Instrument Parameters
| Neutron guide | |
|---|---|
| cold source (liq. D2) | λpeak = 4 Å |
| mean flux (Au activation) | 1.38 x 108 n s-1 cm-2 mA-1 |
| coating Ni-Ti-supermirrors | m = 2 |
| cross section | 50 mm x 50 mm |
| λc from simulation | 1 Å |
| Chopper | |
|---|---|
| disks | 2, side by side, phase coupled |
| gating frequency | 20 ... 100 Hz |
| Frame overlap mirrors | |
| cut off wavelength | 12 Å |
| Deflecting mirrors/polarizers | |
| supermirrors and multilayer monochromators double HOPG mono, exchangeable full polarized mode |
|
| Analyzer | |
|---|---|
| FeCo/Si or FeCoV/Ti:N-supermirrors |
| Collimation slits | |
|---|---|
| slit dimensions | (0.05 ... 20 mm) x (5 ... 55 mm) |
| Sample manipulation table | |
| rotations | 2 circles (ω: ± 10 deg, χ: ± 7 deg |
| translations | 2 directions |
| maximum sample size | 150 mm x 500 mm |
| Alignment aids | |
|---|---|
| laser, (electronical inclinometer) |
| Detectors | |
|---|---|
| 3He x-y (EMBL wire) | 172 mm x 190 mm, < 2mm resolution |
| 3He single detectors | 2 |
| total length chopper - detector L | 3.5 ... 10 m |
| Resolution | |
|---|---|
| dq/q | 1.0% ... 10% |
| Sample environment | |
|---|---|
| electromagnets | Bmax = 1.0 T or 1.5 T at room temp. |
| Helmholtz coil | Bmax = 0.1 T with CCR >10 K |
| cryomagnets | Bmax = 2.5 T >1.5 K |
| closed cycle refrigerators Langmuir trough liquid-solid sample cell HAAKE water thermostat vacuum furnace |
|