Variable temperature liquid helium refrigerator – VTI
| Model | SuperVaritemp |
|---|---|
| Manufacturer | Janis Research Company (Lake Shore cryotonics) |
| Internal designation | VTI |
| Localization | D2-0066 |
| Technical resource(s) | Christian Lupien Michael Lacerte |
| Types of analysis | Electrical measurements over a wide range of temperatures and magnetic fields. |
| Quantitative, semi-quantitative, qualitative | Quantitative |
| Sample size (mm) | min: - max: up to 80 mm of diameter |
| Temperature (K) | min: 1.4 K max: 300 K |
| Magnetic field (T) | min: - 8 T max: 8 T |
| Measurements: DC or microwave? | DC and microwave measurements |
| Time required to cool the sample down | Approximately 40 mn (system already cold) - sample warm up in 1 h 30 |
| Specific features | Liquid helium usage 2 high frequency AC lines (40 GHz) and up to 24 DC electrical lines 4-channel SMU (Keysight) |
| What makes it unique? | The sample space at the heart of the superconducting magnet is larger than the one in a conventional cryostat. |