The present invention provides a core-shell magnetic material having an excellent characteristic in a
high frequency band, particularly, in a GHz band. The core-shell magnetic material includes: core-shell magnetic particles including magnetic
metal particles and an
oxide coating layer, the magnetic
metal particle containing magnetic
metal selected from the group of Fe, Co, and Ni, nonmagnetic metal selected from the group of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, a rare-earth element, Ba, and Sr, and an element selected from carbon and
nitrogen, and the
oxide coating layer being made of an
oxide containing at least one nonmagnetic metal as one of the components of the magnetic
metal particle; and oxide particles existing at least a part between the magnetic metal particles and containing nonmagnetic metal selected from the group of Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, a rare-earth element, Ba, and Sr, and in which nonmagnetic metal / magnetic metal (
atomic ratio) in the particles is higher than that in the
oxide coating layer.