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