Effect of Substrate and Surface Conditioning on Magnetic Properties and Texture of CoPt Hard Bias Films
Effect of growth surface on CoPt hard bias film performance has been systematically studied using different substrates and substrate surface conditioning. Films deposited on four different types of substrates show different levels of crystallographic quality and magnetic performance. Among them, the...
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| Veröffentlicht in: | IEEE transactions on magnetics 2009-10, Vol.45 (10), p.4424-4426 |
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| container_title | IEEE transactions on magnetics |
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| creator | Roy, A.G. Ming Mao Pakala, M. |
| description | Effect of growth surface on CoPt hard bias film performance has been systematically studied using different substrates and substrate surface conditioning. Films deposited on four different types of substrates show different levels of crystallographic quality and magnetic performance. Among them, the films deposited on Al 2 O 3 -coated substrates are the best, up to 400 Oe higher in coercivity and 0.05 higher in remnant squareness. Proper substrate surface conditioning by ion-beam depositions has been found to be effective in improving inplace c -axis orientation; hence, magnetic properties of CoPt hard bias films. In addition, the deposition of a thin amorphous Al 2 O 3 film on substrates prior to the hard bias film deposition helps to promote nearly 100% inplane c -axis crystallographic orientation. |
| doi_str_mv | 10.1109/TMAG.2009.2023074 |
| format | Article |
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Films deposited on four different types of substrates show different levels of crystallographic quality and magnetic performance. Among them, the films deposited on Al 2 O 3 -coated substrates are the best, up to 400 Oe higher in coercivity and 0.05 higher in remnant squareness. Proper substrate surface conditioning by ion-beam depositions has been found to be effective in improving inplace c -axis orientation; hence, magnetic properties of CoPt hard bias films. In addition, the deposition of a thin amorphous Al 2 O 3 film on substrates prior to the hard bias film deposition helps to promote nearly 100% inplane c -axis crystallographic orientation.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2009.2023074</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Amorphous magnetic materials ; Bias ; Cobalt base alloys ; Cobalt compounds ; Coercive force ; Coercivity ; Conditioning ; CoPt ; Crystallography ; Deposition ; hard bias ; inplane c -axis orientation ; Intermetallics ; Magnetic films ; Magnetic materials ; Magnetic properties ; Magnetic sensors ; Magnetism ; Platinum compounds ; read sensor ; squareness ; substrate ; Substrates ; surface conditioning ; Surface texture ; Texture ; X-ray scattering</subject><ispartof>IEEE transactions on magnetics, 2009-10, Vol.45 (10), p.4424-4426</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Films deposited on four different types of substrates show different levels of crystallographic quality and magnetic performance. Among them, the films deposited on Al 2 O 3 -coated substrates are the best, up to 400 Oe higher in coercivity and 0.05 higher in remnant squareness. Proper substrate surface conditioning by ion-beam depositions has been found to be effective in improving inplace c -axis orientation; hence, magnetic properties of CoPt hard bias films. In addition, the deposition of a thin amorphous Al 2 O 3 film on substrates prior to the hard bias film deposition helps to promote nearly 100% inplane c -axis crystallographic orientation.