Instrument Parameters
Neutron guide | |
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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 | |
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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 | |
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FeCo/Si or FeCoV/Ti:N-supermirrors |
Collimation slits | |
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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 | |
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laser, (electronical inclinometer) |
Detectors | |
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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 | |
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dq/q | 1.0% ... 10% |
Sample environment | |
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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 |