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Smithsonian National Museum of Natural History
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Department of Mineral Sciences

Izalco Volcano
An FEI Nova NanoSEM 600 variable pressure ultra-high-resolution field emission gun scanning electron microscope resides in the Department of Mineral Sciences. In addition to secondary, backscattered and scanning transmission electron imaging to the nanometer scale, the instrument is fitted with a ThermoFisher energy dispersive x-ray detector (EDS) and a Gatan cathodoluminescence (CL) detection system. Variable pressure capability allows imaging and analysis of samples that are not conductively coated. The large sample chamber can hold specimens up to 15cm in diameter and several cm thick.

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