Rare earth magnet, method for manufacturing the same, and motor using rare earth magnet

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A rare earth magnet comprises rare earth magnet particles and a rare earth oxide being present between the rare earth magnet particles. The rare earth oxide is represented by a following general formula (I) : [in-line-formulae]R2O3  (I)[/in-line-formulae]where R is any one of terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium.