{"id":"https://openalex.org/W4383753692","doi":"https://doi.org/10.1109/tmag.2023.3293784","title":"Mode Hopping Impact on NFT Protrusion Measurement in HAMR","display_name":"Mode Hopping Impact on NFT Protrusion Measurement in HAMR","publication_year":2023,"publication_date":"2023-07-10","ids":{"openalex":"https://openalex.org/W4383753692","doi":"https://doi.org/10.1109/tmag.2023.3293784"},"language":"en","primary_location":{"id":"doi:10.1109/tmag.2023.3293784","doi":"https://doi.org/10.1109/tmag.2023.3293784","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/tmag.2023.3293784","pdf_url":null,"source":{"id":"https://openalex.org/S50523690","display_name":"IEEE Transactions on Magnetics","issn_l":"0018-9464","issn":["0018-9464","1941-0069"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320755","host_organization_name":"IEEE Magnetics Society","host_organization_lineage":["https://openalex.org/P4310320755","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Magnetics Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Magnetics","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5092438491","display_name":"Aiko Sakoguchi","orcid":"https://orcid.org/0009-0002-2118-3507","observed_orcids":["https://orcid.org/0009-0002-2118-3507"]},"institutions":[{"id":"https://openalex.org/I118271192","display_name":"Western Digital (Japan)","ror":"https://ror.org/0521k5n17","country_code":"JP","type":"company","lineage":["https://openalex.org/I118271192","https://openalex.org/I4210121352"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Aiko Sakoguchi","raw_affiliation_strings":["Western Digital Technologies GK, Fujisawa, Japan"],"raw_orcid":"https://orcid.org/0009-0002-2118-3507","affiliations":[{"raw_affiliation_string":"Western Digital Technologies GK, Fujisawa, Japan","institution_ids":["https://openalex.org/I118271192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109260037","display_name":"Masaru Furukawa","orcid":"https://orcid.org/0009-0002-0041-3596","observed_orcids":["https://orcid.org/0009-0002-0041-3596"]},"institutions":[{"id":"https://openalex.org/I118271192","display_name":"Western Digital (Japan)","ror":"https://ror.org/0521k5n17","country_code":"JP","type":"company","lineage":["https://openalex.org/I118271192","https://openalex.org/I4210121352"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaru Furukawa","raw_affiliation_strings":["Western Digital Technologies GK, Fujisawa, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western Digital Technologies GK, Fujisawa, Japan","institution_ids":["https://openalex.org/I118271192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036024934","display_name":"Shuji Nishida","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I118271192","display_name":"Western Digital (Japan)","ror":"https://ror.org/0521k5n17","country_code":"JP","type":"company","lineage":["https://openalex.org/I118271192","https://openalex.org/I4210121352"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuji Nishida","raw_affiliation_strings":["Western Digital Technologies GK, Fujisawa, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western Digital Technologies GK, Fujisawa, Japan","institution_ids":["https://openalex.org/I118271192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092438492","display_name":"Ryo Nishikura","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I118271192","display_name":"Western Digital (Japan)","ror":"https://ror.org/0521k5n17","country_code":"JP","type":"company","lineage":["https://openalex.org/I118271192","https://openalex.org/I4210121352"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ryo Nishikura","raw_affiliation_strings":["Western Digital Technologies GK, Fujisawa, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western Digital Technologies GK, Fujisawa, Japan","institution_ids":["https://openalex.org/I118271192"]}]},{"author_position":"last","author":{"id":null,"display_name":"Kenji Tasaka","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I118271192","display_name":"Western Digital (Japan)","ror":"https://ror.org/0521k5n17","country_code":"JP","type":"company","lineage":["https://openalex.org/I118271192","https://openalex.org/I4210121352"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kenji Tasaka","raw_affiliation_strings":["Western Digital Technologies GK, Fujisawa, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Western Digital Technologies GK, Fujisawa, Japan","institution_ids":["https://openalex.org/I118271192"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I118271192"],"apc_list":{"value":2345,"currency":"USD","value_usd":2345},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"59","issue":"11","first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.4553000032901764,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11181","display_name":"Advanced Data Storage Technologies","score":0.4553000032901764,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10049","display_name":"Magnetic properties of thin films","score":0.36079999804496765,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11315","display_name":"Phase-change materials and chalcogenides","score":0.035599999129772186,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/heat-assisted-magnetic-recording","display_name":"heat-assisted magnetic recording","score":0.9300000071525574}],"concepts":[{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.7908636331558228},{"id":"https://openalex.org/C2776578331","wikidata":"https://www.wikidata.org/wiki/Q1592494","display_name":"Heat-assisted magnetic