A Novel Approach of Carbon Embedding in Magnetic Media for Future Head/Disk Interface
A novel method of carbon embedding (≤1 nm) is used as a surface modification technique to produce overcoat free media surfaces. The filtered cathodic vacuum arc technique at ion energy of 90 eV is used to embed carbon in the top surface of a ~25 nm iron/platinum (FePt) film. Transport of ions in mat...
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| Veröffentlicht in: | IEEE transactions on magnetics 2012-05, Vol.48 (5), p.1807-1812 |
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| container_end_page | 1812 |
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| container_issue | 5 |
| container_start_page | 1807 |
| container_title | IEEE transactions on magnetics |
| container_volume | 48 |
| creator | Abdul Samad, Mohammed Xiong, Shaomin Pan, Liang Yang, Hyunsoo Sinha, Sujeet Kumar Bogy, David B. Bhatia, Charanjit Singh |
| description | A novel method of carbon embedding (≤1 nm) is used as a surface modification technique to produce overcoat free media surfaces. The filtered cathodic vacuum arc technique at ion energy of 90 eV is used to embed carbon in the top surface of a ~25 nm iron/platinum (FePt) film. Transport of ions in matter (TRIM) simulations and X-ray photoelectron spectroscopy (XPS) are used to study carbon embedding profiles and surface chemical composition. XPS results show that carbon embedding is effective in improving the oxidation resistance of FePt. Conductive atomic force microscopy (CAFM) is done on samples after exposure to a 780 nm IR laser with an effective output power of 40 mW to study the thermal stability. No change in the conductivity is observed in the case of carbon embedded FePt surface. Ball-on-disk tribological tests are conducted at a contact pressure of 0.26 GPa on bare and modified FePt surfaces. It is observed that the coefficient of friction is reduced considerably from a value of approximately 0.8 to ~0.27 after the surface modification. |
| doi_str_mv | 10.1109/TMAG.2011.2170826 |
| format | Article |
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The filtered cathodic vacuum arc technique at ion energy of 90 eV is used to embed carbon in the top surface of a ~25 nm iron/platinum (FePt) film. Transport of ions in matter (TRIM) simulations and X-ray photoelectron spectroscopy (XPS) are used to study carbon embedding profiles and surface chemical composition. XPS results show that carbon embedding is effective in improving the oxidation resistance of FePt. Conductive atomic force microscopy (CAFM) is done on samples after exposure to a 780 nm IR laser with an effective output power of 40 mW to study the thermal stability. No change in the conductivity is observed in the case of carbon embedded FePt surface. Ball-on-disk tribological tests are conducted at a contact pressure of 0.26 GPa on bare and modified FePt surfaces. 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The filtered cathodic vacuum arc technique at ion energy of 90 eV is used to embed carbon in the top surface of a ~25 nm iron/platinum (FePt) film. Transport of ions in matter (TRIM) simulations and X-ray photoelectron spectroscopy (XPS) are used to study carbon embedding profiles and surface chemical composition. XPS results show that carbon embedding is effective in improving the oxidation resistance of FePt. Conductive atomic force microscopy (CAFM) is done on samples after exposure to a 780 nm IR laser with an effective output power of 40 mW to study the thermal stability. No change in the conductivity is observed in the case of carbon embedded FePt surface. Ball-on-disk tribological tests are conducted at a contact pressure of 0.26 GPa on bare and modified FePt surfaces. It is observed that the coefficient of friction is reduced considerably from a value of approximately 0.8 to ~0.27 after the surface modification.