Fabrication of FePt/FePt-BN/FePt-SiOx Granular Film for HAMR Media on Corning Lotus NXT Glass Substrate
In this article, we present the fabrication of FePt/FePt-BN/FePt-SiO x and conventional FePt/FePt-C for heat-assisted magnetic recording (HAMR) on Corning Lotus NXT glass substrates. For FePt/FePt-BN/FePt-SiO x media, a 2.5 nm FePt/FePt-35vol.%BN was fabricated on polycrystalline MgO underlayers at...
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| Veröffentlicht in: | IEEE transactions on magnetics 2022-02, Vol.58 (2), p.1-5 |
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| container_title | IEEE transactions on magnetics |
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| creator | Zhou, Bing Varaprasad, B. S. D. C. S. Xu, Chengchao Huang, Ming-Huang Laughlin, David E. Zhu, Jian-Gang |
| description | In this article, we present the fabrication of FePt/FePt-BN/FePt-SiO x and conventional FePt/FePt-C for heat-assisted magnetic recording (HAMR) on Corning Lotus NXT glass substrates. For FePt/FePt-BN/FePt-SiO x media, a 2.5 nm FePt/FePt-35vol.%BN was fabricated on polycrystalline MgO underlayers at 700 °C to serve as the templated layer for the growth of 4 nm FePt-35vol.%SiO x at 550 °C. For the FePt/FePt-C media, 6.5 nm FePt/FePt-C media was fabricated at 550 °C with FePt and C co-sputtered on top of 0.5 nm FePt. Both media show well-isolated FePt grains, which are fully surrounded by the grain boundaries materials. Compared with FePt/FePt-C media, the FePt/FePt-BN/FePt-SiO x media show distinctively smaller grain-to-grain pitch distance or higher grain areal density. Moreover, the bimodal grain-size distribution that is often observed in FePt/FePt-C media has been suppressed in the FePt/FePt-BN/FePt-SiO x media. In addition, both media show good magnetic properties on Corning Lotus NXT glass substrate. |
| doi_str_mv | 10.1109/TMAG.2021.3082920 |
| format | Article |
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S. D. C. S. ; Xu, Chengchao ; Huang, Ming-Huang ; Laughlin, David E. ; Zhu, Jian-Gang</creator><creatorcontrib>Zhou, Bing ; Varaprasad, B. S. D. C. S. ; Xu, Chengchao ; Huang, Ming-Huang ; Laughlin, David E. ; Zhu, Jian-Gang</creatorcontrib><description>In this article, we present the fabrication of FePt/FePt-BN/FePt-SiO x and conventional FePt/FePt-C for heat-assisted magnetic recording (HAMR) on Corning Lotus NXT glass substrates. For FePt/FePt-BN/FePt-SiO x media, a 2.5 nm FePt/FePt-35vol.%BN was fabricated on polycrystalline MgO underlayers at 700 °C to serve as the templated layer for the growth of 4 nm FePt-35vol.%SiO x at 550 °C. For the FePt/FePt-C media, 6.5 nm FePt/FePt-C media was fabricated at 550 °C with FePt and C co-sputtered on top of 0.5 nm FePt. Both media show well-isolated FePt grains, which are fully surrounded by the grain boundaries materials. Compared with FePt/FePt-C media, the FePt/FePt-BN/FePt-SiO x media show distinctively smaller grain-to-grain pitch distance or higher grain areal density. Moreover, the bimodal grain-size distribution that is often observed in FePt/FePt-C media has been suppressed in the FePt/FePt-BN/FePt-SiO x media. In addition, both media show good magnetic properties on Corning Lotus NXT glass substrate.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2021.3082920</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Boron nitride (BN) ; FePt:X media ; Glass ; Glass substrates ; Grain boundaries ; Grain size ; Grain size distribution ; Heat-assisted magnetic recording ; Intermetallic compounds ; Iron compounds ; Magnetic properties ; Magnetic recording ; Magnetism ; Media ; Microstructure ; Platinum compounds ; segregant material ; Substrates</subject><ispartof>IEEE transactions on magnetics, 2022-02, Vol.58 (2), p.1-5</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2022</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-3702-2196 ; 0000-0003-0619-2229</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9439521$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9439521$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Zhou, Bing</creatorcontrib><creatorcontrib>Varaprasad, B. S. D. C. 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Both media show well-isolated FePt grains, which are fully surrounded by the grain boundaries materials. Compared with FePt/FePt-C media, the FePt/FePt-BN/FePt-SiO x media show distinctively smaller grain-to-grain pitch distance or higher grain areal density. Moreover, the bimodal grain-size distribution that is often observed in FePt/FePt-C media has been suppressed in the FePt/FePt-BN/FePt-SiO x media. In addition, both media show good magnetic properties on Corning Lotus NXT glass substrate.