Nanotechnology & Applications
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ISSN: 2639-9466
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Theory of the Minimum of the Temperature Dependence of the Inverse of the Magnetic Susceptibility in Nearly Ferromagnetic Metals
Authors: Rikio Konno.
Abstract
We investigated the minimum of the temperature dependence of the inverse of the magnetic susceptibility by using self-consistent renormalisation theory of spin fluctuations in nearly ferromagnetic metals that includes the electronic correlation beyond the random phase approximation. We used the Landau expansion of the magnetic free energy up to the 6th order term of the magnetisation. We found that the inverse of the magnetic susceptibility had the minimum at low temperatures at maximum of the square of the local spin amplitude. We succeeded in reproducing the Curie-Weiss law at elevated temperatures.
Citation:
Rikio Konno. Theory of the Minimum of the Temperature Dependence of the Inverse of the Magnetic Susceptibility in Nearly Ferromagnetic Metals. 2025; 8(1).
DOI:
10.33425/2639-9466.1038
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Khalid Mujasam Batoo
King Abdullah Institute For Nanotechnology | King Saud University
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