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We report the synthesis of a new oxychalcogenide HgOCuSe sample. Theresistivity decreases as a function of $T^{1.75}$ with decreasing temperaturefrom room temperature down to around 80 K. There exists a very sharpferromagnetic-like phase transition at around 60 K under a field of $H$ = 100Oe. Contrary to the usual ferromagnetic materials, the descending and ascendingbranches of the magnetic hysteresis curve, at 30 K, are reversed in the wholeirreversible field range and the reverse irreversibility decreases at 5 K.

A ferromagnetic-like phase transition in new oxychalcogenide HgOCuSe