Interplay between Fe and Nd magnetism in NdFeAsO single crystals

Abstract

The structural and magnetic phase transitions have been studied on NdFeAsO single crystals by neutron and x-ray diffraction complemented by resistivity and specific heat measurements. Two low-temperature phase transitions have been observed in addition to the tetragonal-to-orthorhombic transition at T_S = 142 K and the onset of antiferromagnetic (AFM) Fe order below T_N = 137 K. The Fe moments order AFM in the well-known stripe-like structure in the (ab) plane, but change from AFM to ferromagnetic (FM) arrangement along the c direction below T* = 15 K accompanied by the onset of Nd AFM order below T_Nd = 6 K with this same AFM configuration. The iron magnetic order-order transition in NdFeAsO accentuates the Nd-Fe interaction and the delicate balance of c-axis exchange couplings that results in AFM in LaFeAsO and FM in CeFeAsO and PrFeAsO.

revised; 4 pages, 3 figures; accepted for publication in Phys. Rev. B

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Cited by in corpus (29)

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• Structural trends from a consistent set of single-crystal data of REFeAsO (RE = La, Ce, Pr, Nd, Sm, Gd, and Tb)
• Strong coupling of Sm and Fe magnetism in SmFeAsO as revealed by magnetic x-ray scattering
• A Magnetic Transition Probed by the Ce Ion in Square-Lattice Antiferromagnet CeMnAsO
• Signature of multigap nodeless superconductivity in fluorine-doped NdFeAsO
• Anisotropic electrical resistivity of LaFeAsO: evidence for electronic nematicity
• Microscopic Coexistence of Magnetism and Superconductivity in charge compensated Ba1-xKx(Fe1-yCoy)2As2
• Evolution of the multiband RKKY interaction: Application to iron pnictides and chalcogenides
• Magnetic structures and the Ce-Fe coupling induced Fe spin reorientation in CeFeAsO single crystal
• Impact of the various spin and orbital ordering processes on multiferroic properties of orthovanadate DyVO3
• {Rearrangement of the antiferromagnetic ordering at high magnetic fields in SmFeAsO and SmFeAsO${}_{0.9}$F${}_{0.1}$ single crystals
• Temperature dependent local structure of NdFeAsO1-xFx system using arsenic K-edge extended x-ray absorption fine structure
• Effect of Ni-doping on magnetism and superconductivity in Eu0.5K0.5Fe2As2
• Lattice distortion and stripe-like antiferromagnetic order in Ca10(Pt3As8)(Fe2As2)5
• Orbital-Selective Superconductivity and the Effect of Lattice Distortion in Iron-Based Superconductors
• Spatial Inhomogeneity in RFeAsO1-xFx (R =Pr, Nd) Determined from Rare Earth Crystal Field Excitations
• Coexistence of ferromagnetism, antiferromagnetism, and superconductivity in magnetically anisotropic (Eu,La)FeAs2
• Fe-spin reorientation in PrFeAsO : Evidences from resistivity and specific heat studies
• Inelastic neutron scattering study of crystal field excitations of Nd3+ in NdFeAsO
• High Field (14Tesla) Magneto Transport of Sm/PrFeAsO
• Direct evidence for the magnetic ordering of Nd ions in NdFeAsO by high resolution inelastic neutron scattering
• Crystal field excitations and magnons: their roles in oxyselenides Pr2O2M2OSe2 (M = Mn, Fe)
• Spin reorientation of the Fe moments in Eu${}_{0.5}$Ca${}_{0.5}$Fe${}_2$As${}_2$: Evidence for a strong interplay of Eu and Fe magnetism
• Effect of antifluorite layer on the magnetic order in Eu-based 1111 compounds, EuTAsF (T = Zn, Mn, and Fe)
• Temperature dependent As K-edge EXAFS studies of LaFe1-xCoxAsO (x = 0.0 and 0.11) single crystals
• Spin-glass-like behaviour in SmFeAsO0.8F0.2