Auxiliary equipment
Detailed information about more complex equipment is available from the side menu
Equipment | Parameters | Comment |
---|---|---|
LEED | Electron energy 30-1500 eV, working distance 10-20 mm. Working pressure better than 1E-9 mbar, emission current 10-100 uA. | 4-grid LEED spectrometer with AES capabilities from OCI VM. See webpage for LEED |
AES | e-gun energy 50-1500 eV energy resolution TBA | See LEED |
Sputter gun | Working gas: Ar. Ion Energy: 100-2500 eV Spot size on a sample ~ 2 cm and beam current on a 1 cm sample is ~ 1 uA at 1kV beam energy and partial pressure of Ar p(Ar)=3e-5 mbar | Dedicated, clean gas line for Ar. Different sputter gases e.g. Ne may be provided upon request. * at |
Leak valve | 1E-10 - 5E-5 mbar* | Dedicated gas line to LV. Use of corrosive, flammable and toxic gases must be assessed and approved by ChemSafety team prior to experiments. *higher partial pressures might be allowed after project assessment. |
Mass spectrometer / RGA | Mass range 1 - 150 a.m.u. Faraday cup (up to 1E-5mbar) and secondary electron multiplier, SEM (better than 1E-7 mbar) are available. | Quadrupole MS. Rudimentary TPD is available. The distance between the sample and the nozzle is ~ 20 cm. |
E-beam evaporator | Rod size: 1-5 mm diameter, less than 45 mm long. Ebeam power max 300 W Nozzle to sample distance ~ 150 mm Spot footprint ~ 10 mm, depending on the sample geometry | EFM3 from Omicron Manual |
Viewports | CF40 and CF63. | CF ports for users' equipment. May be available upon timely request. |
Long-distance microscope | Ultimate resolution ~ 3 um @ 250 mm working distance | Precise positioning of the tip on the sample. |
Additional equipment* | Upon timely request users are welcome to bring and use their own equipment |