</description><subject>Carbon</subject><subject>Carbon embedding</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>FCVA</subject><subject>FePt</subject><subject>Iron</subject><subject>Laser stability</subject><subject>magnetic media</subject><subject>Materials science</subject><subject>Media</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>Surface resistance</subject><subject>Surface topography</subject><subject>Thermal stability</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kD1vwjAQQK2qlUppf0DVxUvHgM-J43iMKF8StAvMkeOcqVtIIjtU4t-XCMR0Ot17NzxCXoGNAJgab9b5fMQZwIiDZBlP78gAVAIRY6m6JwPGIItUkiaP5CmEn_OaCGADss3pZ_OHe5q3rW-0-aaNpRPty6am00OJVeXqHXU1XetdjZ0zdI2V09Q2ns6O3dEjXaCuxh8u_NJl3aG32uAzebB6H_DlOodkO5tuJoto9TVfTvJVZLgSXcQrVWZcSgFgykxbMAnKTCkVpwmroDQcpeUJ9JyIhUIhsTIiFaUsUaKIhwQuf41vQvBoi9a7g_anAljRdyn6LkXfpbh2OTvvF6fVwei99bo2LtxELhSAknDm3i6cQ8TbOYVMyozH_00kamQ</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Abdul Samad, Mohammed</creator><creator>Xiong, Shaomin</creator><creator>Pan, Liang</creator><creator>Yang, Hyunsoo</creator><creator>Sinha, Sujeet Kumar</creator><creator>Bogy, David B.</creator><creator>Bhatia, Charanjit Singh</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20120501</creationdate><title>A Novel Approach of Carbon Embedding in Magnetic Media for Future Head/Disk Interface</title><author>Abdul Samad, Mohammed ; Xiong, Shaomin ; Pan, Liang ; Yang, Hyunsoo ; Sinha, Sujeet Kumar ; Bogy, David B. ; Bhatia, Charanjit Singh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c295t-2d9b8277511cb8af1c4e789993640d1bc2e7f2412d9b5359e57edc565b7be7e53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Carbon</topic><topic>Carbon embedding</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>FCVA</topic><topic>FePt</topic><topic>Iron</topic><topic>Laser stability</topic><topic>magnetic media</topic><topic>Materials science</topic><topic>Media</topic><topic>Other topics in materials science</topic><topic>Physics</topic><topic>Surface resistance</topic><topic>Surface topography</topic><topic>Thermal stability</topic><toplevel>online_resources</toplevel><creatorcontrib>Abdul Samad, Mohammed</creatorcontrib><creatorcontrib>Xiong, Shaomin</creatorcontrib><creatorcontrib>Pan, Liang</creatorcontrib><creatorcontrib>Yang, Hyunsoo</creatorcontrib><creatorcontrib>Sinha, Sujeet Kumar</creatorcontrib><creatorcontrib>Bogy, David B.</creatorcontrib><creatorcontrib>Bhatia, Charanjit Singh</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>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Abdul Samad, Mohammed</au><au>Xiong, Shaomin</au><au>Pan, Liang</au><au>Yang, Hyunsoo</au><au>Sinha, Sujeet Kumar</au><au>Bogy, David B.</au><au>Bhatia, Charanjit Singh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Novel Approach of Carbon Embedding in Magnetic Media for Future Head/Disk Interface</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2012-05-01</date><risdate>2012</risdate><volume>48</volume><issue>5</issue><spage>1807</spage><epage>1812</epage><pages>1807-1812</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>A novel method of carbon embedding (≤1 nm) is used as a surface modification technique to produce overcoat free media surfaces. The filtered cathodic vacuum arc technique at ion energy of 90 eV is used to embed carbon in the top surface of a ~25 nm iron/platinum (FePt) film. Transport of ions in matter (TRIM) simulations and X-ray photoelectron spectroscopy (XPS) are used to study carbon embedding profiles and surface chemical composition. XPS results show that carbon embedding is effective in improving the oxidation resistance of FePt. Conductive atomic force microscopy (CAFM) is done on samples after exposure to a 780 nm IR laser with an effective output power of 40 mW to study the thermal stability. No change in the conductivity is observed in the case of carbon embedded FePt surface. Ball-on-disk tribological tests are conducted at a contact pressure of 0.26 GPa on bare and modified FePt surfaces. It is observed that the coefficient of friction is reduced considerably from a value of approximately 0.8 to ~0.27 after the surface modification.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2011.2170826</doi><tpages>6</tpages></addata></record> |
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| subjects | Carbon Carbon embedding Cross-disciplinary physics: materials science rheology Exact sciences and technology FCVA FePt Iron Laser stability magnetic media Materials science Media Other topics in materials science Physics Surface resistance Surface topography Thermal stability |
| title | A Novel Approach of Carbon Embedding in Magnetic Media for Future Head/Disk Interface |
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