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A method of manufacturing a magnet comprising : providing a rare earth magnetic body; cold spray depositing a layer of dysprosium or terbium onto the magnetic body to form a magnet; and heat-treating the magnet. A magnet is also provided comprising a magnetic body and a layer of dysprosium or terbium. The magnetic body contains grains of rare earth magnet alloy, and the layer of dysprosium or terbium is deposited onto a surface of the magnetic body by a cold spray process.