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The Spin Polarised Hot Neutron Beam Facility D3

D3 is a modular polarised neutron instrument viewing to the hot source which is used for the study of magnetisation densities and magnetic structures

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www > Instruments & Support > Instruments & groups > D3 > Characteristics > Beam Polarisation > 0.843 Å - Erbium filter

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Beam Polarisation

Beam Polarisation with Heusler at 0.843Å/114meV

Erbium filter - code: Er (ID #1) - 0.5mm thick - efficiency: 96% - transmission: 80%

... with the 10 Tesla cryomagnet

Applied Field	(+) Polar. / H4A	(-) Polar. / H4A	(+) Polar. / H4B	(-) Polar. / H4B
10 Tesla	+0.962 ± 0.005	-0.962 ± 0.005	-?-	-?-
8 Tesla	-?-	-?-	+0.976 ± 0.005	-0.976 ± 0.005
6 Tesla	+0.949 ± 0.005	-0.949 ± 0.005	+0.973 ± 0.005	-0.973 ± 0.005
2 Tesla	+0.949 ± 0.005	-0.949 ± 0.005	+0.973 ± 0.005	-0.973 ± 0.005
1 Tesla	+0.947 ± 0.005	-0.947 ± 0.005	+0.968 ± 0.005	-0.968 ± 0.005

... with the 2.5 Tesla cryomagnet

Applied Field	(+) Polar. / H4A	(-) Polar. / H4A	(+) Polar. / H4B	(-) Polar. / H4B
2.5 Tesla	-?-	-?-	-?-	-?-
2.0 Tesla	-?-	-?-	-?-	-?-
1.5 Tesla	-?-	-?-	-?-	-?-
1.0 Tesla	-?-	-?-	-?-	-?-
0.5 Tesla	-?-	-?-	-?-	-?-

... with the electromagnet

Applied Field	(+) Polar. / H4A	(-) Polar. / H4A	(+) Polar. / H4B	(-) Polar. / H4B
0.6 Tesla	-?-	-?-	-?-	-?-
0.3 Tesla	-?-	-?-	-?-	-?-
0.1 Tesla	-?-	-?-	-?-	-?-
0.05 Tesla	-?-	-?-	-?-	-?-
0.01 Tesla	-?-	-?-	-?-	-?-

... with Cryopad

(+) Polar. / H4A	(-) Polar. / H4A	(+) Polar. / H4B	(-) Polar. / H4B
+0.946 ± 0.005	-0.946 ± 0.005	+0.966 ± 0.005	-0.966 ± 0.005

... with PNPI fission chamber (18x30 mm² beam)

(+) Polar. / H4A	(-) Polar. / H4A	(+) Polar. / H4B	(-) Polar. / H4B
+0.906 ± 0.003	-0.906 ± 0.003	+0.962 ± 0.003	-0.962 ± 0.003