By Swiss Nanoscience Institute
Technical specifications - Field emission scanning electron microscope with cryo unit from Gatan - Resolution electron beam: 20 nm bei 30 kV (High vacuum mode) Detectors and micro analysis - SE detector - Backscattered electron detector (BSE) - Energy dispersive X-ray micro analysis (EDX), EDAX Genesis 6.0 software - Modified by RemX GmbH - DISS5 software from REM-X GmbH Typical applications and accessories - Examination of standard specimens in high vacuum mode - Examination of anorganic material, SE and BSE mode in combination with EDX - Cryo stage, especially suited for hydrated organic or heat sensitive material Location Pharmazentrum, U1002 Cryo Preparation Unit Gatan Alto 2500 - Nitrogen cold stage (-185°C to +50°C) and interface to SEM stage - Nitrogen 'heat exchange' dewar and gas feedthroughs to SEM chamber - Ball valve incorporating microswitches plus mechanical interlock and interface to SEM chamber - High vacuum cryo preparation chamber, with integral nitrogen dewar, sample platform and variable temperature facility (-185°C to +100 C) - Cold knife fracturing device - Binocular viewer, x10 and x20 magnification - Cold Magnetron sputter source for high resolution sputter coating (supplied with Au, AuPd and Pt target) - Turbomolecular pump system for cryo preparation chamber - Keypad control unit for vacuum - '2-pot' freezing station for producing nitrogen slush and loading pre-frozen samples - Self pressurising N2 dewar with gas flow regulator for cooling SEM cold stage and gas purging
