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Bragg Institute

Specifications

Instrument location: neutron-guide hall, cold guide CG3

Accessible Q range

  • Solid-liquid / air-solid : 0.005 - 0.5 Å-1
  • Air-liquid : 0.005 - 0.30 Å-1

Minimum reflectivity

  • ~10-8 - design target
  • off-specular scattering - yes
  • polarised reflectometry - yes
  • Time-of-flight using 2 - 20 Å neutrons with a 4 chopper system (Astrium)
  • ΔT/T (Δλ/λ) = 1, 4 or 10%.

Collimation

  • High precision (< 5μm accuracy), hot pressed and sintered B4C slits.
  • Flight path (collimation system) ~ 2600 mm)

Sample area

  • Beam size: upto 54 mm wide by 30 mm high
  • Flux at sample position: ~109 ncm-2s-1
  • Sample → detector distance : 2475 mm → 3560 mm

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

10 K - 600 K

1

Temperature baths

-50 °C - 250 °C

3

Horizontal Bruker Electromagnet

1 T

1

Gas Mixer / Controller

 

1

Solid-Liquid Cell

Surface: 40 x 80 mm

Surface 100mm diameter

1


1

Langmuir Film Balance

 

1

Sealed Multiple Troughs

 

1