Specifications
Instrument location: neutron-guide hall, thermal guide TG3
Neutron beam
• Maxwellian distribution with peak intensity at ~1.5 Å
• wavelength range: 1.20-2.85 Å
• take-off angle range: 55-165°
• max beam size: 60x30 mm2
Monochromator
• Double focusing bent perfect crystal
• Si(400) cut with [110] vertically
• Monochromator is made from 9 packets each composed from 13 wafers.
• Wafer dimensions: 270x17x0.91
• Work area: 200x170 mm2
• Thickness: 11.6 mm
• Available reflections (004), (111), (311), (511), …
Detector
• DENEX 2D, 3He-filled,
• Total area 300x300 mm2
• Detector coverage: 15°x15° (@ LSD ~ 1000 mm)
• Angular range: 40°< 2θB < 120°
Sample table
• Unique telescopic design
• Maximum sample weight ≤ 1 tonne
• ±250 mm travel for X and Y
• 600 mm travel for Z
Sample table
- Unique telescopic design
- Maximum sample weight ≤ 1 tonne
- ±250 mm travel for X and Y
- 600 mm travel for Z
Instrument performance
- flux at sample position 7x106 n cm2s-1 (depends on monochromator reflection and focusing)
- Instrument is optimized for d-spacings ~ 1.1-1.3 Å to ne at ~90°
- These are the most important reflections in engineering applications αFe(211), γFe(311), Al(311)
- For this range resolution is Δd/d ~2 x 10-3
- Practical examples for time evaluation:
-
- Fe(211), gauge volume 0.5x0.5x0.5: t = 10 min to get 50 μstrain accuracy
- Fe(211), gauge volume 1x1x1: t = 1 min to get 50 μstrain accuracy
Sample environment available
(1) Horizontal 100kN Instron load frame with different environments
Mirror lamp furnace (up to 1000°C)
Environmental chamber (up to 200°C)
Cold grips (down to -30°C)
(2) Big and small Eulerian cradles (goniometers)
(3) Cybaman manipulator
(4) Matis laser scanning system
Additional general use ancillaries
|
Ancillary |
Performance |
Quantity |
| Cryofurnace-pooled for general use | 6 K - 800 K | 3 |
| Cryostat | 1.8 K - 300 K | 1 |
| 500C Vacuum Furnace (in house design) | 20C to 500C | 1 |
| Electric Field Device EF-1 (power supply system) | 10kV AC/DC | 1 |
| Vacuum Furnace F-1 (ILL type, niobium) | 20C - 1600C | 1 |