Goniometer
The 4-circle in vacuum goniometer allows for rotation and translation of the sample as specified in the images and tables below. The sample may also be cooled by a cryostat to at least 25K.
Specifications
Technical Specifications for the 4-circle UHV Diffractometer
| θ Rotation | 230º, -20º to 190º |
| Resolution | 0.001º |
| Repeatability | 0.005º |
| Accuracy | 0.01º |
| 2θ Rotation | 185º, -10º to 175º |
| Resolution | 0.001º |
| Repeatability | 0.005º |
| χ Rotation | 90º, -45º to 45º |
| Resolution | 0.01º |
| Repeatability | 0.02º |
| Accuracy | 0.02º |
| φ Rotation | 180º, -45º to 135º |
| Resolution | 0.1º |
| Repeatability | 0.2º |
| Accuracy | 0.2º |
| Tx | ± 10 mm |
| Resolution | <0.5 μm |
| Repeatability | 2 μm |
| Ty | ± 6 mm |
| Resolution | <0.5 μm |
| Repeatability | 2 μm |
| Tz | ± 10 mm |
| Resolution | <0.5 μm |
| Repeatability | 2 μm |
Goniometer Documentation
partners
European Synchrotron Radiation Facility - 71, avenue des Martyrs, CS 40220, 38043 Grenoble Cedex 9, France.