Magnetic alloy and method for manufacturing same

摘要

Media according to the present invention is comprised of individual magnetic grains as small as 300 ANGSTROM or smaller in diameter, which are uniformly spaced apart by a distance between 5 and 50 ANGSTROM by a solid segregant. This media will typically exhibit coercivity and remanent coercivity squareness of at least 0.8 each, a switching field distribution of less than 0.2, and a coercivity of at least 1500 Oe (with a minimum required Pt content), while simultaneously providing the lowest media jitter noise for optimum magnetic performance. The media is deposited at a low partial pressure of water and in the presence of an optimum amount of contributant gas on a doped nucleation layer for grain growth control.