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000897117 005__ 20220131120342.0
000897117 037__ $$aFZJ-2021-03615
000897117 1001_ $$0P:(DE-Juel1)164298$$aHutanu, Vladimir$$b0$$eCorresponding author$$ufzj
000897117 1112_ $$aMLZ User Meeting & German Neutron Scattering Conference 2020$$conline event$$d2020-12-08 - 2020-12-10$$wGermany
000897117 245__ $$aNew polarized neutron diffraction setup with 8 T magnet on POLI
000897117 260__ $$c2020
000897117 3367_ $$033$$2EndNote$$aConference Paper
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000897117 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1633352365_3792$$xAfter Call
000897117 520__ $$aThe polarized single-crystal diffractometer POLI offers two types of polarized neutron diffraction experiments:spherical neutron polarimetry (SNP), also known as full three-dimensional polarization analysis in zero mag-netic field, and classical polarized neutron diffraction, also called flipping-ratio (FR) method, in high appliedmagnetic fields. Recently, the available sample environment of POLI has been extended by an asymmetric fieldmagnet of 8 T. Although this new magnet is actively shielded, its stray fields are still too large to be used withthe sensitive 3He polarizer of the original SNP setup. To overcome this issue, a new, large-beam-cross-sectionsolid-state supermirror (SM) bender polarizer has been developed for POLI. An existing shielded Mezei-typeflipper is used between the magnet and SM polarizer. A dedicated guide field construction was numericallysimulated, optimized and built to link the magnetic field of the polarizer to the flipper and to the stray field ofthe magnet. An almost loss-free spin transport within the instrument in the complete field range of the newmagnet was achieved. The new setup was successfully implemented and tested. A high polarization efficiencyof above 99% for short wavelength neutrons could be experimentally reached with the new solid-state bender.The new high–field FR setup is now available for POLI’s user community.
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000897117 536__ $$0G:(DE-HGF)POF4-632$$a632 - Materials – Quantum, Complex and Functional Materials (POF4-632)$$cPOF4-632$$fPOF IV$$x1
000897117 65027 $$0V:(DE-MLZ)SciArea-170$$2V:(DE-HGF)$$aMagnetism$$x0
000897117 65017 $$0V:(DE-MLZ)GC-1604-2016$$2V:(DE-HGF)$$aMagnetic Materials$$x0
000897117 65017 $$0V:(DE-MLZ)GC-2002-2016$$2V:(DE-HGF)$$aInstrument and Method Development$$x1
000897117 693__ $$0EXP:(DE-MLZ)POLI-HEIDI-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)POLI-HEIDI-20140101$$6EXP:(DE-MLZ)SR9a-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz $$ePOLI: Polarized hot neutron diffractometer$$fSR9a$$x0
000897117 7001_ $$0P:(DE-Juel1)176326$$aThoma, Henrik$$b1$$eCorresponding author$$ufzj
000897117 7001_ $$0P:(DE-Juel1)130504$$aAngst, Manuel$$b2$$ufzj
000897117 7001_ $$0P:(DE-HGF)0$$aRoth, Georg$$b3
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000897117 9131_ $$0G:(DE-HGF)POF4-632$$1G:(DE-HGF)POF4-630$$2G:(DE-HGF)POF4-600$$3G:(DE-HGF)POF4$$4G:(DE-HGF)POF$$aDE-HGF$$bForschungsbereich Materie$$lFrom Matter to Materials and Life$$vMaterials – Quantum, Complex and Functional Materials$$x1
000897117 9141_ $$y2021
000897117 920__ $$lyes
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