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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.
ME 597 Lecture 10: Force Distance Curves II
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11 Oct 2010 | Online Presentations | Contributor(s): Arvind Raman
ME 597 Lecture 7: Interaction Forces III
05 Oct 2010 | Online Presentations
ME 597 Lecture 8: Introduction to Contact Mechanics
05 Oct 2010 | Online Presentations | Contributor(s): Ron Reifenberger
Transformative Power Semiconductor Technologies to Impact 21st Century Energy Economy, and Space and Defense Electronics
22 Sep 2010 | Online Presentations | Contributor(s): Krishna Shenai
This talk will focus on advanced power semiconductor materials, devices, circuits and systems that are needed in order to address this daunting challenge. Specifically we will discuss emerging …
ME 597 Lecture 9: Force Distance Curves I
20 Sep 2010 | Online Presentations | Contributor(s): Arvind Raman
ME 597 Lecture 6: Interaction Forces II
16 Sep 2010 | Online Presentations
Tutorial 3: Materials Simulation by First-Principles Density Functional Theory
14 Sep 2010 | Courses | Contributor(s): Umesh V. Waghmare
This two-part lecture will provide an introduction to first-principles density functional theory based methods for simulation of materials, with a focus on determination of interatomic force …
Tutorial 3b: Materials Simulation by First-Principles Density Functional Theory II
14 Sep 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare
This lecture is part of the 2010 NCN@Purdue Summer School: Electronics from the Bottom Up. “Electronics from the Bottom Up” is an educational initiative designed to bring a new perspective to …
Tutorial 3a: Materials Simulation by First-Principles Density Functional Theory I
This lecture provides an introduction to first-principles density functional theory based methods for simulation of materials, with a focus on determination of interatomic force constants and …
ME 597 Lecture 5: Interaction Forces I
14 Sep 2010 | Online Presentations | Contributor(s): Ron Reifenberger
See reading references below. Related Reading: J. Israelachvilli, “Intermolecular and surface forces,” Elsevier Science, 2010, 3rd ed. H. J.Butt,B. Cappella, M. Kappl, “Force measurements …
ME 597 Lecture 4: The Transition from STM to AFM
09 Sep 2010 | Online Presentations | Contributor(s): Ron Reifenberger
Recommended Reading: See References below. G. Binnig, C. Quate and Ch. Gerber, Atomic Force Microscope,
ME 597 Lecture 3: Advanced Topics in STM
Topics: Scanning Tunneling Spectroscopy (STS) Current Imaging Tunneling Spectroscopy (CITS) Apparent barrier height Force on the tip Atomic Corrugation Quantum Corrals Quantum Corrals …
ME 597 Lecture 2: STM Experimental Considerations
01 Sep 2010 | Online Presentations | Contributor(s): Ron Reifenberger
Topics: Early Successes How to Make an STM Recommended Reading: See References below. G. Binning, H. Rohrer, Ch. Gerber, E. Weibel, “7x7 Reconstruction of Si(111) Resolved in Real …
ME 597 Lecture 1: Review of Quantum Tunneling/Introduction to STM
Topics: Quantum Tunneling The STM – basic idea Recommended Reading: See References below. G. Binnig, H. Rohrer, Ch. Gerber, E. Weibel, “Tunneling through a controllable vacuum …
ME 597/PHYS 570: Fundamentals of Atomic Force Microscopy (Fall 2010)
01 Sep 2010 | Courses | Contributor(s): Ron Reifenberger, Arvind Raman
Fall 2010 A course for students interested in learning the fundamentals underlying Atomic Force Microscopy.
ME 597 Course Overview
Superficial Science – Polymer Surface Science at Purdue
26 Aug 2010 | Online Presentations | Contributor(s): Jeffery Youngblood
In this presentation, Professor Youngblood describes his current research projects and the theme that ties them together - surface science.
Illinois iOptics Lecture 4: Advance applications in Nanomaterials, Photovoltaics, Organic/Inorganic Sensors, Materials Science, and Alternative Energies, etc. using Raman and Photoluminescence Technologies
10 Aug 2010 | Online Presentations | Contributor(s): Emmanuel Leroy, Michael Oweimrin
Emmanuel Leroy originally began his career at the Horiba Jobin Yvon facility in France (formerly Dilor) and moved to the USA as a Service Engineer to support the Raman products in North and South …
Thermal Transport in Nanostructured Materials: Working to Improve Efficiency in the Field of Thermoelectrics
08 Jul 2010 | Online Presentations | Contributor(s): Suzanne Singer
This talk discusses the performance of nanostructured thin films as a potential material for thermoelectric energy conversion applications, as well as the material composition variations that can …
Ripples and Warping of Graphene: A Theoretical Study
08 Jun 2010 | Online Presentations | Contributor(s): Umesh V. Waghmare
We use first-principles density functional theory based analysis to understand formation of ripples in graphene and related 2-D materials. For an infinite graphene, we show that ripples are linked …
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