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scanning electron microscope |
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scanning electron microscope [′skan·iŋ i′lek‚trän ′mī·krə‚skōp] (electronics) A type of electron microscope in which a beam of electrons, a few hundred angstroms in diameter, systematically sweeps over the specimen; the intensity of secondary electrons generated at the point of impact of the beam on the specimen is measured, and the resulting signal is fed into a cathode-ray-tube display which is scanned in synchronism with the scanning of the specimen. Abbreviated SEM. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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In order to characterize the defect region, scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS) was utilized. To determine what kind of stone the axes were made of, Lu used X-ray diffraction, scanning electron microscopy, and electron microprobe analysis. These include x-ray fluorescence spectroscopy, scanning electron microscopy with energy dispersive spectrometry, cathodoluminescence, and Fourier transform infrared spectroscopy. |
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