仕様及び性能
2024年のAGNES改良論文に基づく値です。
Monochromator
PG 002
λ = 4.22 Å ( 2θM = 78 ° )
λ = 5.50 Å ( 2θM = 110 ° )
λ = 4.22 Å ( 2θM = 78 ° )
λ = 5.50 Å ( 2θM = 110 ° )
Chopper
Fermi chopper (Al/Gd-composite slit)
(Rotation speed: 6400 rpm, Standard Mode; 8770 rpm, High Resolution Mode)
(Rotation speed: 6400 rpm, Standard Mode; 8770 rpm, High Resolution Mode)
Detector
328 3He tube detectors (10 atm)
Scattering-angle coverage: 2θ = 10-130 °
Scattering-angle coverage: 2θ = 10-130 °
Beam size
4 cm (vertical)×2 cm (horizontal)
Q-range
0.20 ∼ 2.7 Å-1 ( λ = 4.22 Å )
0.15 ∼ 2.1 Å-1 ( λ = 5.50 Å )
0.15 ∼ 2.1 Å-1 ( λ = 5.50 Å )
Energy range
-4 to 20 meV ( λ = 4.22 Å, Standard Mode)
-2 to 6 meV ( λ = 5.50 Å, High Resolution Mode)
-2 to 6 meV ( λ = 5.50 Å, High Resolution Mode)
Energy resolution
120 μeV ( λ = 4.22 Å, Standard Mode)
50 μeV ( λ = 5.50 Å, High Resolution Mode)
50 μeV ( λ = 5.50 Å, High Resolution Mode)
Measured neutron-intensity gain
7.7 times (Standard Mode)
3.2 times (High Resolution Mode)
Compared with the instrument before the supermirror upgrade.
3.2 times (High Resolution Mode)
Compared with the instrument before the supermirror upgrade.
Sample environment
Overall temperature range: 0.7-800 K
Top-loading cryo-furnace: 2.5-800 K
Pressure: < 200 MPa (gas), < 500 MPa (liquid)
Top-loading cryo-furnace: 2.5-800 K
Pressure: < 200 MPa (gas), < 500 MPa (liquid)