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Content tagged with: Nanoparticles and Diffraction and Scattering
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New Measuring Techniques Can Improve Efficiency, Safety of Nanoparticles

Mar. 2012- Eugene, OR | February 28th, 2012Using high-precision microscopy and X-ray scattering techniques, University of Oregon researchers have gained eye-opening insights into the process of applying green chemistry to nanotechnology that results in high yields, improves efficiency and dramatically reduces waste and potential negative exposure to human health or the environment. University of Oregon ...

Hacking the SEM: Crystal Phase Detection for Nanoscale Samples

Jan. 2012- Custom modifications of equipment are an honored tradition of the research lab. In a recent paper,* two materials scientists at the National Institute of Standards and Technology (NIST) describe how a relatively simple mod of a standard scanning electron microscope (SEM) enables a roughly 10-fold improvement in its ability to measure the crystal structure of nanoparticles and extremely thin ...

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Raman Enhancement Factor of a Single Tunable Nanoplasmonic Resonator

We have developed a novel technique to precisely determine the Raman enhancement factor in single nanoplasmonic resonators (TNPRs). TNPRs are lithographically defined metallodielectric nanoparticles composed of two silver disks stacked vertically, separated by a silica layer. At resonance, the local electromagnetic fields are enhanced at the TNPR surface, making it an ideal surface-enhanced Raman ...