Scientific Instrumentation
We are currently operating four UHV-systems. The capabilities of the machines are detailed below. In case you are interested in using them, please contact C. Busse directly.
LT-SPM (Scienta Omicron Infinity)
Scanning probe microscopyat low temperatures in UHV
Preparation
- sample heating / cooling 26 - 1670 K
- sample storage (21 slots)
- ion source
- 3-pocket electron-beam evaporator
- 3-pocket effusion cell
- gas doser
- 2 mass spectrometers (1-200 amu)
- sample transfer under UHV
Characterization
- STM / STS at 9.5-150 K and 300 K (closed-cycle cooling)
- AFM (qPlus) at 9.5-150 K and 300 K
- in-situ tip preparation
- LEED
- AES
VT-STM 1 (TuMA 3)
Scanning tunneling microscopy at variable Temperatures in UHV
Preparation
- sample heating / cooling 140 - 1600 K
- ion source with Wien-filter
- 4-pocket e-beam evaporator
- effusion cell
- gas doser
- mass spectrometer
Characterization
- STM at variable temperatures (140 K - 600 K)
- LEED
- TDS
VT-STM 2 (Scienta Omicron Multiprobe)
Scanning tunneling microscopy at variable Temperatures in UHV
Preparation
- sample heating / cooling 138 - 1620 K
- sample storage with 12 slots
- ion source
- 4-pocket e-beam evaporator
- source for alkali metals
- source for sulfur and selenium
- gas dose
- 2 mass sepctrometer (1 - 200 amu)
- sample transfer under UHV
Characterization
- STM at variable temperatures (100 K - 650 K)
- AFM
- LEED
- AES
VT-STM 3 (CVD/PVD with SPECS Aarhus STM)
Scanning tunneling microscopy at variable Temperatures in UHV
Preparation
- sample heating / cooling 96 - 1600 K
- sample storage with 8 slots
- ion source
- 4-pocket e-beam evaporator
- 3-pocket effusion cell
- gas doser
- borazine doser (cooled)
- sample transfer under UHV
Characterization
- STM at variable temperatures (90 - 400 K)
- LEED
- AES