A Double Underlayer for Co-Based Longitudial Recording Thin Film Media

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Magnetic and recording characteristics of CoCrPt thin film media deposited on Cr75Ti25/CoTi double underlayers were investigated and compared to those on bare CoTi or Cr underlayer, Higher coercivity and improved SMR property were obtained compared to media that had CoTi or Cr underlayer, Transmission electron microscopy analysis showed that the crystal grain size and grain size distribution in the magnetic layer were reduced when the Cr75Ti25/CoTi double layer was used as underlayer. Furthermore, from the delta-M and magnetic force microscopy analyses, it was found that CoCrPt/Cr75Ti25/CoTi triple layered thin films had higher magnetic decoupling of neighboring grains than that of CoCrPt deposited on CoTi or Cr underlayer.
Publisher
IEEE-Inst Electrical Electronics Engineers Inc
Issue Date
1999-09
Language
English
Article Type
Article; Proceedings Paper
Keywords

NIAL UNDERLAYERS

Citation

IEEE TRANSACTIONS ON MAGNETICS, v.35, no.5, pp.2628 - 2633

ISSN
0018-9464
DOI
10.1109/20.800919
URI
http://hdl.handle.net/10203/67682
Appears in Collection
MS-Journal Papers(저널논문)
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