intro to nanotechnology

7/31/2019 Intro to Nanotechnology

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Forward for Faculty & Collaborators

The following presentation is a partial result of work performed at the

Research Experience for Teachers (RET)

through the

University of Virginia

Center for Diversity in Engineering

and the

School of Engineering and Applied Sciences.

Special Thanks to

Lenoid Zighle PHD, Computational Materials, School of Engineering,

UVACarolyn Vallas, PHD, Center for Diversity in Engineering, UVA

Juliet Trail, Center for Diversity in Engineering, UVA


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Introduction toNanotechnology

By

Randy Applegate

At the RET sponsored by UVA and theCenter for Diversity In Engineering


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What is Nanotechnology

the study of the controlling of matter on an

atomic and molecularscale. Generally

nanotechnology deals with structures

sized between 1 to 100 nanometerin at

least one dimension, and involves

developing or modifying materials or

devices within that size.
http://en.wikipedia.org/wiki/Atomhttp://en.wikipedia.org/wiki/Molecularhttp://en.wikipedia.org/wiki/Nanometerhttp://en.wikipedia.org/wiki/Nanometerhttp://en.wikipedia.org/wiki/Molecularhttp://en.wikipedia.org/wiki/Atom


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Nanotechnology

is already making todays products:

Lighter

Stronger

Faster

Smaller

More Durable


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How small is Nano - small?

Units in nanometers (m)


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Compared to Human Hair

A Human Hair is about 100,000m wide


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A Nano-Scale Demonstration

http://screencast.com/t/MzAxODc5

http://screencast.com/t/MGMxZTcyN2E
http://screencast.com/t/MzAxODc5http://screencast.com/t/MGMxZTcyN2Ehttp://screencast.com/t/MGMxZTcyN2Ehttp://screencast.com/t/MGMxZTcyN2Ehttp://screencast.com/t/MGMxZTcyN2Ehttp://screencast.com/t/MzAxODc5


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Key Terms

Nonotechnology

Nanometer

Nanotube

AtomAtomic Level

System

Atomic StructureFluence (Laser)

Defects

Dislocation

Molecule

Molecular Dynamics

ComputationalMaterials Science

Newtons Laws ofMotion


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Material Sciences

Atomic level Simulations:

Molecular Dynamics

Computational Research

Dislocation Dynamics


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Computational Materials Group

Dr. Leonid Zhiglei


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Emphasis of Research

Atomic level Simulations:

Molecular Dynamics

Computational ResearchDislocation Dynamics


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Getting a Base Line on Material

Molecular Behavior

Molecule

Relationship

To other

Molecules

Section of

Material


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Determine Starting Point

(Initial Conditions)Using Newtons Second Law of

Classic Motion

i im a F


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How Molecule Move


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Applications of Nanotechnology


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Current Applications

burn and wound dressings, water filtrationdevices, paints, cosmetics, coatings,lubricants, textiles, memory/storage

devicesmedical diagnostics, displays, sensors,drug delivery, composite materials, solidstate lighting, bio-materials, nano arrays,more powerful computers, protectivearmor, chem-bio suits, and chem-biosensors


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Future Applications

2011-15 -- nanobiomaterials,microprocessors, new catalysts, portableenergy cells, solar cells, tissue/organ

regeneration, smart implants

2016 and beyondmolecularcircuitry, quantum computing, new

materials, fast chemical analyses


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C:\Documents and Settings\randy.applegate\My Documents\RET at UVA\NanoGear.swf