</description><subject>Boron nitride (BN)</subject><subject>FePt:X media</subject><subject>Glass</subject><subject>Glass substrates</subject><subject>Grain boundaries</subject><subject>Grain size</subject><subject>Grain size distribution</subject><subject>Heat-assisted magnetic recording</subject><subject>Intermetallic compounds</subject><subject>Iron compounds</subject><subject>Magnetic properties</subject><subject>Magnetic recording</subject><subject>Magnetism</subject><subject>Media</subject><subject>Microstructure</subject><subject>Platinum compounds</subject><subject>segregant material</subject><subject>Substrates</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNotjU1Lw0AYhBdRsFZ_gHhZ8Jz23Y-k2WMsJhX6IbaCt_Am2ZQtaVJ3N6D_3pR6mWHgmRlCHhlMGAM13a2SbMKBs4mAmCsOV2TElGQBQKSuyQiAxYGSkbwld84dhihDBiOyT7GwpkRvupZ2NU31u5-eJXhZX3xrNj80s9j2DVqamuZI687SRbL6oCtdGaRDc97Z1rR7uux87-j6a0ezBp2j275w3qLX9-Smxsbph38fk8_0dTdfBMtN9jZPloHhIHygCg4y1NVMaGSc64gzERVhwWKEEqtKylJHFQIWUnEOxUzWYQ1lGSkspY6ZGJPny-7Jdt-9dj4_dL1th8ucD2MxiEicqacLZbTW-cmaI9rfXEmhwuHwD3_ZYCc</recordid><startdate>20220201</startdate><enddate>20220201</enddate><creator>Zhou, Bing</creator><creator>Varaprasad, B. S. D. C. S.</creator><creator>Xu, Chengchao</creator><creator>Huang, Ming-Huang</creator><creator>Laughlin, David E.</creator><creator>Zhu, Jian-Gang</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>7SP</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-3702-2196</orcidid><orcidid>https://orcid.org/0000-0003-0619-2229</orcidid></search><sort><creationdate>20220201</creationdate><title>Fabrication of FePt/FePt-BN/FePt-SiOx Granular Film for HAMR Media on Corning Lotus NXT Glass Substrate</title><author>Zhou, Bing ; Varaprasad, B. S. D. C. S. ; Xu, Chengchao ; Huang, Ming-Huang ; Laughlin, David E. ; Zhu, Jian-Gang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i203t-9b2045ed73ea122e62136b5b18a0cadd44ce6da0ab49220b74f5f0cc69ac4e813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Boron nitride (BN)</topic><topic>FePt:X media</topic><topic>Glass</topic><topic>Glass substrates</topic><topic>Grain boundaries</topic><topic>Grain size</topic><topic>Grain size distribution</topic><topic>Heat-assisted magnetic recording</topic><topic>Intermetallic compounds</topic><topic>Iron compounds</topic><topic>Magnetic properties</topic><topic>Magnetic recording</topic><topic>Magnetism</topic><topic>Media</topic><topic>Microstructure</topic><topic>Platinum compounds</topic><topic>segregant material</topic><topic>Substrates</topic><toplevel>online_resources</toplevel><creatorcontrib>Zhou, Bing</creatorcontrib><creatorcontrib>Varaprasad, B. S. D. C. S.</creatorcontrib><creatorcontrib>Xu, Chengchao</creatorcontrib><creatorcontrib>Huang, Ming-Huang</creatorcontrib><creatorcontrib>Laughlin, David E.</creatorcontrib><creatorcontrib>Zhu, Jian-Gang</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>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><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zhou, Bing</au><au>Varaprasad, B. S. D. C. S.</au><au>Xu, Chengchao</au><au>Huang, Ming-Huang</au><au>Laughlin, David E.</au><au>Zhu, Jian-Gang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication of FePt/FePt-BN/FePt-SiOx Granular Film for HAMR Media on Corning Lotus NXT Glass Substrate</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2022-02-01</date><risdate>2022</risdate><volume>58</volume><issue>2</issue><spage>1</spage><epage>5</epage><pages>1-5</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>In this article, we present the fabrication of FePt/FePt-BN/FePt-SiO x and conventional FePt/FePt-C for heat-assisted magnetic recording (HAMR) on Corning Lotus NXT glass substrates. For FePt/FePt-BN/FePt-SiO x media, a 2.5 nm FePt/FePt-35vol.%BN was fabricated on polycrystalline MgO underlayers at 700 °C to serve as the templated layer for the growth of 4 nm FePt-35vol.%SiO x at 550 °C. For the FePt/FePt-C media, 6.5 nm FePt/FePt-C media was fabricated at 550 °C with FePt and C co-sputtered on top of 0.5 nm FePt. Both media show well-isolated FePt grains, which are fully surrounded by the grain boundaries materials. Compared with FePt/FePt-C media, the FePt/FePt-BN/FePt-SiO x media show distinctively smaller grain-to-grain pitch distance or higher grain areal density. Moreover, the bimodal grain-size distribution that is often observed in FePt/FePt-C media has been suppressed in the FePt/FePt-BN/FePt-SiO x media. In addition, both media show good magnetic properties on Corning Lotus NXT glass substrate.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMAG.2021.3082920</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-3702-2196</orcidid><orcidid>https://orcid.org/0000-0003-0619-2229</orcidid></addata></record> |
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| subjects | Boron nitride (BN) FePt:X media Glass Glass substrates Grain boundaries Grain size Grain size distribution Heat-assisted magnetic recording Intermetallic compounds Iron compounds Magnetic properties Magnetic recording Magnetism Media Microstructure Platinum compounds segregant material Substrates |
| title | Fabrication of FePt/FePt-BN/FePt-SiOx Granular Film for HAMR Media on Corning Lotus NXT Glass Substrate |
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