Kinetic Monte Carlo Simulations of M\!\!-\!\!H Loops for HAMR Recording Media: Comparison With MOKE Data
Our previously developed kinetic Monte Carlo algorithm is used to simulate M-H loops of high anisotropy magnetic recording media at long time scales relevant to the experimental measurements using the magneto-optic Kerr effect. Micromagnetic parameters are fit to loop data taken at 300 K and at a sw...
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Veröffentlicht in: | IEEE transactions on magnetics 2014-03, Vol.50 (3), p.22-26 |
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creator | Plumer, Martin L. Fal, Timothy J. Mercer, Jason I. Whitehead, John P. van Ek, Jan Ajan, Antony |
description | Our previously developed kinetic Monte Carlo algorithm is used to simulate M-H loops of high anisotropy magnetic recording media at long time scales relevant to the experimental measurements using the magneto-optic Kerr effect. Micromagnetic parameters are fit to loop data taken at 300 K and at a sweep rate of 700 Oe/s on a single-layer media developed for heat-assisted magnetic recording. Significantly different fitted parameters result from standard micromagnetic simulations that can access only sweep rates many orders of magnitude faster. Sensitivities of the loops to anisotropy, saturation magnetization, and various distributions are reported. |
doi_str_mv | 10.1109/TMAG.2013.2283659 |
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Micromagnetic parameters are fit to loop data taken at 300 K and at a sweep rate of 700 Oe/s on a single-layer media developed for heat-assisted magnetic recording. Significantly different fitted parameters result from standard micromagnetic simulations that can access only sweep rates many orders of magnitude faster. Sensitivities of the loops to anisotropy, saturation magnetization, and various distributions are reported.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2013.2283659</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Anisotropic magnetoresistance ; Anisotropy ; Computer simulation ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Grain size ; Heat-assisted magnetic recording ; Heat-assisted magnetic recording (HAMR) ; hysteresis loops ; Kerr effects ; kinetic MC (KMC) ; Magnetic anisotropy ; Magnetic recording ; Materials science ; Media ; Monte Carlo methods ; Other topics in materials science ; Physics ; Saturation (magnetic) ; Saturation magnetization</subject><ispartof>IEEE transactions on magnetics, 2014-03, Vol.50 (3), p.22-26</ispartof><rights>2015 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c328t-6ccd4feb6bde0e31eee6acd3235da4364f2b1fd4e32531e0233b49fd3df688fc3</citedby><cites>FETCH-LOGICAL-c328t-6ccd4feb6bde0e31eee6acd3235da4364f2b1fd4e32531e0233b49fd3df688fc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6612685$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6612685$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28495535$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Plumer, Martin L.</creatorcontrib><creatorcontrib>Fal, Timothy J.</creatorcontrib><creatorcontrib>Mercer, Jason I.</creatorcontrib><creatorcontrib>Whitehead, John P.</creatorcontrib><creatorcontrib>van Ek, Jan</creatorcontrib><creatorcontrib>Ajan, Antony</creatorcontrib><title>Kinetic Monte Carlo Simulations of M\!\!-\!\!H Loops for HAMR Recording Media: Comparison With MOKE Data</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>Our previously developed kinetic Monte Carlo algorithm is used to simulate M-H loops of high anisotropy magnetic recording media at long time scales relevant to the experimental measurements using the magneto-optic Kerr effect. Micromagnetic parameters are fit to loop data taken at 300 K and at a sweep rate of 700 Oe/s on a single-layer media developed for heat-assisted magnetic recording. Significantly different fitted parameters result from standard micromagnetic simulations that can access only sweep rates many orders of magnitude faster. Sensitivities of the loops to anisotropy, saturation magnetization, and various distributions are reported.</description><subject>Anisotropic magnetoresistance</subject><subject>Anisotropy</subject><subject>Computer simulation</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Grain size</subject><subject>Heat-assisted magnetic recording</subject><subject>Heat-assisted magnetic recording (HAMR)</subject><subject>hysteresis loops</subject><subject>Kerr effects</subject><subject>kinetic MC (KMC)</subject><subject>Magnetic anisotropy</subject><subject>Magnetic recording</subject><subject>Materials science</subject><subject>Media</subject><subject>Monte Carlo methods</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>Saturation (magnetic)</subject><subject>Saturation magnetization</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEtLw0AUhQdRsFZ_gLiZLgQ3qfPKNHFXYm2lDYVacVMI03nYkSQTZ9KF_96Ulm7u5XK-c-AeAO4xGmKM0ud1Pp4OCcJ0SEhCeZxegB5OGY4Q4ukl6CGEkyhlnF2DmxB-upPFGPXAbm5r3VoJc1e3GmbClw5-2Gpfita6OkBnYL4ZbAbRYczgwrkmQOM8nI3zFVxp6byy9TfMtbLiBWauaoS3wdXwy7Y7mC_nE_gqWnELrowog7477T74fJuss1m0WE7fs_EikpQkbcSlVMzoLd8qjTTFWmsupKKExkowypkhW2wU05TEnYoIpVuWGkWV4UliJO2Dp2Nu493vXoe2qGyQuixFrd0-FJiPRikljCUdio-o9C4Er03ReFsJ_1dgVBxaLQ6tFodWi1OrnefxFC-CFKXxopY2nI0kYWkc07jjHo6c7T44y5xjwpOY_gPO6n7b</recordid><startdate>20140301</startdate><enddate>20140301</enddate><creator>Plumer, Martin L.</creator><creator>Fal, Timothy J.</creator><creator>Mercer, Jason I.</creator><creator>Whitehead, John P.</creator><creator>van Ek, Jan</creator><creator>Ajan, Antony</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><scope>7SP</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140301</creationdate><title>Kinetic Monte Carlo Simulations of M\!\!-\!\!H Loops for HAMR Recording Media: Comparison With MOKE Data</title><author>Plumer, Martin L. ; 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Micromagnetic parameters are fit to loop data taken at 300 K and at a sweep rate of 700 Oe/s on a single-layer media developed for heat-assisted magnetic recording. Significantly different fitted parameters result from standard micromagnetic simulations that can access only sweep rates many orders of magnitude faster. Sensitivities of the loops to anisotropy, saturation magnetization, and various distributions are reported.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2013.2283659</doi><tpages>5</tpages></addata></record> |
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subjects | Anisotropic magnetoresistance Anisotropy Computer simulation Cross-disciplinary physics: materials science rheology Exact sciences and technology Grain size Heat-assisted magnetic recording Heat-assisted magnetic recording (HAMR) hysteresis loops Kerr effects kinetic MC (KMC) Magnetic anisotropy Magnetic recording Materials science Media Monte Carlo methods Other topics in materials science Physics Saturation (magnetic) Saturation magnetization |
title | Kinetic Monte Carlo Simulations of M\!\!-\!\!H Loops for HAMR Recording Media: Comparison With MOKE Data |
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