Magnetization steps of $J_{1}$ quintets in the hcp lattice
arXiv (Cornell University)(2020)
Abstract
The magnetization steps of quintets, consisting of five identical magnetic ions coupled by isotropic nearest neighbors antiferromagnetic exchange interaction, in the hcp lattice, have been investigated. In that model there are 17 types of quintets. The values of the magnetic field of the magnetization steps of the quintets have been determined by numerical diagonalization of the spin Hamiltonian, which is composed by the isotropic exchange and the Zeeman interactions. The quintets are composed of individual spin $S$ = 1/2, 3/2 and 5/2. The contribution of the quintets for the effective concentration (or technical saturation) as a function of the magnetic ions concentration was also calculated.
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