Instrument Specifications

Monochromator area

Wavelength range 1x10-10m to 3x10-10m

Variable monochromator take-off angle between 90o and 140o

Ge 115 monochromator, sagittal focusing with fixed radius

- 24 crystal slabs

Ge 335 monochromator, [1 -1 0] vertical allowing for asymmetric reflections, variable sagittal focusing

- 23 crystals of 12 mm high x 50-70 mm wide x 8mm thick

- variable focusing between flat and Rcurvature = 1 m

- common reflections will be 331, 335, 337 ... hhl

Kinematic mount for easy changing

Primary Collimator

Selection of three options: 5', 10', open (~12-36' depending on the wavelength).

Secondary Collimator

10' or natural divergence (~20-40' depending on the selected reflection).

Sample area

Max. beam size is 20 mm wide by 50 mm high

Sample rotation of 360o

X-y stage with 20 mm travel in each direction.

Sample cross tilt stage of +/- 20°

Variable monochromator to sample position of 2.5, 3.0, and 3.5 m.


128 linear position sensitive detectors of 25 mm diameter x 300 mm high

128 collimators with 5' collimation and 15mm wide and 300mm high

Typical Scan Time

1-6 hours depending on sample composition and size and selected instrument configuration


Sample environments available

Ancillary Performance Quantity
Cryofurnace-pooled for general use 6K - 800K 3
Cryostat 1.8K-300K 1
Controlled Gas Furnace 100C-1100C 1
Vacuum Furnace 100C-1800C 1
BST uniaxial rig 200kN 1
Vertical Field Cryomagnet / CCR B= 7.4T T=10K-300K 1
Gas Mixer / Controller   1
Sample Changer-Powders   1
Eulerian Cradles   1

Instrument location: neutron-guide hall, thermal guide TG-1