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000824610 037__ $$aFZJ-2016-07173
000824610 1001_ $$0P:(DE-Juel1)151336$$aJin, Wentao$$b0$$eCorresponding author$$ufzj
000824610 1112_ $$a11. International Conference on Polarised Neutrons for Condensed Matter Investigations$$cFreising$$d2016-07-04 - 2016-07-07$$gPNCMI 2016$$wGermany
000824610 245__ $$aMagnetic polarization of Ir in underdoped nonsuperconducting Eu(Fe0.94Ir0.06)2As2
000824610 260__ $$c2016
000824610 3367_ $$033$$2EndNote$$aConference Paper
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000824610 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1483630087_4016$$xAfter Call
000824610 520__ $$aAbstract: Using polarized neutron diffraction and x-ray resonant magnetic scattering (XRMS) techniques, multiple phase transitions were revealed in an underdoped, nonsuperconducting Eu(Fe1−x Irx)2As2 (x = 0.06) single crystal. Compared with the parent compound EuFe2As2, the tetragonal-to-orthorhombic structural phase transition and the antiferromagnetic order of the Fe2+ moments are significantly suppressed to TS = 111(2) K and TN, Fe = 85(2) K by 6% Ir doping, respectively. In addition, the Eu2+ spins order within the ab plane in the A-type antiferromagnetic structure similar to the parent compound. However, the order temperature is evidently suppressed to TN, Eu = 16.0(5) K by Ir doping. Most strikingly, the XRMS measurements at the Ir L3 edge demonstrates that the Ir 5d states are also magnetically polarized, with the same propagation vector as the magnetic order of Fe. With TN, Ir = 12.0(5) K, they feature a much lower onset temperature compared with TN, Fe. Our observation suggests that the magnetism of the Eu sublattice has a considerable effect on the magnetic nature of the 5d Ir dopant atoms and there exists a possible interplay between the localized Eu2+ moments and the conduction d electrons on the FeAs layers.
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000824610 65027 $$0V:(DE-MLZ)SciArea-120$$2V:(DE-HGF)$$aCondensed Matter Physics$$x0
000824610 65027 $$0V:(DE-MLZ)SciArea-170$$2V:(DE-HGF)$$aMagnetism$$x1
000824610 65017 $$0V:(DE-MLZ)GC-2004-2016$$2V:(DE-HGF)$$aBasic research$$x0
000824610 693__ $$0EXP:(DE-MLZ)DNS-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)DNS-20140101$$6EXP:(DE-MLZ)NL6S-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz $$eDNS: Diffuse scattering neutron time of flight spectrometer$$fNL6S$$x0
000824610 7001_ $$0P:(DE-Juel1)131047$$aXiao, Yinguo$$b1$$eCorresponding author$$ufzj
000824610 7001_ $$0P:(DE-Juel1)130991$$aSu, Yixi$$b2$$ufzj
000824610 7001_ $$0P:(DE-Juel1)140435$$aNandi, Shibabrata$$b3
000824610 7001_ $$0P:(DE-HGF)0$$aJiao, W. H.$$b4
000824610 7001_ $$0P:(DE-HGF)0$$aNisbet, G.$$b5
000824610 7001_ $$0P:(DE-Juel1)157770$$aDemirdis, Sultan$$b6$$ufzj
000824610 7001_ $$0P:(DE-HGF)0$$aCao, G. H.$$b7
000824610 7001_ $$0P:(DE-Juel1)130572$$aBrückel, Thomas$$b8$$ufzj
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000824610 9131_ $$0G:(DE-HGF)POF3-621$$1G:(DE-HGF)POF3-620$$2G:(DE-HGF)POF3-600$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF3-6212$$aDE-HGF$$bForschungsbereich Materie$$lVon Materie zu Materialien und Leben$$vIn-house research on the structure, dynamics and function of matter$$x1
000824610 9131_ $$0G:(DE-HGF)POF3-6G15$$1G:(DE-HGF)POF3-6G0$$2G:(DE-HGF)POF3-600$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$9G:(DE-HGF)POF3-6G15$$aDE-HGF$$bForschungsbereich Materie$$lGroßgeräte: Materie$$vFRM II / MLZ$$x2
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000824610 9141_ $$y2016
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