Perpendicular magnetic recording medium comprising a magnetic thin film of cobalt, palladium, chromium and oxygen

摘要

A magnetic recording medium comprising a nonmagnetic substrate having thereon a magnetic layer, wherein the magnetic layer is a metal thin film comprising mainly a composition represented by the formula: (Co100-xPdx)100-yCry or [(Co.100-xPdx)100-yCry]100-zOz wherein x, y and z are atomic percents, and 10