Abstract:In this paper, the diffusion behavior of hydrogenated amorphous carbon into Co-Pt-TiO 2 and Ruthenium films was first investigated. Impact of carbon on Co-Pt-TiO 2 composite film and its diffusion in Co-Pt-TiO 2 and ruthenium films were studied using Time-of-Flight Secondary Ion Mass Spectroscopy. Magnetic coercivity drop was observed for Co-Pt-TiO 2 films coated with ruthenium and carbon hybrid overcoat at varied thickness ratio. Co-Pt-TiO 2 film is widely used in perpendicular magnetic recording. Carbon dept… Show more
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