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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 (121-140 of 340)

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

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    24 Jan 2010 | 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

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

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    24 Jan 2010 | 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

  3. X-ray Diffraction and Reflectivity Analysis of Thin Films and Nanomaterials

    This resource has a 7.3 Ranking

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    29 Dec 2009 | Online Presentations | Contributor(s): Mauro Sardela

    A review of x-ray analysis techniques applied to the characterization of nanomaterials will be presented with focus on x-ray lab source instrumentation similar to the facilities available at the …

    https://nanohub.org/resources/7955

  4. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 25: Nanomaterials and Devices for Solar Energy

    This resource has a 7.1 Ranking

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    29 Dec 2009 | Online Presentations | Contributor(s): Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Solar Energy Topics: Approaches: Breathing Membrane Continuous Operation Fuel Cell Water Management ElectroKinetic Nanobattery EDL Capacitators Laminar …

    https://nanohub.org/resources/8082

  5. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 23: Nanomaterials and Devices for Energy Conversion I

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    28 Dec 2009 | Online Presentations | Contributor(s): Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Energy Conversion Topics: Overview of Actuators at Nanoscale Electrostatic Actuators Piezo-Actuators Surface Acoustic Wave Motors Actuator Selection …

    https://nanohub.org/resources/8078

  6. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 24: Nanomaterials and Devices for Energy Conversion II

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    28 Dec 2009 | Online Presentations | Contributor(s): Nick Fang, Omar N Sobh

    Nanomaterials and Devices for Energy Conversion II Topics: Electrochemistry - Energy Storage Non-linear Diffusion Effect in Electrochemistry Architecture of 3-D batteries Nanomaterials for …

    https://nanohub.org/resources/8080

  7. ME 597 Lecture 27a: Recent Advances in AFM

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    14 Dec 2009 | Online Presentations | Contributor(s): Ron Reifenberger

    Topics: Unifying Theme Taking advantage of cantilever modes

    https://nanohub.org/resources/7971

  8. ME 597 Lecture 23: FM-AFM Selected Results

    This resource has a 7.0 Ranking

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    08 Dec 2009 | Online Presentations | Contributor(s): Ron Reifenberger

    Topics: FM-AFM Selected Results/li> Achieving Atomic Resolution with AFM

    https://nanohub.org/resources/7977

  9. ME 597 Lecture 28: Other Emerging dAFM Techniques

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    08 Dec 2009 | Online Presentations | Contributor(s): Arvind Raman

    Topics: Multi-frequency AFM Sub-surface imaging High-speed/video rate AFM

    https://nanohub.org/resources/7972

  10. ME 597 Lecture 26: Scanning Probe Nanolithography

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    02 Dec 2009 | Online Presentations | Contributor(s): Ron Reifenberger

    Topics: STM – early work Arranging atoms with a tip Local Oxidation Lithography (Electrochemical) Dip Pen Lithography Nanografting Related reading: Garcia, Martinez and Martinez, …

    https://nanohub.org/resources/7933

  11. ME 597 Lecture 25: Using the AFM to Measure Electrostatic Forces

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    02 Dec 2009 | Online Presentations | Contributor(s): Ron Reifenberger

    https://nanohub.org/resources/7928

  12. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 16: Synthesis and Nanomaterials

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    17 Nov 2009 | Online Presentations | Contributor(s): Nick Fang, Omar N Sobh

    Synthesis and Nanomaterials Topics: Nanostructures by Self-Assembly Making The Connection Synthesis of Nanomaterials Industrial Practice: Sol Gel Process Sol Gel Process Flow …

    https://nanohub.org/resources/7688

  13. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 18: Enabling tools for Characterization of Nanoscale Materials

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    17 Nov 2009 | Online Presentations | Contributor(s): Nick Fang, Omar N Sobh

    Enabling tools for nanoscale materials Topics: Vapor - Liquid - Solid Nanowire Growth Anodizing Alumina as Template Sensing with Nanowires Imagning with Energy Beams Scanning electron …

    https://nanohub.org/resources/7843

  14. Illinois ME 498 Introduction of Nano Science and Technology, Lecture 17: Synthesis and Nanomaterials II

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    17 Nov 2009 | Online Presentations | Contributor(s): Nick Fang, Omar N Sobh

    Synthesis and Nanomaterials II Topics: Nanostructures by Self-Assembly Making The Connection Synthesis of Nanomaterials Industrial Practice: Sol Gel Process Sol Gel Process Flow …

    https://nanohub.org/resources/7841

  15. ME 597 Lecture 17: Imaging or Peak Forces in Tapping Mode AFM

    This resource has a 8.1 Ranking

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    01 Nov 2009 | Online Presentations | Contributor(s): Arvind Raman

    https://nanohub.org/resources/7720

  16. ME 597 Lecture 16: Analytical Descriptions of AM-AFM, Theory of Phase Contrast

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    01 Nov 2009 | Online Presentations | Contributor(s): Arvind Raman

    https://nanohub.org/resources/7715

  17. ME 597 Lecture 13: Point Mass Models, Modeling AM-AFM

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    01 Nov 2009 | Online Presentations | Contributor(s): Arvind Raman

    https://nanohub.org/resources/7708

  18. ME 597 Lecture 12: Introduction to Dynamic AFM – Point Mass Approximation

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    01 Nov 2009 | Online Presentations | Contributor(s): Arvind Raman

    https://nanohub.org/resources/7703

  19. ME 597 Lecture 6: The Transition from STM to AFM

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    26 Oct 2009 | Online Presentations | Contributor(s): Ron Reifenberger

    G. Binnig, C. Quate and Ch. Gerber, “Atomic Force Microscope”, Phys. Rev. Lett. 56, 930 (1986).

    https://nanohub.org/resources/7622

  20. ME 597 Lecture 5: Some Topics in STM

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    20 Oct 2009 | Online Presentations | Contributor(s): Ron Reifenberger

    Topics: Scanning Tunneling Spectroscopy (STS) Current Imaging Tunneling Spectroscopy (CITS) Apparent barrier height Force on the tip Atomic Corrugation Quantum Corrals

    https://nanohub.org/resources/7600

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