Magnetism and the phase diagram of MnSb$_2$O$_6$

Static and dynamic magnetic properties of P={3}1 $m$ -phase MnSb $_{2}$ O $_{6}$ have been studied by means of muon spin relaxation ( $μ$ SR), high-frequency electron spin resonance (HF-ESR), specific heat, and magnetisation studies in magnetic fields up to 25,T. The data imply onset of long-range antiferromagnetic order at $T_{N}$ =~8~K and a spin-flop-like transition at $B_{S F} \approx 0.7 - 1$ ~T. Below $T_{N}$ , muon asymmetry exhibits well-defined oscillations indicating a narrow distribution of the local fields. A competing antiferromagnetic phase appearing below $T_{2}$ =~5.3~K is evidenced by a step in the magnetisation and a slight kink of the relaxation rate. Above $T_{N}$ , both $μ$ SR and HF-ESR data suggest short-range spin order. HF-ESR data show that local magnetic fields persist up to at least $12 \cdot T_{N} \approx 100$ ,K. Analysis of the antiferromagnetic resonance modes and the thermodynamic spin-flop field suggest zero-field splitting of $Δ \approx 18$ ,GHz which implies small but finite magnetic anisotropy.

Magnetism and the phase diagram of MnSb $_{2}$ O $_{6}$

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Magnetism and the phase diagram of MnSb $_{2}$ O $_{6}$

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Magnetism and the phase diagram of MnSb22​O66​

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Magnetism and the phase diagram of MnSb22​O66​

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Magnetism and the phase diagram of MnSb $_{2}$ O $_{6}$

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Magnetism and the phase diagram of MnSb $_{2}$ O $_{6}$

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