Bragg Institute

Specifications

Instrument location: neutron-guide hall, cold guide CG3

Accessible Q range

  • Solid-liquid / air-solid : 0.005 - 0.5 A-1
  • Air-liquid : 0.005 - 0.35 A-1

Minimum reflectivity

  • ~10-8 - design target
  • off-specular scattering - yes
  • polarised reflectometry - yes

Monochromator

  • Time-of-flight using 2 - 20 x10-10m neutrons with a 4 chopper system (Astrium)
  • ΔT/T (Δλ/λ) = 1, 4 or 10%.

Collimation

  • High precision (< 5 m accuracy), hot pressed and sintered B4C slits.
  • Flight path (collimation system) ~ 1.6 m)

Sample area

  • Beam size: upto 54 mm wide by 30 mm high
  • Flux at sample position: ~109 ncm-2s-1
  • Sample → detector distance : 0.65 → 3.65 m

Analysers

  • Polarising supermirrors

Detector

  • 3He gas, 2D 'Denex' area detector, 500mm wide by 250mm high. 2mm vertical resolution, 2.5mm horizontal resolution.
  • Timing resolution < 3µs, global count rates up to 1 MHz.

Sample environment available

Ancillary

Performance

Quantity

Cryofurnace- Reflectometer/SANS

10K-600K

1

Temperature baths

-50C-250C

3

Horizontal Cryomagnet

5T

1

Gas Mixer / Controller

 

1

Solid-Liquid Cell




1

Langmuir Film Balance

 

1

Sealed Multiple Troughs

 

1