Abstract
High quality YFe0.6Mn0.4O3 single crystal was grown by floating zone technique using a four-mirror-image-furnace under flowing air. Powder X-ray diffraction gives well evidence that the specimen has an orthorhombic structure, with space group Pbnm. Temperature dependence of the magnetizations of YFe0.6Mn0.4O3 single crystal were studied under ZFC and FC modes in the temperature range from 5K to 400K. A clear spin reorientation transition behavior (Γ4→Γ1) is observed in the temperature range of 322–316K, due to the substitution of Mn at the Fe site of YFeO3. Its Néel temperature is around 385K. Moreover, the spin reorientation is verified by the change of magnetic hysteresis loops of the sample along [001] axis in the temperature range of 50–385K. The thermal properties of the sample were measured by the differential scanning calorimeter (DSC) from 300K to 500K, which also clearly appear anomaly in the spin reorientation region.
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