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Birth and Growth of Nanocrystals Observed

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ARGONNE, Ill., Oct. 22, 2010 — Scientists say they have observed, for the first time, nanoparticles growing from the earliest stages of their formation. Nanoparticles’ performance depends on their structure, composition and size, which is why researchers aim to develop ways to control conditions under which they are grown. The breakthrough will affect a wide range of applications including solar-cell technology and chemical and biological sensors. Nanoparticles growing. (Image: Wenge Yang) “It's been very difficult to watch these tiny particles be born and grow in the past because traditional...Read full article

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    Published: October 2010
    Glossary
    advanced photon source
    An accelerator at the Argonne National Laboratory, providing powerful x-ray beams for materials research applications.
    diffraction
    As a wavefront of light passes by an opaque edge or through an opening, secondary weaker wavefronts are generated, apparently originating at that edge. These secondary wavefronts will interfere with the primary wavefront as well as with each other to form various diffraction patterns.
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    Advanced Photon SourceAmericasArgonne National Laboratorybiological sensorsBiophotonicsCarnegie InstitutionCenter for Nanoscale MaterialsdiffractionenergyEnergy Frontier for Research in Extreme Environments CenterEnergy Frontier Research Centergreen photonicsHigh Pressure Synergetic Consortiumhigh-energy x-raysIllinoisImagingmetal-conducting liquidnanonanocrystalsnanoparticlesnanotechnologyResearch & TechnologyRussell HemleySensors & Detectorssolar cellsWenge Yang

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