operators; Expectation value; Heisenberg uncertainty principle.

    https://nanohub.org/resources/10169

  13. MSE 405 Lecture 3: Time Independent Schroedinger Equation

    This resource has a 5.0 Ranking

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    Users: 196
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    Eigenvalues and Eigenfunctions.

    https://nanohub.org/resources/10171

  14. MSE 405 Lecture 4: Free Particle

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    Total: updated 03 May 2013
    Users: 182
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10173

  15. MSE 405 Lecture 5: Bound Particles I

    This resource has a 5.1 Ranking

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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    Square well; Energy levels.

    https://nanohub.org/resources/10181

  16. MSE 405 Lecture 6: Bound Particles II

    This resource has a 5.1 Ranking

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    Total: updated 03 May 2013
    Users: 178
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10276

  17. MSE 405 Lecture 7: Scattering and Tunneling

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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10279

  18. MSE 405 Lecture 8: Separation of Variables I

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    Users: 149
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10282

  19. MSE 405 Lecture 9: Separation of Variables II

    This resource has a 5.0 Ranking

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    Users: 134
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10286

  20. MSE 405 Lecture 10: Hydrogen Atoms I

    This resource has a 4.5 Ranking

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    Users: 156
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    29 Jan 2011 | Online Presentations | Contributor(s): Mark Hersam

    https://nanohub.org/resources/10289

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