A linear spin-wave theory for LiNiPO4 utilizing a nonextensive distribution
DOI:
https://doi.org/10.15381/rif.v15i01.8692Keywords:
Spin waves, neutron diffraction, magnetic materials, quantum statistical mechanics.Abstract
This work is concerned about the lithium-nickel phosphate, LiNiPO4, a very important magneticelectric material due to its promising applications to tailor the next-generation lithium-nickel batteries. In the Hamiltonian operator, it is considered the interactions of Ni2+, the unique magnetic ion in the phosphate. Specifically, it is taken into account the Heisenberg interactions along with the single-ion anisotropy term. Furthermore, the utilization of the Holstein-Primakoff formalism leads to spin-wave scattering. To investigate the spin-wave intensities, we utilize the nonextensive probability distribution what originates some bulges in the curves of the intensities.
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Copyright (c) 2012 F. A. R. Navarro, J. F. V. Flores, E. C. Torres Tapia
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