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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.
BNC Research Review: The Birck Nanotechnology Center-Progress, Opportunitiees, and Challenges
Ranking is calculated from a formula comprised of user reviews and usage data. Learn more ›
04 Jun 2008 | Online Presentations | Contributor(s): Timothy D. Sands
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 …
MSE 640 Lecture 15: Theory of high resolutiion TEM, Part 1
29 May 2008 | Online Presentations | Contributor(s): Eric Stach
MSE 640 Lecture 14: Overview of Phase Contrast & High resolution TEM
MSE 640 Lecture 13: Diffraction contrast imaging
Weak beam dark field imaging, Simulation of diffraction contrast
MSE 640 Lecture 12: Diffraction contrast imaging, Part 1
Review: Planar faults, Strain fields -generally, Dislocations, Coherent precipitates
MSE 640 Lecture 12: Diffraction contrast imaging, Part 2
MSE 640 Lecture 11: Diffraction contrast imaging
Thickness fringes, Bend contours, Planar faults
Nanoscale Opto Thermo Electric Energy Conversion Devices
28 May 2008 | Online Presentations | Contributor(s): Ali Shakouri
We review solid-state devices that allow direct conversion of heat into electricity. We describe fundamental and practical limits of conventional thermoelectric materials. Novel metal-semiconductor …
Basics of Particle Adhesion
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 …
In Search of the Perfect Semiconductor Photon Detector
19 May 2008 | Online Presentations | Contributor(s): Peter Y. Yu
Photon detectors have many important applications, such as in heat sensing, digital cameras, solar cells and x-ray and gamma-ray detection. So far, the most common detectors are based on elemental …
Nanotechnology Research Opportunities within the Forest Products Industry
28 Apr 2008 | Online Presentations | Contributor(s): Robert J. Moon
This talk will provide an overview of research opportunities within forest products industry. There will be a general description of the anatomical and chemical structure of wood, their connection …
MSE 640 Lecture 5: Diffraction from Crystals "Structure Factor", Part 2
18 Mar 2008 | Online Presentations | Contributor(s): Eric Stach
The Novel Nanostructures of Carbon
28 Feb 2008 | Online Presentations | Contributor(s): Gene Dresselhaus
A brief review will be given of the physical underpinnings of carbon nanostructures that were developed over the past 60 years, starting with the electronic structure and physical properties of …
MSE 640 Lecture 2: Elastic Scattering, Part 1
25 Feb 2008 | Online Presentations | Contributor(s): Eric Stach
The Potential of Nanostructured Materials to Address the Challenge of a Sustainable Energy Resource
14 Feb 2008 | Online Presentations | Contributor(s): Mildred S. Dresselhaus
An overview is presented on the grand challenges to the science community in the next few decades in meeting global energy needs for the 21st century. Major advances in our present capabilities will …
Heat Transfer across Solid Contacts Enhanced with Nanomaterials
11 Feb 2008 | Online Presentations | Contributor(s): Timothy S Fisher
This presentation will describe thermal transport processes at solid-solid material interfaces. An overview of applications in the electronics industry will serve to motivate the subject, and then …
MSE 582 Lecture 1: Introduction
28 Jan 2008 | Online Presentations | Contributor(s): Eric Stach
Lecture 2: total energy and force calculations
14 Jan 2008 | Online Presentations | Contributor(s): Alejandro Strachan
This lecture will describe the various models used to describe the interactions between atoms in a wide range of materials including metals, ceramics and soft materials as well as new recent …
Lecture 1: the theory behind molecular dynamics
09 Jan 2008 | Online Presentations | Contributor(s): Alejandro Strachan
The first lecture will provide a brief description of classical mechanics and statistical mechanics necessary to understand the physics and approximations behind MD and how to correctly …
Lecture 3: simulation details and coarse grain approaches
The last presentation will describe simulation techniques to simulate materials under isothermal and isobaric conditions. We will also describe coarse grain or mesodynamical approaches (where …
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