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001049042 037__ $$aFZJ-2025-05137
001049042 1001_ $$0P:(DE-HGF)0$$aHeinze, L.$$b0$$eCorresponding author
001049042 1112_ $$aInternational Conference on Neutron Scattering$$cCopenhagen$$d2025-07-06 - 2025-07-10$$gICNS$$wDenmark
001049042 245__ $$aPolarized Neutron Diffractometer POLI at MLZ: Upgrades and Perspectives
001049042 260__ $$c2025
001049042 3367_ $$033$$2EndNote$$aConference Paper
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001049042 520__ $$aPOLI is a hot neutron two-axis diffractometer at the Heinz Maier-Leibnitz Zentrum (MLZ), Germany, which uses spin-polarized neutrons for magnetic studies in particular. The instrument is used, for instance, to study complex crystal and magnetic structures, to reconstruct magnetization densities in the unit cell, and to explore phase diagrams of materials via multiparameter studies. To this end, three standard measurement setups are available on POLI reaching from unpolarized neutron diffraction under extreme sample conditions, over half-polarized diffraction to zero-field spherical neutron polarimetry (SNP). Here, we will present recent developments of the instrument. In 2024, the new in-situ 3He Spin-Exchange Optical Pumping (SEOP) polarizers for POLI were finalized. With the return of neutrons at FRM II, they will provide a high level of constant neutron spin polarization during the polarized neutron diffraction experiments. To fully replace the previous Metastability Exchange Optical Pumping (MEOP) 3He polarizers, a set of two new nutators for the SNP setup are currently in the works, of which we will present the finalized layout as well as first characterization of a prototype nutator.
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001049042 536__ $$0G:(DE-HGF)POF4-632$$a632 - Materials – Quantum, Complex and Functional Materials (POF4-632)$$cPOF4-632$$fPOF IV$$x1
001049042 65027 $$0V:(DE-MLZ)SciArea-120$$2V:(DE-HGF)$$aCondensed Matter Physics$$x0
001049042 65027 $$0V:(DE-MLZ)SciArea-170$$2V:(DE-HGF)$$aMagnetism$$x1
001049042 65017 $$0V:(DE-MLZ)GC-1604-2016$$2V:(DE-HGF)$$aMagnetic Materials$$x0
001049042 65017 $$0V:(DE-MLZ)GC-2002-2016$$2V:(DE-HGF)$$aInstrument and Method Development$$x1
001049042 693__ $$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$$x0
001049042 7001_ $$0P:(DE-HGF)0$$aXu, J.$$b1
001049042 7001_ $$0P:(DE-Juel1)202033$$aNyc, Adrian$$b2
001049042 7001_ $$0P:(DE-Juel1)130516$$aBabcock, Earl$$b3
001049042 7001_ $$0P:(DE-Juel1)144963$$aSalhi, Zahir$$b4
001049042 7001_ $$0P:(DE-Juel1)133754$$aSoltner, Helmut$$b5
001049042 7001_ $$0P:(DE-Juel1)192134$$aPütz, Joachim$$b6
001049042 7001_ $$0P:(DE-Juel1)133717$$aOrtmanns, Torsten$$b7
001049042 7001_ $$0P:(DE-Juel1)180194$$aSchäfer, Roman$$b8
001049042 7001_ $$0P:(DE-Juel1)133673$$aHanslik, Romuald$$b9
001049042 7001_ $$0P:(DE-Juel1)130984$$aStaringer, Simon$$b10
001049042 7001_ $$0P:(DE-HGF)0$$aThoma, H.$$b11
001049042 7001_ $$0P:(DE-Juel1)166109$$aBrandl, Georg$$b12
001049042 7001_ $$0P:(DE-HGF)0$$aLuberstetter, W.$$b13
001049042 7001_ $$0P:(DE-HGF)0$$aHutanu, V.$$b14
001049042 7001_ $$0P:(DE-Juel1)130821$$aMattauch, Stefan$$b15
001049042 7001_ $$0P:(DE-Juel1)203245$$aZobel, Mirijam$$b16
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001049042 9141_ $$y2025
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