Microstructure and magnetic properties of CoCr thin films formed on Ge layer
To improve the c-axis oriented columnar growth, the nucleation of CoCr crystals on various underlayers which are formed on substrates prior to CoCr alloy deposition is studied. Microstructures of vacuum deposited CoCr alloy films are examined by transmission electron microscopy (TEM). It is found th...
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| Veröffentlicht in: | IEEE transactions on magnetics 1985-09, Vol.21 (5), p.1426-1428 |
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| container_title | IEEE transactions on magnetics |
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| creator | Futamoto, M. Honda, Y. Kakibayashi, H. Yoshida, K. |
| description | To improve the c-axis oriented columnar growth, the nucleation of CoCr crystals on various underlayers which are formed on substrates prior to CoCr alloy deposition is studied. Microstructures of vacuum deposited CoCr alloy films are examined by transmission electron microscopy (TEM). It is found that an amorphous-like Ge is a suitable underlayer material to prepare highly oriented CoCr films. Cross-sectional TEM study indicates that the CoCr film formed on Ge layer consists of pillarlike crystals grown vertically throughout the film thickness. The CoCr film formed on Ge layer has a large perpendicular magnetic anisotropy. The read-write (R/W) characteristics have been markedly improved using the highly oriented CoCr film and a very high recording density of D 50 =230 kFCI is achieved, The role of the Ge layer on nucleation of CoCr crystal is discussed. |
| doi_str_mv | 10.1109/TMAG.1985.1064012 |
| format | Article |
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Microstructures of vacuum deposited CoCr alloy films are examined by transmission electron microscopy (TEM). It is found that an amorphous-like Ge is a suitable underlayer material to prepare highly oriented CoCr films. Cross-sectional TEM study indicates that the CoCr film formed on Ge layer consists of pillarlike crystals grown vertically throughout the film thickness. The CoCr film formed on Ge layer has a large perpendicular magnetic anisotropy. The read-write (R/W) characteristics have been markedly improved using the highly oriented CoCr film and a very high recording density of D 50 =230 kFCI is achieved, The role of the Ge layer on nucleation of CoCr crystal is discussed.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.1985.1064012</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>IEEE</publisher><subject>Amorphous magnetic materials ; Crystal microstructure ; Crystalline materials ; Disk recording ; Magnetic films ; Magnetic materials ; Magnetic properties ; Perpendicular magnetic anisotropy ; Substrates ; Transmission electron microscopy</subject><ispartof>IEEE transactions on magnetics, 1985-09, Vol.21 (5), p.1426-1428</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-9463fb9d8978cc9d0f5b2492f889f9b7e7588424b47e4e72d1450254b56c03d03</citedby><cites>FETCH-LOGICAL-c360t-9463fb9d8978cc9d0f5b2492f889f9b7e7588424b47e4e72d1450254b56c03d03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1064012$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1064012$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Futamoto, M.</creatorcontrib><creatorcontrib>Honda, Y.</creatorcontrib><creatorcontrib>Kakibayashi, H.</creatorcontrib><creatorcontrib>Yoshida, K.</creatorcontrib><title>Microstructure and magnetic properties of CoCr thin films formed on Ge layer</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>To improve the c-axis oriented columnar growth, the nucleation of CoCr crystals on various underlayers which are formed on substrates prior to CoCr alloy deposition is studied. Microstructures of vacuum deposited CoCr alloy films are examined by transmission electron microscopy (TEM). It is found that an amorphous-like Ge is a suitable underlayer material to prepare highly oriented CoCr films. Cross-sectional TEM study indicates that the CoCr film formed on Ge layer consists of pillarlike crystals grown vertically throughout the film thickness. The CoCr film formed on Ge layer has a large perpendicular magnetic anisotropy. The read-write (R/W) characteristics have been markedly improved using the highly oriented CoCr film and a very high recording density of D 50 =230 kFCI is achieved, The role of the Ge layer on nucleation of CoCr crystal is discussed.