Abstract
Magnetization, ferromagnetic resonance (FMR), heat capacity, and electrical conductivity of ${\mathrm{MnCr}}_{2}{\mathrm{S}}_{4}$ spinel single crystals were investigated as a function of temperature and magnetic field. Two \ensuremath{\lambda} anomalies observed in the heat capacity correlate with magnetic phase transformations and their field dependence found in magnetization measurements. The upper \ensuremath{\lambda} anomaly at a temperature of $\ensuremath{\sim}65\mathrm{K}$ marks the onset of ferrimagnetic ordering, while the lower one at $\ensuremath{\sim}4.8\mathrm{K}$ indicates an additional antiferromagnetic ordering of the $A(\mathrm{Mn})$ sublattice. Below the Curie temperature, magnetization, and FMR measurements revealed a positive magnetocrystalline anisotropy. The dominating role of the $B(\mathrm{Cr})$ sublattice in generating this anisotropy is shown.
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