The effect of high deposition energy of carbon overcoats on perpendicular magnetic recording media

被引：3
|
作者：
Shakerzadeh, M. [1 ]
Piramanayagam, S. N. [1 ]
Ji, R. [1 ]
Varghese, B. [1 ]
Tan, H. K. [1 ]
Bosman, M. [2 ]
机构：
[1] ASTAR, Data Storage Inst, Singapore 117608, Singapore
[2] ASTAR, Inst Mat Res & Engn, Singapore 117602, Singapore
来源：
APPLIED PHYSICS LETTERS | 2013年 / 103卷 / 16期
关键词：
HEAD-DISK INTERFACE; AMORPHOUS-CARBON; PATTERNED MEDIA; CHALLENGES;
D O I：
10.1063/1.4826455
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
High-energy carbon deposition techniques provide thin overcoats with high corrosion and wear protection for magnetic recording media applications. The effect of high-energy ( 0-300 V substrate bias) deposition on the implantation induced changes in magnetic and structural properties of granular perpendicular magnetic recording media is studied. To observe subtle changes in a thin region of recording media, antiferromagnetically coupled layer structure was used. Clear changes in the magnetic properties, observed as a function of the carbon deposition energy, correlate with other measurements such as X-ray photoelectron spectroscopy, indicating the need to consider such effects when designing media and overcoat. (C) 2013 AIP Publishing LLC.
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页数：4
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