Influence of the rare-earth element on the effects of the structural and magnetic phase transitions in CeFeAsO, PrFeAsO, and NdFeAsO

Abstract

We present results of transport and magnetic properties and heat capacity measurements on polycrystalline CeFeAsO, PrFeAsO, and NdFeAsO. These materials undergo structural phase transitions, spin density wave-like magnetic ordering of small moments on iron, and antiferromagnetic ordering of rare earth moments. The temperature dependence of the electrical resistivity, Seebeck coefficient, thermal conductivity, Hall coefficient, and magnetoresistance are reported. The magnetic behavior of the materials have been investigated using Mossbauer spectroscopy and magnetization measurements. Transport and magnetic properties are affected strongly by the structural and magnetic transitions, suggesting significant changes in the band structure and/or carrier mobilities occur, and phonon-phonon scattering is reduced upon transformation to the low temperature structure. Results are compared to recent reports for LaFeAsO, and systematic variations in properties as the identity of Ln is changed are observed and discussed. As Ln progresses across the rare-earth series from La to Nd, an increase in the hole contributions to Seebeck coefficient, and increases in magnetoresistance and the Hall coefficient are observed in the low temperature phase. Analysis of hyperfine fields at the iron nuclei determined from Mossbauer spectra indicates that the moment on Fe in the orthorhombic phase is nearly independent of the identity of Ln, in apparent contrast to reports of powder neutron diffraction refinements.

arXiv commentPublished in New Journal of Physics focus issue on Iron-Based Superconductrors; minor corrections to text

References in corpus (33)

• Magnetic Order versus superconductivity in the Iron-based layered La(O1-xFx)FeAs systems
• LaFeAsO${}_{1-x}$F${}_x$: A low carrier density superconductor near itinerant magnetism
• Superconductivity at 41 K and its competition with spin-density-wave instability in layered CeO${}_{1-x}$F${}_x$FeAs
• Structural and magnetic phase diagram of CeFeAsO1-xFx and its relationship to high-temperature superconductivity
• Superconductivity and Phase Diagram in the Iron-based Arsenic-oxides ReFeAsO1-delta (Re = rare earth metal) without F-Doping
• Strong Correlations and Magnetic Frustration in the High Tc Iron Pnictides
• Theory of Electron Nematic Order in LaOFeAs
• Superconductivity in iron-based F-doped layered quaternary compound Nd[O1-xFx]FeAs
• Thorium-doping induced superconductivity up to 56 K in Gd1-xThxFeAsO
• Origin of the ~150 K Anomaly in LaOFeAs; Competing Antiferromagnetic Superexchange Interactions, Frustration, and Structural Phase Transition
• Superconductivity at 52 K in iron-based F-doped layered quaternary compound Pr[O1-xFx]FeAs
• The challenge of unravelling magnetic properties in LaFeAsO
• Superconductivity in Co-doped LaFeAsO
• Phase transitions in LaFeAsO: structural, magnetic, elastic, and transport properties, heat capacity and Mossbauer spectra
• Electron Correlations in the Low Carrier Density LaFeAsO0.89F0.11 Superconductor (Tc = 28 K)
• Superconductivity at 36 K in Gadolinium-arsenide Oxides GdO${}_{1-x}$F${}_x$FeAs
• Structure and Magnetic Order in the NdFeAs(O,F) Superconductor System
• Lattice and Magnetic structures of PrFeAsO, PrFeAsO0.85F0.15 and PrFeAsO0.85
• Theory of the Magnetic Moment in Iron Pnictides
• Magnetic Order of the Iron Spins in NdOFeAs
• Intrinsic Properties of Stoichiometric LaOFeP
• Evidence for Strong Itinerant Spin Fluctuations in the Normal State of CeFeAsO(0.89)F(0.11) Iron-Oxypnictides
• Theory of the thermoelectricity of intermetallic compounds with Ce or Yb ions
• High pressure synthesis of late rare earth RFeAs(O,F) superconductors; R = Tb and Dy
• CeFePO: A Heavy Fermion Metal with Ferromagnetic Correlations
• Magnetic Ordering and Negative Thermal Expansion in PrFeAsO
• Spin Ordering in LaOFeAs and Its Suppression in Superconductor LaO0.89F0.11FeAs Probed by Mössbauer Spectroscopy
• Muon spin relaxation studies of magnetic order and superfluid density in antiferromagnetic NdOFeAs, BaFe2As2 and superconducting (Ba,K)Fe2As2
• The effect of internal pressure on the tetragonal to monoclinic structural phase transition in ReOFeAs: the case of NdOFeAs
• The Delicate Electronic and Magnetic Structure of the LaOFePn System (Pn = pnictogen)
• Ferromagnetic spin fluctuation in LaFeAsO1-xFx
• Structural and electronic response upon hole-doping of rare-earth iron oxyarsenides Nd1-xSrxFeAsO (0 < x < 0.2)
• Mossbauer Spectroscopy Determination of iron foreign phases in the Superconducting Systems; RAsFeO1-x, RAsFeO1-xFx and Sr1-xKxFe2As2

Cited by in corpus (62)

