Effects of thin carbon intermediate layer on magnetic and structural properties of perpendicular recording media
CoCrPt/CoCr/carbon films were sputter-deposited on CoTaZr soft-magnetic underlayers and the effects of a carbon intermediate layer on magnetic and recording properties were investigated by changing a heating sequence in sample preparations. A heating process before a CoCr deposition was needed to ob...
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| Veröffentlicht in: | Journal of magnetism and magnetic materials 2001-10, Vol.235 (1), p.73-77 |
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| container_end_page | 77 |
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| container_issue | 1 |
| container_start_page | 73 |
| container_title | Journal of magnetism and magnetic materials |
| container_volume | 235 |
| creator | Nakagawa, H. Honda, Y. Kikukawa, A. Tanahashi, K. Ishikawa, A. Futamoto, M. |
| description | CoCrPt/CoCr/carbon films were sputter-deposited on CoTaZr soft-magnetic underlayers and the effects of a carbon intermediate layer on magnetic and recording properties were investigated by changing a heating sequence in sample preparations. A heating process before a CoCr deposition was needed to obtain a high perpendicular coercivity. The carbon diffusion into a CoCr layer during its deposition led to small crystal grains in the CoCr layer and thereby the CoCrPt layer. Consequently, a high perpendicular coercivity was obtained, which was considered due to the change in magnetization process from a wall motion to a coherent rotation. The use of a thin (1–5
nm) carbon intermediate layer was found to be effective to obtain both low noise and high resolution. |
| doi_str_mv | 10.1016/S0304-8853(01)00302-X |
| format | Article |
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nm) carbon intermediate layer was found to be effective to obtain both low noise and high resolution.</description><subject>Applied sciences</subject><subject>Carbon intermediate layer</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Diffusion</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Heating sequence</subject><subject>Magnetic and optical mass memories</subject><subject>Magnetic properties and materials</subject><subject>Magnetic recording materials</subject><subject>Perpendicular magnetic recording media</subject><subject>Physics</subject><subject>Storage and reproduction of information</subject><subject>Studies of specific magnetic materials</subject><issn>0304-8853</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFkElLBDEQhfug4Lj8BCEHET20Jp1eTyIyLiB4UGFuoaa6MkZ60m2SFubfm1nQo6dUilfvVX1Jcir4leCivH7lkudpXRfygotLHn9ZOttLJr_tg-TQ-0_OucjrcpIMU60Jg2e9ZuHDWIbg5r1lxgZyS2oNBGIdrMix2F3CwlIwyMC2zAc3YhgddGxw_UAuGNr4xHIg2xocO3DMEfauNXbBNnbHyb6GztPJ7j1K3u-nb3eP6fPLw9Pd7XOKuZQhnZeZrmXFW4K2Aa5FmeuWmgYLmTU1b7JKSATUoAsAKEg3dSXnDdG8yrAuQB4l51vfuNvXSD6opfFIXQeW-tGrrKxkEaOisNgK0fXeO9JqcGYJbqUEV2umasNUreEpLtSGqZrFubNdAHiETjuwaPzfsMh5XWZRdrOVUTz225BTHg1ZjCwimaDa3vwT9AO-WpBw</recordid><startdate>20011001</startdate><enddate>20011001</enddate><creator>Nakagawa, H.</creator><creator>Honda, Y.</creator><creator>Kikukawa, A.</creator><creator>Tanahashi, K.</creator><creator>Ishikawa, A.</creator><creator>Futamoto, M.</creator><general>Elsevier B.V</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20011001</creationdate><title>Effects of thin carbon intermediate layer on magnetic and structural properties of perpendicular recording media</title><author>Nakagawa, H. ; Honda, Y. ; Kikukawa, A. ; Tanahashi, K. ; Ishikawa, A. ; Futamoto, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c433t-b62f8370dead9a0f164fde99c53298092713cacfaf5aaa5ef9873b9eeb72c85a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Applied sciences</topic><topic>Carbon intermediate layer</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Diffusion</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Heating sequence</topic><topic>Magnetic and optical mass memories</topic><topic>Magnetic properties and materials</topic><topic>Magnetic recording materials</topic><topic>Perpendicular magnetic recording media</topic><topic>Physics</topic><topic>Storage and reproduction of information</topic><topic>Studies of specific magnetic materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Nakagawa, H.</creatorcontrib><creatorcontrib>Honda, Y.</creatorcontrib><creatorcontrib>Kikukawa, A.</creatorcontrib><creatorcontrib>Tanahashi, K.</creatorcontrib><creatorcontrib>Ishikawa, A.</creatorcontrib><creatorcontrib>Futamoto, M.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of magnetism and magnetic materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nakagawa, H.</au><au>Honda, Y.</au><au>Kikukawa, A.</au><au>Tanahashi, K.</au><au>Ishikawa, A.</au><au>Futamoto, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of thin carbon intermediate layer on magnetic and structural properties of perpendicular recording media</atitle><jtitle>Journal of magnetism and magnetic materials</jtitle><date>2001-10-01</date><risdate>2001</risdate><volume>235</volume><issue>1</issue><spage>73</spage><epage>77</epage><pages>73-77</pages><issn>0304-8853</issn><coden>JMMMDC</coden><abstract>CoCrPt/CoCr/carbon films were sputter-deposited on CoTaZr soft-magnetic underlayers and the effects of a carbon intermediate layer on magnetic and recording properties were investigated by changing a heating sequence in sample preparations. A heating process before a CoCr deposition was needed to obtain a high perpendicular coercivity. The carbon diffusion into a CoCr layer during its deposition led to small crystal grains in the CoCr layer and thereby the CoCrPt layer. Consequently, a high perpendicular coercivity was obtained, which was considered due to the change in magnetization process from a wall motion to a coherent rotation. The use of a thin (1–5
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| ispartof | Journal of magnetism and magnetic materials, 2001-10, Vol.235 (1), p.73-77 |
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| subjects | Applied sciences Carbon intermediate layer Condensed matter: electronic structure, electrical, magnetic, and optical properties Diffusion Electronics Exact sciences and technology Heating sequence Magnetic and optical mass memories Magnetic properties and materials Magnetic recording materials Perpendicular magnetic recording media Physics Storage and reproduction of information Studies of specific magnetic materials |
| title | Effects of thin carbon intermediate layer on magnetic and structural properties of perpendicular recording media |
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