</description><subject>Amorphous magnetic materials</subject><subject>Bias</subject><subject>Cobalt base alloys</subject><subject>Cobalt compounds</subject><subject>Coercive force</subject><subject>Coercivity</subject><subject>Conditioning</subject><subject>CoPt</subject><subject>Crystallography</subject><subject>Deposition</subject><subject>hard bias</subject><subject>inplane c -axis orientation</subject><subject>Intermetallics</subject><subject>Magnetic films</subject><subject>Magnetic materials</subject><subject>Magnetic properties</subject><subject>Magnetic sensors</subject><subject>Magnetism</subject><subject>Platinum compounds</subject><subject>read sensor</subject><subject>squareness</subject><subject>substrate</subject><subject>Substrates</subject><subject>surface conditioning</subject><subject>Surface texture</subject><subject>Texture</subject><subject>X-ray scattering</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkEtLAzEUhYMoWB8_QNwEV26m3jwmM1lq8QUVBes6ZDJ3SqSd1CQD-u-dWnHhXdzLge8cLoeQMwZTxkBfLZ6u76ccQI-LC6jkHpkwLVkBoPQ-mQCwutBSyUNylNL7KGXJYEKWt12HLtPQ0dehSTnajNT27ahiZx3SWehbn33ofb-koadPdtlj9o6-xLDBmD2mH36Bn3mIuA2ahZdMH2xs6Y23id751TqdkIPOrhKe_t5j8nZ3u5g9FPPn-8fZ9bxwvKpy4aAR40jHZONYiYo3WDsEDhU63WrQNXIJvOV1XdYNswqF7pjQugUJqhbH5HKXu4nhY8CUzdonh6uV7TEMyTChSiZK_YNe_EPfwxD78TtTl0pz0EyOENtBLoaUInZmE_3axi_DwGybN9vmzbZ589v86DnfeTwi_vElLyuhlPgGLR59iA</recordid><startdate>200910</startdate><enddate>200910</enddate><creator>Roy, A.G.</creator><creator>Ming Mao</creator><creator>Pakala, M.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7QF</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>200910</creationdate><title>Effect of Substrate and Surface Conditioning on Magnetic Properties and Texture of CoPt Hard Bias Films</title><author>Roy, A.G. ; Ming Mao ; Pakala, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c277t-c0b33334c14bc15e62be8ce0207ec9d9098e2402d28858b1a6e39f1399d040683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Amorphous magnetic materials</topic><topic>Bias</topic><topic>Cobalt base alloys</topic><topic>Cobalt compounds</topic><topic>Coercive force</topic><topic>Coercivity</topic><topic>Conditioning</topic><topic>CoPt</topic><topic>Crystallography</topic><topic>Deposition</topic><topic>hard bias</topic><topic>inplane c -axis orientation</topic><topic>Intermetallics</topic><topic>Magnetic films</topic><topic>Magnetic materials</topic><topic>Magnetic properties</topic><topic>Magnetic sensors</topic><topic>Magnetism</topic><topic>Platinum compounds</topic><topic>read sensor</topic><topic>squareness</topic><topic>substrate</topic><topic>Substrates</topic><topic>surface conditioning</topic><topic>Surface texture</topic><topic>Texture</topic><topic>X-ray scattering</topic><toplevel>online_resources</toplevel><creatorcontrib>Roy, A.G.</creatorcontrib><creatorcontrib>Ming Mao</creatorcontrib><creatorcontrib>Pakala, M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Aluminium Industry Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Roy, A.G.</au><au>Ming Mao</au><au>Pakala, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Substrate and Surface Conditioning on Magnetic Properties and Texture of CoPt Hard Bias Films</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2009-10</date><risdate>2009</risdate><volume>45</volume><issue>10</issue><spage>4424</spage><epage>4426</epage><pages>4424-4426</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>Effect of growth surface on CoPt hard bias film performance has been systematically studied using different substrates and substrate surface conditioning. Films deposited on four different types of substrates show different levels of crystallographic quality and magnetic performance. Among them, the films deposited on Al 2 O 3 -coated substrates are the best, up to 400 Oe higher in coercivity and 0.05 higher in remnant squareness. Proper substrate surface conditioning by ion-beam depositions has been found to be effective in improving inplace c -axis orientation; hence, magnetic properties of CoPt hard bias films. In addition, the deposition of a thin amorphous Al 2 O 3 film on substrates prior to the hard bias film deposition helps to promote nearly 100% inplane c -axis crystallographic orientation.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMAG.2009.2023074</doi><tpages>3</tpages></addata></record> |
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| subjects | Amorphous magnetic materials Bias Cobalt base alloys Cobalt compounds Coercive force Coercivity Conditioning CoPt Crystallography Deposition hard bias inplane c -axis orientation Intermetallics Magnetic films Magnetic materials Magnetic properties Magnetic sensors Magnetism Platinum compounds read sensor squareness substrate Substrates surface conditioning Surface texture Texture X-ray scattering |
| title | Effect of Substrate and Surface Conditioning on Magnetic Properties and Texture of CoPt Hard Bias Films |
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