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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.
MSE 405 Homework Assignments (Fall 2006)
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29 Jan 2011 | Series | Contributor(s): Mark Hersam
ME 597 Teaching Materials: Homeworks (Fall 2010)
18 Oct 2010 | Series | Contributor(s): Ron Reifenberger, Arvind Raman
Homework materials for the Fall 2010 teaching of ME 597/PHYS 570: Fundamentals of Atomic Force Microscopy.
WALLA Lecture Series: Big Things from a Tiny World
01 Apr 2010 | Series
Think really small–smaller than anything you have ever seen through a microscope. Think atoms and molecules. Now you are at the nanoscale. Nanoscience and nanotechnology are creating new …
Nano*High: Nanoscience for High School Students
02 Feb 2010 | Series | Contributor(s): Alexander S McLeod, Jeffrey B. Neaton, Jeffrey C Grossman
The Materials Sciences Division at the University of California's Lawrence Berkeley National Laboratory invites you and your students to Nano*High, a series of free Saturday morning lectures by UC …
NCN Nanomaterials: Tutorials
02 Jun 2009 | Series
NCN Nanomaterials: Research Seminars
NCN Nanomaterials: Simulation Tools for Education
NCN Nanomaterials: Simulation Tools for Research
nanoHUB.org, a resource for nanoscience and nanotechnology, is supported by the National Science Foundation and other funding agencies.