A fitted spin Hamiltonian with biquadratic and anisotropy terms accounts for the 1/3 magnetization plateau, multiple susceptibility transitions, and specific heat in the trimer antiferromagnet γ-Mn₃(PO₄)₂.
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Microscopic model for the ground state, 1/3 plateau and excitations of $\gamma$-Mn$_3$(PO$_4$)$_2$
A fitted spin Hamiltonian with biquadratic and anisotropy terms accounts for the 1/3 magnetization plateau, multiple susceptibility transitions, and specific heat in the trimer antiferromagnet γ-Mn₃(PO₄)₂.