Core-shell magnetic material, method of manufacturing a core-shell magnetic material, the device unit, and antenna device.

摘要

PROBLEM TO BE SOLVED: To provide a core shell-type magnetic material having an excellent characteristic in a high-frequency band, particularly, in a GHz-band.;SOLUTION: The core shell-type magnetic material is such that it includes: core shell-type magnetic particles, containing magnetic metal particles and a coating layer coating at least a partial front surface of the magnetic metal particles, wherein the magnetic metal particles contain at least one magnetic metal selected from among a group consisting of Fe, Co and Ni, and the coating layer consisting of an oxide, a nitride or a carbide containing at least one magnetic metal; and oxide particles, nitride particles or carbide particles which exist in at least a part between the magnetic metal particles and contain at least one nonmagnetic metal selected from among Mg, Al, Si, Ca, Zr, Ti, Hf, Zn, Mn, a rare-earth element, Ba and Sr.;COPYRIGHT: (C)2010,JPO&INPIT