000188004 001__ 188004 000188004 005__ 20250129094341.0 000188004 0247_ $$2doi$$a10.1103/PhysRevB.91.064506 000188004 0247_ $$2ISSN$$a0163-1829 000188004 0247_ $$2ISSN$$a0556-2805 000188004 0247_ $$2ISSN$$a1095-3795 000188004 0247_ $$2ISSN$$a1098-0121 000188004 0247_ $$2ISSN$$a1550-235X 000188004 0247_ $$2Handle$$a2128/8409 000188004 0247_ $$2WOS$$aWOS:000352302300006 000188004 037__ $$aFZJ-2015-01493 000188004 082__ $$a530 000188004 1001_ $$0P:(DE-HGF)0$$aJin, W. T.$$b0$$eCorresponding Author 000188004 245__ $$aMagnetic ground state of superconducting $\mathrm{Eu}\left(\mathrm{Fe}{}_{0.88}\mathrm{Ir}{}_{0.12}\right){}_{2}\mathrm{As}{}_{2}$: A combined neutron diffraction and first-principles calculation study 000188004 260__ $$aCollege Park, Md.$$bAPS$$c2015 000188004 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1424412866_9261 000188004 3367_ $$2DataCite$$aOutput Types/Journal article 000188004 3367_ $$00$$2EndNote$$aJournal Article 000188004 3367_ $$2BibTeX$$aARTICLE 000188004 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000188004 3367_ $$2DRIVER$$aarticle 000188004 520__ $$aThe magnetic order of the localized Eu2+ spins in optimally doped Eu(Fe1−xIrx)2As2 (x=0.12) with superconducting transition temperature TSC=22 K was investigated by single-crystal neutron diffraction. The Eu2+ moments were found to be ferromagnetically aligned along the c direction with an ordered moment of 7.0(1) μB well below the magnetic phase transition temperature TC=17 K. No evidence of the tetragonal-to-orthorhombic structural phase transition was found in this compound within the experimental uncertainty, in which the spin-density-wave (SDW) order of the Fe sublattice is supposed to be completely suppressed and the superconductivity gets fully developed. The ferromagnetic ground state of the Eu2+ spins in Eu(Fe0.88Ir0.12)2As2 was supported by the first-principles density functional calculation. In addition, comparison of the electronic structure calculations between Eu(Fe0.875Ir0.125)2As2 and the parent compound EuFe2As2 indicates stronger hybridization and more expanded bandwidth due to the Ir substitution, which together with the introduction of electrons might work against the Fe-SDW in favor of the superconductivity. 000188004 536__ $$0G:(DE-HGF)POF3-144$$a144 - Controlling Collective States (POF3-144)$$cPOF3-144$$fPOF III$$x0 000188004 536__ $$0G:(DE-HGF)POF3-524$$a524 - Controlling Collective States (POF3-524)$$cPOF3-524$$fPOF III$$x1 000188004 536__ $$0G:(DE-HGF)POF3-6212$$a6212 - Quantum Condensed Matter: Magnetism, Superconductivity (POF3-621)$$cPOF3-621$$fPOF III$$x2 000188004 536__ $$0G:(DE-HGF)POF3-6G15$$a6G15 - FRM II / MLZ (POF3-6G15)$$cPOF3-6G15$$fPOF III$$x3 000188004 536__ $$0G:(DE-HGF)POF3-6G4$$a6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623)$$cPOF3-623$$fPOF III$$x4 000188004 542__ $$2Crossref$$i2015-02-17$$uhttp://link.aps.org/licenses/aps-default-license 000188004 588__ $$aDataset connected to CrossRef, juser.fz-juelich.de 000188004 65027 $$0V:(DE-MLZ)SciArea-170$$2V:(DE-HGF)$$aMagnetism$$x1 000188004 65027 $$0V:(DE-MLZ)SciArea-120$$2V:(DE-HGF)$$aCondensed Matter Physics$$x0 000188004 65017 $$0V:(DE-MLZ)GC-1604-2016$$2V:(DE-HGF)$$aMagnetic Materials$$x2 000188004 65017 $$0V:(DE-MLZ)GC-150-1$$2V:(DE-HGF)$$aKey Technologies$$x1 000188004 65017 $$0V:(DE-MLZ)GC-160$$2V:(DE-HGF)$$aFundamental Science$$x0 000188004 693__ $$0EXP:(DE-MLZ)HEIDI-20140101$$1EXP:(DE-MLZ)FRMII-20140101$$5EXP:(DE-MLZ)HEIDI-20140101$$6EXP:(DE-MLZ)SR9b-20140101$$aForschungs-Neutronenquelle Heinz Maier-Leibnitz$$eHeiDi: Single crystal diffractometer on hot source$$fSR9b$$x0 000188004 7001_ $$0P:(DE-HGF)0$$aLi, Wei$$b1 000188004 7001_ $$0P:(DE-Juel1)130991$$aSu, Y.$$b2$$ufzj 000188004 7001_ $$0P:(DE-Juel1)140435$$aNandi, S.$$b3$$ufzj 000188004 7001_ $$0P:(DE-Juel1)131047$$aXiao, Y.$$b4$$ufzj 000188004 7001_ $$0P:(DE-HGF)0$$aJiao, W. 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