Magnetic thin film and magnetic head useing this magnetic thin film

A magnetic film and a magnetic head using such a magnetic film (5, 9) of. Such magnetic film is formed by one or more elements added to fill composed of iron or iron as the main component in the magnetic film is formed, these elements interstitially soluble to Fe can be selected from the elements: boron, nitrogen, carbon and phosphorus element content of 5 to 20 atomic%.