recording","level":3,"score":0.7043301463127136},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.5876514911651611},{"id":"https://openalex.org/C520434653","wikidata":"https://www.wikidata.org/wiki/Q38867","display_name":"Laser","level":2,"score":0.571903645992279},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.517605185508728},{"id":"https://openalex.org/C56318395","wikidata":"https://www.wikidata.org/wiki/Q215928","display_name":"Transducer","level":2,"score":0.5095875263214111},{"id":"https://openalex.org/C2781345722","wikidata":"https://www.wikidata.org/wiki/Q5308388","display_name":"Drop (telecommunication)","level":2,"score":0.5014584064483643},{"id":"https://openalex.org/C2779760598","wikidata":"https://www.wikidata.org/wiki/Q1017053","display_name":"Burst mode (computing)","level":2,"score":0.5009255409240723},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.45866265892982483},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4504566490650177},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.25807905197143555},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.2259632647037506},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1850464940071106},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.18466466665267944},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmag.2023.3293784","doi":"https://doi.org/10.1109/tmag.2023.3293784","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/tmag.2023.3293784","pdf_url":null,"source":{"id":"https://openalex.org/S50523690","display_name":"IEEE Transactions on Magnetics","issn_l":"0018-9464","issn":["0018-9464","1941-0069"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320755","host_organization_name":"IEEE Magnetics Society","host_organization_lineage":["https://openalex.org/P4310320755","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Magnetics Society","Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Magnetics","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1977246410","https://openalex.org/W2001753026","https://openalex.org/W2014603260","https://openalex.org/W2030765756","https://openalex.org/W2061119024","https://openalex.org/W2069920519","https://openalex.org/W2080536936","https://openalex.org/W2122508091","https://openalex.org/W2138452154","https://openalex.org/W2152336219","https://openalex.org/W2240799247","https://openalex.org/W2809217761","https://openalex.org/W4232177703"],"related_works":["https://openalex.org/W2001753026","https://openalex.org/W2552114596","https://openalex.org/W2809217761","https://openalex.org/W2240799247","https://openalex.org/W3092836499","https://openalex.org/W2889964974","https://openalex.org/W2248430427","https://openalex.org/W2804964187","https://openalex.org/W2523662995","https://openalex.org/W7220863101"],"abstract_inverted_index":{"In":[0,112],"terms":[1],"of":[2,79,139,220,240],"head":[3,29,165],"media":[4,167],"spacing":[5,163],"(HMS)":[6],"control":[7,123],"in":[8,21,27,46,95,105,129,142,181,217,255],"heat-assisted":[9],"magnetic":[10],"recording":[11],"(HAMR),":[12],"it":[13,63,185],"is":[14,43,61,64,77,99,109,116,127,146,235],"important":[15],"to":[16,33,51,66,286],"measure":[17,67],"laser":[18,41,208,233],"power-induced":[19],"protrusion":[20,53,59,85,108,151,188,263,283],"writing.":[22,258],"A":[23],"near-field":[24],"transducer":[25],"(NFT)":[26],"the":[28,34,40,47,57,80,97,113,119,130,149,158,192,238,252,280],"provides":[30],"confined":[31],"heat":[32,37],"media.":[35],"However,":[36,170],"generated":[38],"by":[39,68,118,224,250,265,278],"diode":[42],"partially":[44],"absorbed":[45],"NFT,":[48],"which":[49,96,106,126,201],"leads":[50],"localized":[52],"(NFT":[54],"protrusion).":[55],"Since":[56,214],"NFT":[58,84,98,107,150,187,203,262,282],"area":[60],"narrow,":[62],"difficult":[65],"conventional":[69,276],"touch":[70],"down-based":[71],"methods.":[72],"Burst":[73],"writing":[74,91,94,104,144,222,243],"scheme":[75],"(BWS)":[76],"one":[78,218,260],"proposed":[81],"methods":[82],"for":[83,148,171,237],"measurements.":[86],"The":[87,132],"BWS":[88],"implements":[89],"two":[90],"modes,":[92],"steady-state":[93,172,242,257],"fully":[100],"protruded":[101],"and":[102,166,184,197],"burst":[103],"quite":[110],"small.":[111],"BWS,":[114],"HMS":[115],"swept":[117],"thermal":[120,198],"fly":[121],"height":[122],"(TFC)":[124],"heater,":[125],"embedded":[128],"head.":[131],"readback":[133,175,195,215],"amplitude":[134,154,176,196,212,216,229,248,253,287],"curve":[135],"as":[136,157,270,272],"a":[137],"function":[138],"TFC":[140,159],"power":[141,160],"each":[143],"mode":[145,209,226],"used":[147],"calculation.":[152],"Readback":[153],"usually":[155],"increases":[156],"increase":[161],"when":[162],"between":[164,194],"gets":[168],"closer.":[169],"writing,":[173],"unintentional":[174],"drop":[177,249],"has":[178],"been":[179],"observed":[180],"some":[182],"heads":[183],"affects":[186],"results":[189],"directly.":[190],"From":[191],"relation":[193],"sensor":[199],"output,":[200],"reflects":[202],"temperature,":[204],"we":[205],"found":[206],"that":[207,230],"hopping":[210],"causes":[211],"drop.":[213,288],"revolution":[219],"continuous":[221,256],"varies":[223],"several":[225,232],"hopping,":[227],"average":[228,254],"contains":[231],"modes":[234],"effective":[236],"plotting":[239],"stable":[241],"curve.":[244],"We":[245],"successfully":[246],"mitigated":[247],"using":[251],"As":[259],"example,":[261],"measured":[264,274],"this":[266],"method":[267,277],"was":[268],"twice":[269],"large":[271],"those":[273],"with":[275],"avoiding":[279],"small":[281],"estimation":[284],"due":[285]},"counts_by_year":[],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2023-07-11T00:00:00"}