</description><subject>Amorphous magnetic materials</subject><subject>Crystal microstructure</subject><subject>Crystalline materials</subject><subject>Disk recording</subject><subject>Magnetic films</subject><subject>Magnetic materials</subject><subject>Magnetic properties</subject><subject>Perpendicular magnetic anisotropy</subject><subject>Substrates</subject><subject>Transmission electron microscopy</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1985</creationdate><recordtype>article</recordtype><recordid>eNpNkDFPwzAQhS0EEqXwAxCLJ7aUs-Mk9lhFUJBasZTZSpwzGCVxsZOBf0-idGA6ne6903sfIfcMNoyBejoetrsNUzLbMMgFMH5BVkwJlgDk6pKsAJhMlMjFNbmJ8XtaRcZgRfYHZ4KPQxjNMAakVd_QrvrscXCGnoI_YRgcRuotLX0Z6PDlempd20Vqfeiwob6nO6Rt9YvhllzZqo14d55r8vHyfCxfk_377q3c7hOT5jDMMVJbq0aqQhqjGrBZzYXiVkplVV1gkUkpuKhFgQIL3kxZgWeiznIDaQPpmjwuf6eAPyPGQXcuGmzbqkc_Rs1lmrOU5ZOQLcK5Ywxo9Sm4rgq_moGeuemZm5656TO3yfOweBwi_tMv1z8hAGh0</recordid><startdate>19850901</startdate><enddate>19850901</enddate><creator>Futamoto, M.</creator><creator>Honda, Y.</creator><creator>Kakibayashi, H.</creator><creator>Yoshida, K.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>19850901</creationdate><title>Microstructure and magnetic properties of CoCr thin films formed on Ge layer</title><author>Futamoto, M. ; Honda, Y. ; Kakibayashi, H. ; Yoshida, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-9463fb9d8978cc9d0f5b2492f889f9b7e7588424b47e4e72d1450254b56c03d03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1985</creationdate><topic>Amorphous magnetic materials</topic><topic>Crystal microstructure</topic><topic>Crystalline materials</topic><topic>Disk recording</topic><topic>Magnetic films</topic><topic>Magnetic materials</topic><topic>Magnetic properties</topic><topic>Perpendicular magnetic anisotropy</topic><topic>Substrates</topic><topic>Transmission electron microscopy</topic><toplevel>online_resources</toplevel><creatorcontrib>Futamoto, M.</creatorcontrib><creatorcontrib>Honda, Y.</creatorcontrib><creatorcontrib>Kakibayashi, H.</creatorcontrib><creatorcontrib>Yoshida, K.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Futamoto, M.</au><au>Honda, Y.</au><au>Kakibayashi, H.</au><au>Yoshida, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microstructure and magnetic properties of CoCr thin films formed on Ge layer</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>1985-09-01</date><risdate>1985</risdate><volume>21</volume><issue>5</issue><spage>1426</spage><epage>1428</epage><pages>1426-1428</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>To improve the c-axis oriented columnar growth, the nucleation of CoCr crystals on various underlayers which are formed on substrates prior to CoCr alloy deposition is studied. Microstructures of vacuum deposited CoCr alloy films are examined by transmission electron microscopy (TEM). It is found that an amorphous-like Ge is a suitable underlayer material to prepare highly oriented CoCr films. Cross-sectional TEM study indicates that the CoCr film formed on Ge layer consists of pillarlike crystals grown vertically throughout the film thickness. The CoCr film formed on Ge layer has a large perpendicular magnetic anisotropy. The read-write (R/W) characteristics have been markedly improved using the highly oriented CoCr film and a very high recording density of D 50 =230 kFCI is achieved, The role of the Ge layer on nucleation of CoCr crystal is discussed.</abstract><pub>IEEE</pub><doi>10.1109/TMAG.1985.1064012</doi><tpages>3</tpages></addata></record> |
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| issn | 0018-9464 1941-0069 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Amorphous magnetic materials Crystal microstructure Crystalline materials Disk recording Magnetic films Magnetic materials Magnetic properties Perpendicular magnetic anisotropy Substrates Transmission electron microscopy |
| title | Microstructure and magnetic properties of CoCr thin films formed on Ge layer |
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