| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic metal particle aggregate which involves a high loss in a high frequency band; and an electric wave absorber.SOLUTION: A magnetic metal particle aggregate 100 has an average particle diameter of 15-200 nm, and comprises magnetic metal particles 10 which include at least one kind of magnetic metal selected from a first group consisting of Fe, Co and Ni, and have an average particle diameter of 10-50 nm, and part of which are bonded to each other. An electric wave absorber 200 comprises the magnetic metal particle aggregate. |
