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000897115 037__ $$aFZJ-2021-03613
000897115 1001_ $$0P:(DE-Juel1)176326$$aThoma, Henrik$$b0$$eCorresponding author$$ufzj
000897115 1112_ $$a4th internal biennial science meeting of the MLZ$$cGrainau$$d2019-06-24 - 2019-06-27$$wGermany
000897115 245__ $$aReconstruction of Magentization Density Distributions in Antiferromagnets with the new Polarized Neutron Diffraction Setup on POLI
000897115 260__ $$c2019
000897115 3367_ $$033$$2EndNote$$aConference Paper
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000897115 520__ $$aA dedicated polarized neutron diffraction (PND) setup, using a symmetric-field high Tc superconducting magnet with a maximal field of 2.2 T in combination with a ³He polarizer and Mezei-type flipper, has been developed at the instrument POLI. Each component is optimized by numerical simulations and the complete setup is successfully tested and calibrated.This new PND setup was used to collected flipping-ratio (FR) data as function of the applied magnetic field and temperature for different antiferromagnetic compounds. A new advanced approach for the reconstruction of maximum entropy spin density maps from FR measurements is presented. Using this approach, 3D spin density maps can be built for the first time not only for the paramagnetic, but also for the antiferromagnetic phase. These 3D maps reveal new features compared to the results from conventional maximum entropy software and might be used to directly visualize magnetic multipoles.
000897115 536__ $$0G:(DE-HGF)POF4-6G4$$a6G4 - Jülich Centre for Neutron Research (JCNS) (FZJ) (POF4-6G4)$$cPOF4-6G4$$fPOF IV$$x0
000897115 536__ $$0G:(DE-HGF)POF4-632$$a632 - Materials – Quantum, Complex and Functional Materials (POF4-632)$$cPOF4-632$$fPOF IV$$x1
000897115 65027 $$0V:(DE-MLZ)SciArea-170$$2V:(DE-HGF)$$aMagnetism$$x0
000897115 65017 $$0V:(DE-MLZ)GC-1604-2016$$2V:(DE-HGF)$$aMagnetic Materials$$x0
000897115 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
000897115 7001_ $$0P:(DE-Juel1)164298$$aHutanu, Vladimir$$b1$$ufzj
000897115 7001_ $$0P:(DE-Juel1)130504$$aAngst, Manuel$$b2$$ufzj
000897115 7001_ $$0P:(DE-HGF)0$$aRoth, Georg$$b3
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000897115 9141_ $$y2021
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