Facilities
The consortium approach allows SuperSTEM to provide access to cutting-edge aberration corrected instruments at the following locations:
|
Consortium Universities
The following table shows an overview of the instrumenation capabilities at the consortium universities:
| University: |
Glasgow |
Leeds |
Liverpool |
Manchester |
Oxford |
| Make and Model |
JEOL ARM200F |
FEI Tecnai F20 (G2) |
JEOL 2100FCs |
Titan ChemiSTEM |
JEOL 2200MCO |
AcceleratingVoltages (corrected)
|
60kV
120kV
200kV
|
80kV
200kV
|
200kV
|
80kV
200kV
|
80kV
200kV
|
| Gun Type |
CFEG |
Schottky FEG |
Schottky FEG |
Schottky FEG |
Schottky FEG |
| STEM techniques available |
HAADF, MAADF, BF, Annular BF, DPC, Fast DualEELS, EDX(0.26sr), SI |
HAADF, BF, EDX |
HAADF, MAADF, BF, EELS, SI |
HAADF, EDX(>0.6sr) |
HAADF, MAADF, BF, EELS, EDX, SI |
| STEM imaging resolution |
<100 pm at 200kV expected |
300pm (not corrected) |
<100pm demonstrated |
80pm at 200keV
120pm at 80kV expected |
80pm at 200kV demonstrated |
| EELS Spectrometer Type |
Gatan Quantum 965 Imaging Filter with fast shutter, DualEELS and high speed VSM |
|
Gatan Quantum 963 Imaging Filter EFTEM & EELS Modes |
|
Jeol in-column imaging filter |
| EELS energy resolution |
0.3-0.43V FWHM depending on emission current.
Max entrance half angle >150mrad |
|
0.7eV |
|
<0.1 eV using installed monochromator;
0.7eV full energy-width beam |
| Other Capabilities |
- Field free STEM with DPC
- pre-specimen electrostatic blank
- fast voltage and current feedthrough to specimen rods
- Electron Tomography
|
- Cooling holder down to liquid nitrogen temperatures;
- Gatan heating holder up to 1000C;
- Suite of DFT EELS modelling codes plus experience |
|
- Cooling holder down to liquid nitrogen temperatures and heatingholder
- tomography holder |
- Cooling holder down to liquid nitrogen temperatures with demonstrated 90pm resolution |
|
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