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The paper presents models and the methodology for their application to analyze the dependence of conductivity on the magnetic field (σ(B)) under conditions of spin-dependent scattering of charge carriers on magnetic centers, which are described by Langevin (super)paramagnetism, taking into account the influence of the Lorentz force in the presence and absence of quantum corrections. Using polycrystalline CVD graphene as an example, it is shown that the proposed models make it possible to describe the negative magnetoresistance observed in 2D carbon materials in relatively high magnetic fields.
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Kharchanka et al. (2026) studied this question.
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