Electron Microprobe Laboratory - equipment | Dipartimento di Scienze della Terra 'Ardito Desio' - DIPTERRA

Electron Microprobe Laboratory - equipment

EMPA - Equipment

Equipment

	JEOL 8200 Super Probe Main specifications Filament: Precentered tungsten (W) hairpin type Accelerating voltage: 200 V to 30 kV (100 V steps) Probe current range: 10-12 to 10-5 Å Secondary detector: Collector electrode, scintillator, light guide, PMT Backscattered detector: Si P-N junction Magnification: 40× to 300,000× Maximum single image resolution: 2048 × 2048 pixels (net-map possible) WDS - X-ray SPECTROMETER SYSTEM Detectable element range: 4Be to 92U Detectable wavelength: 0.087 to 9.3 nm Number of WDS spectrometers: five Atomic number resolution on BSE (Z): less/equal than 0.1 (CuZ) Quantification software of X-ray mapping via ZAF on pixel: possible Chemical analyses of Rare Earth minerals and rare minerals using a protocol made by V. Diella, National Research Council, Institute for the Dynamics of Environmental Processes EDS - X-ray SPECTROMETER SYSTEM Detectable element range: 11Na to 92U Energy resolution (FWHM): 144 eV or better CL -C CATHODOLUMINESCENCE SYSTEM OMT: Transmission Illuminator OM: Optical microscope CCD color camera SPECIMEN STAGE - Maximum specimen size: 100—100—20 (H) mm - Analyzable area: 80—80 mm - Working distance (WD): 11 mm - Driving step sizes Half-step 0.5 μm/step, Micro-step 0.02 μm/step SOFTWARE EPMA operation software EDS operation software WDS/EDS quantitative analysis software Phi-Rho-Z Quantitative Analysis Program WDS/EDS mapping WDS/EDS map data analysis (including combination mapping function)

Attività di Ricerca svolta dal laboratorio / Research activities	Chemical and textural analyses on Earth Materials Chemical and textural characterization on metals and alloys, steels, ceramics composites, and other artificial materials.