Tutorial: A Beginner's Guide to Interpreting Magnetic Susceptibility Data with the Curie-Weiss Law

Abstract

Magnetic susceptibility measurements are often the first characterization tool that researchers turn to when beginning to assess the magnetic nature of a newly discovered material. Breakthroughs in instrumentation have made the collection of high quality magnetic susceptibility data more accessible than ever before. However, the analysis of susceptibility data remains a common challenge for newcomers to the field of magnetism. While a comprehensive treatment of the theoretical aspects of magnetism are found in numerous excellent textbooks, there is a gap at the point of practical application. We were inspired by this obstacle to put together this guide to the analysis and interpretation of magnetic susceptibility data, with an emphasis on materials that exhibit Curie-Weiss paramagnetism.

arXiv comment15 pages, 7 figures

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• Emergent dynamical Kondo coherence and competing magnetic order in a correlated kagome flat-band metal CsCr6Sb6
• A primer on Kitaev Model: Basic aspects, material realization, and recent experiments
• Exerting chemical pressure on the kagome lattice as frustration control in the kapellasite family $A$Cu${}_3$(OH)${}_{6+x}$(Cl,Br)${}_{3-x}$
• Cluster Spin Glass State in Ba${}_3$Sb${}_{1+x}$Co${}_{2-x}$O${}_{9-\delta }$: Cation Disorder and Mixed-Valence Co Dimers
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• Random singlet physics in exchange disordered 2D triangular YbCu${}_{1.14}$Se${}_2$
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• High-pressure synthesis of quantum magnet M-YbTaO4 with a stretched diamond lattice
• Single-ion anisotropy driven chiral magnetic order in a spin-1 antiferromagnetic chain
• Finite Spinon Density-of-States in Triangular-Lattice Delafossite TlYbSe${}_2$
• Probing GHz Spin Dynamics Across Magnetic Phase Transitions in CrCl3 Nanoflakes Using Nitrogen-Vacancy Microscopy
• Bulk magnetic properties of distorted square lattice compounds M'-LnTaO4 (Ln = Tb, Dy, Ho, Er)
• Exploring Low-Dimensional Magnetism in Cobalt Vanadates, $A$CoV${}_2$O${}_7$~($A$~=~Ca, Sr) : Crystal Growth and Magnetic Properties of Effective Spin-1/2 Zigzag Chains
• Magnetic Frustration Enforced Electronic Reconstruction in Ni intercalated NbSe${}_2$: Suppression of Electronic Orders
• $L{a}_{3}P{d}_{2}Na{O}_9$: A High-Valent Insulating Palladate
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• Dilute Paramagnetism and Non-Trivial Topology in Quasicrystal Approximant Fe${}_4$Al${}_{13}$
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