Our "workhorse" is an Omicron VT-UHV-STM 50 K, which has been (and still is being) modified and optimized in our group for years. It is our original self-developed scanning thermal microscope (SThM) based on the commercial device.
Pressure Range:
- Prep chamber: Atmospheric pressure down to 10-8 hPa
- Main chamber: down to 10-10 hPa
Sample Temperature Range:
- LN2: down to 100 K
- LHe: down to 50 K
- Direct sample heating: up to 650 K
Equipment:
- Prep chamber:
- argon ion sputter
- sample heater
- (inactive) thermal effusion cell
- Main Chamber:
- sample heater
- (inactive) Auger-Electron spectrometer
- scanning tunneling-/ scanning thermal microscope