• Magnetism in Fe-based superconductors
• Revealing the dual nature of magnetism in iron pnictides and iron chalcogenides using x-ray emission spectroscopy
• Interplay of Rare Earth and Iron magnetism in RFeAsO with R = La, Ce, Pr, and Sm: A muon spin relaxation study and symmetry analysis
• Superconductivity in LaFeAs${}_{1-x}$P${}_x$O: effect of chemical pressures and bond covalency
• Electronic and Magnetic Phase Diagram of a Superconductor, SmFeAsO1-xFx
• Spin excitations in the excitonic spin-density-wave state of the iron pnictides
• Phase diagram of the PrFeAsO${}_{1-x}$F${}_x$ superconductor
• Seebeck effect in Fe1+xTe1-ySey single crystals
• Microscopically derived Ginzburg-Landau theory for magnetic order in the iron pnictides
• Nd induced Mn spin-reorientation transition in NdMnAsO
• Rare earth magnetism in CeFeAsO: A single crystal study
• Structural and magnetic transition in CeFeAsO: separated or connected?
• Muon spin rotation study of magnetism and superconductivity in BaFe2-xCoxAs2 and Pr1-xSrxFeAsO
• Magnetic Phase Transitions in NdCoAsO
• Excitonic spin density wave state in iron pnictides
• Heat capacity measurements on FeAs-based compounds: a thermodynamic probe of electronic and magnetic states
• Negative thermal expansion and antiferromagnetism in the actinide oxypnictide NpFeAsO
• Suppression of spin density wave by isoelectronic substitution in PrFe(1-x)Ru(x)AsO
• Thermoelectric properties of iron-based superconductors and parent compounds
• Effect of external pressure on the magnetic properties of LnFeAsO (Ln = La, Ce, Pr, Sm)
• Evidence of Magnetically Driven Structural Phase Transition in Parent Compounds RFeAsO (R = La, Sm, Gd, Tb): study of low-temperature X-ray diffraction
• Magnetic order in orbital models of the iron pnictides
• Quantm Magnetoresistance of the PrFeAsO oxypnictides
• Long- to short-range magnetic order in fluorine-doped CeFeAsO
• Effect of the chemical pressure on superconductivity and SDW in undoped and 15%F doped La1-yYyFeAsO compounds
• Search for pressure induced superconductivity in CeFeAsO and CeFePO iron pnictides
• Electronic Structure of CeFeAsO1-xFx (x=0, 0.11/x=0.12) compounds
• Microscopic Coexistence of Magnetism and Superconductivity in charge compensated Ba1-xKx(Fe1-yCoy)2As2
• Magnetic structures and the Ce-Fe coupling induced Fe spin reorientation in CeFeAsO single crystal
• CeNiAsO: an antiferromagnetic dense Kondo lattice
• Static magnetic order of Sr${}_4$A${}_2$O${}_6$Fe${}_2$As${}_2$ (A = Sc and V) revealed by local probes
• Role of Dirac cones in magnetotransport properties of REFeAsO (RE=rare earth) oxypnictides
• Experimental Evidences for Static Charge Density Waves in Iron Oxy-pnictides
• The magnetization of PrFeAsO${}_{0.60}$F$_{0.12} sueprconductor
• Electronic phase diagram of NdFe1-xRhxAsO
• Structural and physical properties of layered oxy-arsenides LnRuAsO (Ln = La, Nd, Sm, Gd)
• Magneto Seebeck effect in REFeAsO (RE=rare earth) compounds: probing the magnon drag scenario
• Magneto-structural coupling and harmonic lattice dynamics in CaFe${}_2$As${}_2$ probed by Mössbauer spectroscopy
• Crossover of the dimensionality of 3d spin fluctuations in LaCoPO
• Disentangling superconducting and magnetic orders in NaFe_1-xNi_xAs using muon spin rotation
• Spatial Inhomogeneity in RFeAsO1-xFx (R =Pr, Nd) Determined from Rare Earth Crystal Field Excitations
• Pr magnetism and its interplay with the Fe spin density wave in PrFeAsO
• The influence of spin fluctuations on the thermal conductivity in superconducting Ba(Fe_{1-x}Co_x)_2As_2
• Fe-spin reorientation in PrFeAsO : Evidences from resistivity and specific heat studies
• Local Structure and Hyperfine Interactions of 57Fe in NaFeAs Studied by Mossbauer Spectroscopy
• Doping dependence of antiferromagnetism in models of the pnictides
• Slow magnetic fluctuations and superconductivity in fluorine-doped NdFeAsO
• Iron spin-reorientation transition in NdFeAsO
• Revisiting the phase diagram of LaFe${}_{1-x}$Co${}_x$AsO on single crystals by thermodynamic methods
• A direct probe of the variability of Coulomb correlation in Fe-pnictide superconductors
• Evidence for polarons in iron pnictides of the Ln-1111 and AE-122 families
• Mössbauer spectroscopy study of magnetic fluctuations in superconducting RbGd${}_2$Fe${}_4$As${}_4$O${}_2$
• Crystal field excitations and magnons: their roles in oxyselenides Pr2O2M2OSe2 (M = Mn, Fe)
• Magnetism of PrFeAsO parent compound for iron-based superconductors: Mössbauer spectroscopy study
• Paramagnetic Phase of a Heavy-Fermion Compound, CeFePO, Probed by 57Fe Mössbauer Spectroscopy
• Iron substitution in NdCoAsO: crystal structure and magnetic phase diagram
• Effect of antifluorite layer on the magnetic order in Eu-based 1111 compounds, EuTAsF (T = Zn, Mn, and Fe)
• Suppression of the magnetic order in CeFeAsO: non-equivalence of hydrostatic and chemical pressure
• Microscopic phase diagram of LaFeAsO single crystals under pressure
• Phase transition in CaFeAsH: bridging 1111 and 122 iron-based superconductors
• Study of the rare earth effects on the magnetic fluctuations in RbLn${}_2$Fe${}_4$As${}_4$O${}_2$ (Ln = Tb, Dy and Ho) by Mössbauer spectroscopy
• Isovalent substitution effects of arsenic on structural and electrical properties of iron-based superconductor NdFeAsO0.8F0.2