Universal linear-temperature dependence of static magnetic susceptibility in iron pnictides

2008/09/30 by Guang-Ming Zhang, G. M. Zhang, Yue-Hua Su +6 · 5 citations
Materials Science · Physics and Astronomy · #Antiferromagnetism #Condensed matter physics #Curie #Curie temperature #Curie–Weiss law #Ferromagnetism #Iron-based superconductors research #Magnetic field #Magnetic susceptibility #Paramagnetism #Pauli exclusion principle #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Rare-earth and actinide compounds #Spin (aerodynamics) #Thermodynamics #cond-mat.str-el #cond-mat.supr-con

paper · pdf · doi:10.1209/0295-5075/86/37006

published as EPL 86, 37006 (2009). · 4 pages, 2 figures

arxiv created 2009/02/09 · openalex publication_date 2009/05/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

A universal linear-temperature dependence of the uniform magnetic susceptibility has been observed in the non-magnetic normal state of iron pnictides. This non-Pauli and non-Curie-Weiss-like paramagnetic behavior cannot be understood within a simple mean-field picture. We argue that it results from the existence of a wide antiferromagnetic fluctuation window in which the local spin-density-wave correlations exist but the global directional order has not been established yet.

Citations

• Low Temperature Behavior and Crossovers of the Square Lattice Quantum Heisenberg Antiferromagnet
• Hall effect and magnetoresistance in single crystals ofNdFeAsO1−xFx(x=0and 0.18)
• Structural transition and anisotropic properties of single-crystallineSrFe2As2
• Theory of electron nematic order in LaFeAsO
• Competing orders and spin-density-wave instability in La(O 1−x F x )FeAs
• Anisotropy in the Electrical Resistivity and Susceptibility of SuperconductingBaFe2As2Single Crystals
• Strong Correlations and Magnetic Frustration in the HighTcIron Pnictides
• Different resistivity response to spin-density wave and superconductivity at 20 K in Ca1−xNaxFe2As2
• Charge Ordering, Commensurability, and Metallicity in the Phase Diagram of the LayeredNaxCoO2
• Origin of the 150-K Anomaly in LaFeAsO: Competing Antiferromagnetic Interactions, Frustration, and a Structural Phase Transition

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• Interplay of Superconductivity and Fermi-Liquid Transport in Rh-Doped CaFe2As2 with Lattice-Collapse Transition
• Crystal growth and electronic phase diagram of4d−dopedNa1−δFe1−xRhxAsin comparison to3d−dopedNa1−δFe1−xCoxAs
• Influence of magnetism on phonons inCaFe2As2as seen via inelastic x-ray scattering