Now showing items 88-107 of 125

    • Optical Metamaterials: From Linear Responses to Nonlinear Interactions and Beyond 

      Cai, Wenshan (Georgia Institute of Technology, 2014-11-11)
      Metamaterials are commonly viewed as artificially-structured media capable of realizing arbitrary effective parameters, in which metals and dielectrics are delicately combined to facilitate the index contrast and plasmonic ...
    • An Optical Rectenna 

      Cola, Baratunde (Georgia Institute of Technology, 2015-08-25)
      An optical rectenna – that is, a device that directly converts free‐propagating electromagnetic waves at optical frequencies to d.c. electricity – was first proposed over 40 years ago, yet this concept has not been ...
    • Optics in the Natural World: Iridescent Colors of Butterflies and the Twisted Beetle! 

      Srinivasarao, Mohan (Georgia Institute of Technology, 2013-01-08)
      The study of photonics in nature contains beautiful and diverse examples of sub-wavelength structural features that create observed colors through thin layered or multilayered interference, diffraction, zero order diffraction ...
    • Optimization of a Biomimetic Poly-(Lactic Acid) Ligament Scaffold 

      Uehlin, Andrew (Georgia Institute of Technology, 2013-01-22)
      The anterior cruciate ligament (ACL) is the most commonly injured ligament of the knee, often requiring orthopedic reconstruction using autograft or allograph tissue, both with significant disadvantages. As a result, tissue ...
    • Organic and Hybrid Materials for Photonics and Electronics 

      Perry, Joseph (Georgia Institute of Technology, 2015-09-22)
      In this talk, I will present an overview of my group’s research on materials for photonics and electronics. Polymethine dyes are promising materials for nonlinear optical processes such as all-optical signal processing ...
    • Organic Semiconductors for Flexible Printed Electronics 

      Kippelen, Bernard (Georgia Institute of Technology, 2012-09-11)
      Advances during the last 30 years in the synthesis and processing of organic materials with nonlinear optical and semiconducting properties, have fueled the emergence of a new technology that can potentially lead to low ...
    • Particle-Stabilized Emulsions and the Surprising Effects of Particle Charge and Nano-Scale Roughness 

      Behrens, Sven (Georgia Institute of Technology, 2013-12-10)
      It has been known for more than a century that colloidal particles with the “right” wetting properties can stabilize emulsions, much like surfactants or amphiphilic polymers do. Today, particlestabilized emulsions ...
    • Patent Law and Nanotechnology 

      Woods, Eric (Georgia Institute of Technology, 2008-08-26)
      From a researcher's perspective, understanding the elements that should be in a patent application and how the patent office evaluates prior art and patentability can be daunting. A basic introduction to the criteria that ...
    • Pathways to Improved Performance of Electrochemical Systems Through an Understanding of Dynamic Materials Processes 

      McDowell, Matthew (Georgia Institute of Technology, 2016-02-09)
      Dynamic materials processes such as phase transformations, corrosion, and nucleation/growth can play key roles during operation of devices for electrochemical energy storage and conversion; often, these processes are not ...
    • Peptide and Protein Nanomaterials: The Design Challenge 

      Conticello, Vincent (Georgia Institute of Technology, 2015-11-10)
      Structurally defined materials on the nanometer length-scale have been historically the most challenging to rationally construct and the most difficult to structurally analyze. Sequence-specific biomolecules, i.e., proteins ...
    • Plasma Etching at IEN: An Overview of Equipment and Processes 

      Chen, Hang (Georgia Institute of Technology, 2013-09-10)
      Plasma etching has become one of the most important techniques in IC fabrication. It plays a critical role in creating geometries of extremely small size for highly integrated devices. Plasma etching techniques utilize ...
    • Polymeric Semiconductors: Molecular Ordering, Charge Transport and Macroscale Mobility 

      Reichmanis, Elsa (Georgia Institute of Technology, 2014-01-28)
      The performance of devices fabricated using polymeric semiconductors depends critically upon alignment of the polymer chains at the nano- through macro-scales. Significant structure-process- property relationships that ...
    • Problem Solving Using Light and Electron Microscopy 

      Brown, Rich (Georgia Institute of Technology, 2013-03-12)
      Using a combination of microscopical techniques, Rich applies polarized light microscopy (PLM), Fourier transform infrared microspectroscopy, (FTIR), confocal Raman microscopy, (CRM), scanning electron microscopy-energy ...
    • Properties and Technological Applications of Superconducting Nanowire Devices 

      Marchenkov, Alexei (Georgia Institute of Technology, 2007-10-09)
      The generation of high-frequency current oscillations when a constant voltage is applied across an insulating tunnel gap separating two superconductors was one of the fundamental theoretical predictions made by Brian ...
    • A Realistic View of Commercializing Nanotechnology Within the Chemical and Various Other Industries 

      Kirk, Richard A.; Blevins, Daniel (Georgia Institute of Technology, 2008-02-26)
      Nanotechnology has become "The Word" across all business lines; yet, few understand this new technology and the future impact on their prospective businesses. This talk will provide a framework for understanding nanotechnology ...
    • Resonant MEMS 

      Brand, Oliver (Georgia Institute of Technology, 2015-12-08)
      The presentation discusses resonant MEMS and, in particular, resonant microsensors, in which the measurand affects a characteristic of the resonance behavior of a microstructure, such as its resonance frequency or quality ...
    • The Role of Thermal Transport in Nanotechnology Applications 

      Yee, Shannon (Georgia Institute of Technology, 2015-03-24)
      As devices are miniaturized, thermal transport limits are more routinely halting progress. Microchip heat fluxes are approaching that of the surface of the sun. Needless to say, our ability to manage those heat fluxes ...
    • Scanning Mass Spectrometry (SMS) Probe 

      Kottke, Peter (Georgia Institute of Technology, 2008-04-08)
      Peter Kottke described the SMS probe, a tool currently under development for mass spectrometric imaging of live biological samples in vitro. In order to obtain spatially resolved images of chemical species distributions ...
    • Selective Deposition of Au onto 40-nm Ag Nanocubes with Excellent Plasmonic Properties and Chemical Stability 

      Yang, Yin (Georgia Institute of Technology, 2014-04-08)
      Silver nanocrystals have received considerable attention owing to their fascinating optical properties known as localized surface plasmon resonance for applications in surfaceenhanced Raman scattering (SERS), optical ...
    • Silicon Electrochemical Neurosensor Systems 

      Brown, Richard (Georgia Institute of Technology, 2008-05-27)
      Arrays of silicon neurosensors that detect both electrical signals and neurotransmitter levels in human neuron cultures have been fabricated. Neurochemical sensing of dopamine and its metabolites is provided by voltammetry. ...