Tags: materials science

Online Presentations (1-20 of 395)

  1. A Gentle Introduction to Nanotechnology and Nanoscience

    13 Feb 2006 | | Contributor(s):: Mark Ratner

    While the Greek root nano just means dwarf, the nanoscale has become a giant focus of contemporary science and technology. We will examine the fundamental issues underlying the excitement involved in nanoscale research - what, why and how. Specific topics include assembly, properties,...

  2. A Primer on Scanning Tunneling Microscopy (STM)

    04 Apr 2006 | | Contributor(s):: Ron Reifenberger

    Scanning Probe Microscopes and their remarkable ability to provide three-dimensional maps of surfaces at the nanometer length scale have arguably been the most important tool in establishing the world-wide emergence of Nanotechnology. In this talk, the fundamental ideas behind the first scanning...

  3. Active Photonic Nanomaterials: From Random to Periodic Structures

    06 Feb 2006 | | Contributor(s):: Hui Cao

    Active photonic nanomaterials, which have high gain or large nonlinearity, are essential to the development of nanophotonic devices and circuits. In this talk, I will provide a review of our recent research activities related to the fabrication of active photonic nanomaterials and the development...

  4. AFM Metrology of Cellulose Nanocrystals

    21 Mar 2011 | | Contributor(s):: Robert J. Moon, Ryan Wagner

    This talk discusses the characterization of cellulose nanocrystals via atomic force microscopy.

  5. Aluminum: a safe, economical, high energy density material for energy storage, transport and splitting water to make hydrogen on demand

    29 Mar 2009 | | Contributor(s):: Jerry M. Woodall

    In 1968, a team lead by the author discovered that liquid gallium saturated with aluminum at room temperature would split water into hydrogen gas, alumina and heat. More recently his current team has discovered that bulk, solid Al rich alloys will also split water in the same manner. Since 1) the...

  6. An Experimentalists’ Perspective

    19 Dec 2007 | | Contributor(s):: Arunava Majumdar

    This presentation was one of 13 presentations in the one-day forum, "Excellence in Computer Simulation," which brought together a broad set of experts to reflect on the future of computational science and engineering.

  7. An Introduction to Colloidal and Self-Assembled Materials I

    05 May 2015 | | Contributor(s):: Travis L. Benati, NACK Network

    OutlineReview of SolutionsColloids and Colloidal ChemistrySelf-Assembly

  8. An Introduction to Colloidal and Self-Assembled Materials II

    26 May 2015 | | Contributor(s):: Travis L. Benati, NACK Network

    Outline Review of Solutions Colloids and Colloid Chemistry Self-Assembly What is it? Forces and interactions Examples from nature Nanotechnology examples

  9. An Introduction to Nanoparticle Synthesis and Applications

    26 May 2015 | | Contributor(s):: Sebastien Maeder, NACK Network

    OutlineNanoparticle SynthesisColloidal Chemical MethodsAttritionPyrolysisRF PlasmaThermal decompositionPulsed Laser MethodSome Nanoparticle Applications

  10. An Introduction to Nanoparticles and Nanostructures

    26 May 2015 | | Contributor(s):: Sebastien Maeder, NACK Network

    OutlineDefinition and ExamplesPhysical PropertiesSizeCrystalStructureMelting PointMechanical StrengthOptical PropertiesSurface PlasmonsQuantum Confinement EffectsElectrical PropertiesHealth Concerns

  11. Application-driven Co-Design: Using Proxy Apps in the ASCR Materials Co-Design Center

    31 May 2012 | | Contributor(s):: Jim Belak

    Computational materials science is performed with a suite of applications that span the quantum mechanics of interatomic bonding to the continuum mechanics of engineering problems and phenomenon specific models in between. In this talk, we will review this suite and the motifs used in each of the...

  12. Atomic Force Microscopy

    01 Dec 2005 | | Contributor(s):: Arvind Raman

    Atomic Force Microscopy (AFM) is an indispensible tool in nano science for the fabrication, metrology, manipulation, and property characterization of nanostructures. This tutorial reviews some of the physics of the interaction forces between the nanoscale tip and sample, the dynamics of the...

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

    18 Dec 2009 | | 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 polycrystalline metals during tensile tests molecular dynamics simulations of materialsmechanical...

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

    18 Dec 2009 | | 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 nano-Materials Simulation Toolkit.This lecture is part of the learning module Atomic Picture of Plastic...

  15. Atomistic Alloy Disorder in Nanostructures

    26 Feb 2007 | | Contributor(s):: Gerhard Klimeck

    Electronic structure and quantum transport simulations are typically performed in perfectly ordered semiconductor structures. Bands and modes are defined resulting in quantized conduction and discrete states. But what if the material is fundamentally disordered? What if the disorder is at the...

  16. Bandstructure in Nanoelectronics

    01 Nov 2005 | | Contributor(s):: Gerhard Klimeck

    This presentation will highlight, for nanoelectronic device examples, how the effective mass approximation breaks down and why the quantum mechanical nature of the atomically resolved material needs to be included in the device modeling. Atomistic bandstructure effects in resonant tunneling...

  17. Basics of Particle Adhesion

    21 May 2008 | | 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 and pharmaceutical manufacturing. The presentation will include experimental and theoretical and...

  18. Bending Properties of Carbon Nanotubes

    21 Mar 2006 | | Contributor(s):: SeongJun Heo, Susan Sinnott

    The effect of filling carbon nanotubes on the mechanical, especially bending, behavior of empty and filled (10,10) carbon nanotubes (CNTs) is examined using classical, atomistic, molecular dynamics (MD) simulations. In particular, influences of different filling materials like C60 or other CNT...

  19. Biocompatibility and Cellular Overview I

    24 Oct 2017 | | Contributor(s):: Terry Kuzma, NACK Network

    Outline:BiocompatibilityQuick overview of cellular interactionscale, size, generic animal cellNanoscale materials for biological interactionLiposomesMetal NanoparticlesNanoshellsExamples of bionano applicationsLectures:Biocompatibility and Cellular Overview I (this lecture)Biocompatibility and...

  20. Biocompatibility and Cellular Overview II: Role of Proteins and Cellular Junctions

    26 Oct 2017 | | Contributor(s):: Terry Kuzma, NACK Network

    Outline:BiocompatibilityQuick overview of cellular interactionscale, size, generic animal cellNanoscale materials for biological interactionLiposomesMetal NanoparticlesNanoshellsExamples of bionano applicationsLectures:Biocompatibility and Cellular Overview IBiocompatibility and Cellular Overview...